solar powered catamaran yacht

The ZEN50 is a game changer. World’s first series production catamaran equipped with a wingsail, it defines a new distinctive class of its own, where genuine zero-emission meets high comfort and performance, limitlessly. 

Designed from scratch for ZEN Yachts by award-winning naval architect Julien Mélot , this full carbon catamaran is the ultimate essence of technology driven, high performance and luxurious, eco-friendly leisure yachting. 

The blue water capable ZEN50 lightweight racing carbon hulls are combined with a huge solar roof for an unrivaled solar power vs. displacement ratio above 1:1 (18 kW / 17 tonnes), making this yacht completely energy self-sufficient. A revolutionary, fully automated, wingsail - by Ayro© - can be added as a range and speed extender. The yacht’s high capacity battery bank powers a powerful silent electric propulsion, allowing the ZEN50 to achieve 14 knots and maintain high continuous speeds in unrivaled safety and comfort, indefinitely… 

The ZEN50 is offered with or without wingsail and comes in 3 main different versions: Racer, Cruiser and Explorer, each dedicated to a different usage and owner profile. We use these versions as a basis to define a final, bespoke specification for each of our valued clients and ZEN Community Members. Scroll down for more details, specifications and prices.

1st WINGSAIL series production yacht in the world!

The OceanWings32 - by Ayro© - was initially developed for Team Oracle, for the America’s Cup 2010 in Valencia. Over years, it has further been developed and automated by VPLP and was installed on Energy Observer in 2019. Two years of field feedback have allowed the Ayro team to fine tune the algorithm commanding the wingsail. The ZEN50 is the first series production leisure craft to be equipped with this fully automated wingsail. It is controlled at the touch of a finger on screens, is automatically adjusted and has several safety modes and features. The two parts of the wingsail can be hoisted and lowered independently and with the simple touch of a button. The wingsail OceanWings32 is the ideal complement for the solar roof for those wishing to cruise long distances off-shore with zero-emissions.

Greatest ratio SOLAR POWER / weight on the market

At 17 tonnes lightweight and 18,000 W of peak solar power, the ratio of the ZEN50 is at over 1 kW per displaced tonne of water or beyond 1:1 which is far beyond any other blue water CE Cat A yacht in this size range. Lots of solar power for little water to displace is the strong and healthy foundation the energy self-sufficient ZEN50 is built upon.

Performance CARBON sandwich hulls

The hulls of the ZEN50 have been designed from a blank screen for ultimate efficiency - understand minimum drag or minimal energy consumption for a range of speeds from 6 to 10 knots. Their shape is aggressive, sharp and slender. Their reverse bows cut through water like a sword cuts through butter and their curvature is reminiscent of graceful dolphin bodies. These hulls are undoubtedly of the performance type and are built with the best available composites: Carbon fibre and Corecell™. The combination of high strength, low weight and performance design allow the ZEN50 to reach speeds of up to 14 knots.

INFINITE range at high CONTINUOUS speeds

With maximized solar and wind power and minimized energy consumption… the ZEN50 can sail continuously at speeds varying between 6 and 10 knots. Thorough simulations in various sea states and weather system have consistently shown the ZEN50 will be able to achieve performance catamaran speeds continuously without using a genset. With the ZEN50, the world is your oyster and the wildest destinations are within your reach with this self-reliant vessel!

True ZERO-EMISSION operation

The first ZEN50 unit, whose construction started in March 2023, will not be equipped with a genset at all and will not have any fossil fuels onboard. The ZEN50 energy system with its very large capacity 160 kWh battery bank, has been designed to function for days in complete safety with minimal solar energy harvest and no wind. It is perfectly safe with no backup genset and operates 24/7 without any polluting emissions.

NO FUEL , no costs

Naturally, requiring no fuel to operate day in day out is great news for the environment, it is also fantastic news when sailing into remote areas where fuel bunkering might be near impossible or where the fuel quality might be an issue. Finally, it also makes a massive difference in this yacht’s costs of operation. Imagine the hundreds of liters of diesel saved over just a week, the obsolete engine maintenance schedules, the clogged filters and dirty tanks from another age… Welcome to a new burden-free, energy self-sufficient era, welcome to clean and graceful eco-yachting, welcome to ZEN Yachts.

Highest SAFETY & reliability

At ZEN Yachts, we have made some design choices to attain energy self-reliance with the ZEN50 that reduces the habitable volume in the hulls, similar to performance catamarans. Where we have not and will never compromise is on safety. Our main voltage system is 48V making it perfectly safe to work on. The level of redundancy of the batteries and solar panels is 10! The main electrical architecture is split in 2 so that should anything happen on 1 hull, the entire vessel can still operate normally. There are 2 independent helm stations and the ZEN50 is packed with special safety features, nonsubmersible compartments and we can even offer an in-depth practical course on safety equipment usage and management. Sailing with the ZEN50 is not only exhilarating and clean, it is ultra safe!

Unrivaled space & COMFORT

The ZEN50 offers the speeds of a performance catamaran, the comfort of a large motor yacht and the simplicity of an electric car. No less than 2 large day beds, 3 dining areas for over 10 people, 1 professional galley and 2 wet kitchens, 5 heads, up to 4 double ensuite cabins, 1 bunk double and 1 single together with both saloon and dining areas converting into extra sleeping areas, this is simply unrivaled on a 50 ft. catamaran. Add an electric tender, dive compressor, satellite internet, 2 helm stations (cockpit and flybridge), a solar roof that converts into a gigantic upper deck to enjoy the most epic sunrises and sunsets, welcome onboard the ZEN50!

SPECIFICATIONS

Main particulars.

• Length Over All: 15.7m

• Beam: 8.4m

• Depth Molded: 2.7m at midship

• Displacement (light) : 17 T

• Draft (design): 1.3m (4.3ft) incl. keel

• Passenger Capacity: 12

• Berths: 12 (4 x double + 2 x single + saloon)

• Building Material: Carbon Fiber - Corecell™ composite

• Certification: CE Cat A - Unrestricted with 12 persons

Note: Some of the above figures may vary between versions

PROPULSION & ENERGY

• Propulsion: 2 x 50 kW brushless DC motors

• Main Battery Pack Capacity: 160 kWh Lithium

• Solar Roof Peak Power: 18 kWp

• Wingsail: Oceanwings® OWS 3.2 by Ayro©

• Backup Battery Pack Capacity (Nav/Com/Wing): 5 kWh Lithium

• Main System Voltage: 48V - Low voltage for total human safety

• Accommodation Voltage: 110V or 220V

SPEED & RANGE

• Max. Speed on e-motor only: 10 kn

• Max. Speed on e-motor & Wingsail: 14 kn

• Cruising Speed for continuous operation - solar only: 4.5 - 5 kn

• Cruising Speed for continuous operation - solar and wing: 6 - 10 kn

• Cruising Speed day time: 8 - 10 kn

• Range Over 24 h: 180+ nm

Note: These values may vary between versions and sea / weather conditions

EQUIPMENT INCLUDED - RACER VERSION

• Integrated power management system

• Solar power & energy storage system

• Electric propulsion system

• By-wire steering system

• Helm stations at cockpit & flybridge

• Galley counters, storage, sink, oven, stove, fridge, freezer

• 4 en suite heads with enclosed shower, toilet, sink & faucet (in each head)

• All cabin furniture (as shown in layouts)

• Aft deck fixed dining table and aft sofa with collapsible back rest (as shown in layouts)

• Fore deck day bed and lateral seats (as shown in layouts)

• Outdoor marine cork decking / indoor saloon natural bamboo decking

• All cushions In/Outdoor upholstered with Sunbrella® fabric

• 6 deck hatches

• 2 x 500 liter (2 x 132 gal) fresh water tanks

• 2 x 100 liter approx. (2 x 26 gal) fresh water tanks + 1 fresh water pump

• 2 x 350+ liter approx. (2 x 92 gal) holding tanks

• Railings, cleats and fore deck trampolines

• Mooring equipment: 33 kg Rocna® stainless steel anchor + 50 m stainless steel chain 10 mm + 150 m nylon rope + e-windlass

• Regulatory navigation equipment including navigation lights & mast

• 2 x chart plotter 16”; 2 x VHF with DSC button

• Regulatory Life Saving Appliances

• Critical spare parts kit

Note: The above equipment is for the Racer version. Cruiser & Explorer versions carry additional equipment

ZEN50 Solar Wingsail Electric Catamaran - Solar Roof Layout

ZEN50 Solar Wingsail Electric Catamaran - Flybridge Layout

ZEN50 Solar Wingsail Electric Catamaran - Main Deck Layout - Asymmetric D (subject to changes)

ZEN50 Solar Wingsail Electric Catamaran - Cabin Layout - Asymmetric D (subject to changes)

ZEN50 Solar Wingsail Electric Catamaran - Cabin Layout - Asymmetric E (subject to changes)

SOLAR & WINGSAIL

OCEAN RACER

Solar power & Wing, basic configuration, navigation, safety, fridge, etc.

EUR 2 150 000

WORLD CRUISER

Solar power & Wing, well equipped with A/C and water maker

EUR 2 400 000

ARCTIC EXPLORER

Solar power & Wing ultimate configuration with all available options

EUR 2 650 000

Solar power, basic configuration, navigation, safety, fridge, etc.

EUR 1 700 000

CONTINENTAL CRUISER

Solar power, well equipped configuration with A/C and water maker

EUR 1 900 000

TROPICAL EXPLORER

Solar power ultimate configuration with all available options

EUR 2 100 000

Ready to reserve your ZEN50?

Want more information .

The Best Solar Powered Catamarans (2023 UPDATE)

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Catamarans are incredible boats, and making one solar-powered really makes my little engineering brain go wild. In this article, I discuss some of the coolest solar-powered catamarans out there!

Here are three of the best solar-powered catamarans:

• Sunreef’s 80 Sunreef Power Eco Yacht
• Silent Yachts’ Silent 80
• Soel’s Senses 48

There are soo many variables that it’s tough to say one is better than the others. No matter which you board, you’re going to have a luxury experience. The benefit of these solar cats is that the experience can be had while maintaining a sustainable lifestyle and contributing to the betterment of the environment.

The diesel engine is dead, Long live electric power. Sort of…

Table of Contents

Solar Catamarans: Luxury Yachts

Before we look at each of these, let’s take a few paragraphs to talk about catamarans in general. First of all, when many people think of cats, they think of a relatively small craft barrelling across the water, one of its hulls in the air with a swashbuckling daredevil hanging off the side of it high above the water.

That’s not the kind of catamaran we’re talking about here. We are, instead, looking at yachts or cruising catamarans. These share one commonality with the other type of cat, and that’s the twin hulls. But that’s it. Cruising cats are slower, more stately boats. Also, on one of those little, quick ones, there’s not room for much of anything, and you won’t likely be doing any cooking or sleeping on it.

We’re also looking solely at solar-powered catamarans here, and although they have much in common with their diesel-drinking brethren, there are some key differences, which we’ll also address.

Perhaps the main difference (and one of the most significant selling points for a solar-powered catamaran) is the noise level. Gabo

Anyone who’s been on any boat with a combustion engine (diesel or petrol) on board has had to deal with the noise and smell.

But the drone (or roar, depending on the engine’s size and location) can be far from relaxing, which is one of the main reasons to get on a boat, off the mainland, and out to sea. Even if you’re marlin fishing—not the most peaceful undertaking man has ever attempted—you’re still out on the water and hope for some peace and quiet.

Eliminating that engine noise is a pretty big deal.

How Solar Catamarans Work

The biggest key to the success of the solar-powered yacht is not the solar panels – although those are great, as they look terrific and are well integrated into the ships. But the unsung hero here is the battery system.

Solar energy companies continue to perfect their industry. By making their solar batteries denser and denser, they create batteries that can store more solar power for more extended periods in smaller spaces.

And that brings us to an aspect you probably haven’t thought of:

Solar-powered yachts have more interior room because the battery system takes up less space than a conventional engine would.

Space customarily used by an engine room gets freed up for other uses.

Since most solar catamarans are nearly infinitely customizable, it’s hard to say what you might use that extra space for, but it’s available because of the solar power system.

The yachts have solar cells in all sorts of places, most notably on the roofs of the boats, but some companies build them in over large swaths of the hull, so they look as much like a design choice as a power source.

3 Best Solar-Powered Catamarans

Let’s be honest—if you’re dropping more than a couple of million dollars on a boat, two things are likely true: you have a lot of money, and you like nice things. All of the yachts listed here are lovely things, so it’s going to be hard to go wrong. 

As a result (and since these aren’t exactly accessible for test drives), it’s difficult to say which one of these is actually the best ; ergo, this list is in no particular order. They’re all glorious specimens.

Incidentally, where the price is listed, that number is an extremely general estimate. As these vessels are all entirely customizable and each choice below is available in different lengths and configurations, the cost can vary wildly.

To better understand what is a good price of a solar-powered cat, they should be compared to performance cruising catamarans or larger catamarans for families .

80 Sunreef Power Eco Yacht

This may be the most remarkable boat you’ll see for a long time. Sunreef has been in the yacht-building business since the turn of the millennium, winning awards along the way, and in the last few years, the company began work on its Eco line.

While there are shorter (and one longer) versions of this ship, the 80-footer (24.38 m) is pretty iconic. It offers electric motors to push it over the water and to do so with little noise, vibrations, and zero smell of fuel or exhaust.

As mentioned earlier, this is the yacht with solar cells pretty much all over it. They dot the sides of the hull and add to the overall look of the ship. With these cells and the panels on the roof, this yacht carries 200 square meters (2152 sq ft) of solar cells generating up to 40kWp (that’s 40 kilowatts peak, meaning under the best conditions, like on a bright, sunny day). Sunreef makes cats that run under sail, as well.

• Unlimited cruising
• No emissions
• Silent running
• Solar panels on the sides of the boat may not appeal to everyone
• Price: $8 million USD and up (new)

Silent Yachts has several versions of each of its catamarans. This eighty-footer (24m) is available in a loft or a classic version, but you get large spaces and incredible luxury no matter what you choose. The bathrooms alone on these things are pretty enough to live in.

Like Sunreef, Silent Yachts offers various lengths of these yachts, but they refer to the 80 as their flagship, and with good reason. Also with good reason, this yacht has been called “the Tesla of the seas.”

Three power options exist, each allowing higher maximum speeds for longer periods on the water than the last, but all three offer cruising speeds of up to 8 knots.

Its rooftop solar panels generate 26kWp of power . While that’s a significant step down from the comparable Sunreef vessel, the company claims unlimited range. Theoretically, it makes sense—solar power is even easier to come by on the open sea than on land, and with an endless supply, you ought to be able to cruise forever (as long as the sun shines).

All that power gets stored in batteries, and when it’s time to use it, the boat does so silently through its electric motors, on which Silent Yachts gives a lifetime warranty. While that warranty wouldn’t give you much peace of mind if you were on the float hoping for rescue, once you got it back home, whatever the problem was would get fixed, and you’d be ready to go out again.

Like any electric motor propulsion system, the Silent 80’s requires almost zero maintenance. Compare that to the ongoing work you do on your big, loud, smelly diesel engine. Not having to change the oil alone seems worth the investment.

• Recommended maintenance schedule happens after the end of most yachts’ lifespans, meaning you may not ever have to do any maintenance at all on this one.
• Kite available for additional propulsion (up to ten times more efficient than a sail)
• Its five-and-a-half-foot draft is pretty deep.
• Smaller kWp capacity than comparable makes.
• Price: $4.6 million and up (new).

Soel Senses 48

This is a smaller yacht (a little more than half the size) than the first two. However, Soel has built a beautiful boat that is entirely sustainably powered. The 12 solar panels on the roof generate 2.7 kWp of electricity stored in two batteries that can be configured to hold up to 142 kWh of stored solar power.

This, like the others, makes for a boat that glides over the water without rattles, without fumes, without noise. Unlike the others, its cruising speed tops out at 10 knots —faster due to its smaller size. Its top speed runs at 18 knots, but with significantly less kWp on board, the ship won’t run at that top speed for extended periods.

The company lists the ship’s range at between 30 and 56 nautical miles (55 – 103 km) , and the fluctuation will come from various options and choices available in operational modes.

• The boat’s 2.3-foot (70.10 cm) draft is shallower than the larger boats here.
• Orders of magnitude more affordable.
• This is a smaller boat and won’t comfortably sleep much more than 10.
• Limited range means this is a weekend cruiser, not a circumnavigator.
• Price: $600,000 and up (new).

Other Choices

These next couple of catamarans are newer and smaller, but they bear mentioning for various reasons, which we’ll be sure to point out with each one. Again, at a certain point, a yacht is a yacht, and if you can fit your friends and family on it for a fun trip, everything else is just gravy.

Smaller than Silent Yacht’s Silent 80, this one is a product not only of Silent Yacht but one made in conjunction with Volkwagen and Cupra, a Spanish car company.

Volkswagen has become a significant player in the electric motor game, so the company brings its Modular Electric Drive (MED) to this vessel, allowing for an even more efficient electric propulsion system than the one on the Silent 80. 

Cupra’s presence in the project seems to be solely on the design side of things. The Silent 50 is a vessel built with an eye toward a world in which water travel creates zero greenhouse gas emissions.

Aquanima 40

Azura Marine , based in Singapore, recently announced a solar-powered yacht whose biggest feature may have been its six-figure cost. According to Azura Marine, the ship can cruise indefinitely with a 10 kW solar power system and a 60 kWh battery pack. That is a smaller battery pack than the others, but it’s also a smaller craft.

This cat is a terrific combination of price and features.

Choosing the Best Solar Catamaran for You

This will be a personal choice and one you’ll want to do a lot of research on (which is presumably why you landed on this page in the first place). Since solar-powered catamarans sell for sums of money with at least seven digits in them, this will not be an impulse purchase for very many people.

Any of the choices listed here will be well-built, beautiful, luxurious places to lay your head or sip your mimosas while you’re on the water. It may come down to aesthetics, range, or speed, but all of these models offer incredible specimens that everyone—landlubber or old salt—will treasure.

The luxury yacht world is an exclusive one, but it doesn’t have to be wasteful or ecologically irresponsible. The yachts listed here are some of the best in the world in terms of combining luxury with solar power and providing emissions-free yachting that’s quiet and relaxing.

New yachts can be purchased from the manufacturers, allowing for customization, and various online yacht brokers are willing to help you find a pre-owned craft that’s right for you.

Finding the right yacht for you will depend on your wants and needs, but we can all agree that environmentally sound, sustainable power on these vessels is valuable.

• Electrek: This $500,000 electric yacht can cross oceans on just battery and solar power
• Forbes: Volkswagen Unveils 50-Foot Solar-Powered Catamaran In Partnership With Silent-Yachts
• Kite Boat Systems: Kite controller for sailing boats
• Plugboats: New 48′ solar electric catamaran from Soel Yachts
• Robb Report: Solar-Powered Yachts Are Taking Over. Here’s Why That’s a Good Thing.
• Silent Yachts: Silent 80
• Soel: Soel Senses 48
• Sunreef: 80 Sunreef Power Eco

Owner of CatamaranFreedom.com. A minimalist that has lived in a caravan in Sweden, 35ft Monohull in the Bahamas, and right now in his self-built Van. He just started the next adventure, to circumnavigate the world on a Catamaran!

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• solar electric yachts
• Soel Senses 62
• Soel Senses 82
• Soel Shuttle 14
• Custom model

True ecotourism

no more fuel

The SoelCat 12 is an energy autonomous solar electric boat, designed from the ground up as a fully sustainable excursion vessel to enjoy the sea. The solar catamaran brings  true eco-tourism  to water-bound operators, communities, resorts, lagoons and nature reserves. With no CO2 or noise emissions involved, we can save the ocean and offer a better experience to our guests! The heart of the concept is  silence : being on board without any distractions lets the journey become the destination!

“Being on the solar catamaran gives you a feeling of total relaxation and freedom. The energy autonomous boat is powered by clean energies and we don’t have to worry about harming the environment with dirty exhaust fumes, fossil fuels or complicated maintenance! Our guests love the quietness and the openness of the vessel, which make every sunset cruise a very special moment!”

S. Dekeunynck, French Polynesia

electric from the start

The SoelCat 12 solar electric catamaran is integrally designed for electric propulsion right from the first line drawing to the matched propeller. Every aspect of this vessel contributes towards its highly efficiency for solar electric sailing. The lightweight yet durable fibreglass construction, the large solar roof and the super slender hulls are the major key factors for the solar vessel’s high performance when it comes to speed and range. The electric propulsion system for the SoelCat 12 is superior when it comest to volume and weight.

MOBILE POWER STATION

During downtime, the SoelCat 12 can utilise its large solar array to provide energy for your land based electricity grid. The solar electric catamaran then turns into a mobile power station and is able to feed 8.6kWp into the AC grid or provide power at remote places where no grid is available. The 120kWh  lithium battery  system supplies all the energy required for save operations during day and night.

SPECIFICATIONS

• Running Time (battery only)
• Running Time (with solar)

“Every detail on the boat is perfect – gorgeous spaces to relax, great spots to view the sunset or the marine life, and even a bar! My favorite moment of all was after sunset, when an incredible manta ray came to say hello, drawn by the underwater lights of the solar catamaran.”

S. Lee, New Zealand

fully customizable

The deck space of the solar electric boat can be customised to your wishes and host a variety of seating arrangements and layouts. Choose classic yacht fittings, luxurious and comfortable. Or practical and economical deck wear and simple bench setup for water taxi services. Furthermore, the electric catamaran can be equipped with a day head in the port side hull.  Get in contact with us now  to learn more about the different options and to discuss your personal requirements with your Soel Yachts contact partner.

The solar electric catamaran can be equipped with removable roll down screens on every side for flexibility in every situation. Screens for sun shading can be applied on good days, while transparent rain screens protect your guests in bad weather conditions. When the screens are not in use, the comfortable SoelCat 12 lounge layout offers spacious space options in the hulls and underneath the furniture.

SUSTAINABLE SEA TRANSPORT

With both the Okeanos Foundation and Soel Yachts sharing a vision of sustainable sea transport and striving for a healthier planet, we are honoured that our partner, the Okeanos Foundation has funded and supported the development of the SoelCat 12. The first SoelCat 12, named the ‘Okeanos Pearl’ is the first energy autonomous vessel for the ecotourism industry and will pave the way for more sustainable coastal water vessels in many different sectors. The Bora Bora Pearl Beach Resort is proving a pioneering spirit by operating the solar electric Okeanos Pearl. As the first resort, they are offering truly sustainable, noise and emission-free excursions in the pristine lagoon of Bora Bora to their guests.

Demountable

The SoelCat 12 can be delivered as a demountable solar electric boat, which fits into two 40ft high cube containers. Such compact dimensions enable ease transport of the catamaran at affordable rates to destinations all over the world. Neither lamination processes or specialized tools are required for the SoelCat 12’s quick assembly on location. For more details, please feel free to follow the link below and discuss your project requirements with your Soel Yachts partner!

Your project enquiry

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• This New 62-Foot Solar-Electric Catamaran Is Topped by a Luxe Skylounge

The multihull is the first tri-deck Silent 62 to hit the water.

Rachel cormack.

Digital Editor

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Silent’s newest fleet member will overshadow all the other 62-foot catamarans it has on the seas, quite literally. 

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In February, German magazine Boote reported that Silent’s parent company ASAP Trading was bankrupt. As a result, the shipyard entered a restructuring phase, but it continued to build despite the difficult circumstances. The new 62-footer is the first vessel to be delivered by Silent this year. 

“The launch of our first Silent 62 3-Deck is a proud moment as we continue to innovate and expand the Silent range,” Silent CEO Fabrizio Iarrera. “It is also proof that the brand continues to operate normally and is focused on delivering boats to clients.”

Designed and engineered by the in-house team, the tri-deck cat showcases a sleek exterior and a high-performance, wave-piercing reverse bow. As with the rest of the Silent fleet members, the newcomer can cruise the high seas silently and sans emissions for as long as you desire.

The multihull is equipped with two 340 kW e-motors, a 150 kW diesel generator, a 286 kWh lithium battery, and 42 powerful solar panels capable of generating up to 17 kWp. It can cruise at between six and eight knots or soar to a top speed of between 18 and 19 knots, according to Silent. It also has an unlimited range and can cover 100 miles per day using energy from the sun. As a result, the cat is cheaper to run than a traditional, diesel-powered monohull. 

The interior is home to five generous guest cabins, one lavish owner’s suite, and a sprawling main salon of 164 square feet. The yacht can comfortably accommodate up to 12 guests and is suited to family adventures with or without additional crew.

Silent says it plans to deliver the first 62 Three-Deck to its owners in a few weeks.

Rachel Cormack is a digital editor at Robb Report. She cut her teeth writing for HuffPost, Concrete Playground, and several other online publications in Australia, before moving to New York at the…

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Sustainability Success

10 SOLAR Boats 2023 & 2024 | Electric Yachts & Catamarans

With more steps being taken towards sustainable development, new, eco-friendly solar boats have been introduced in the world of green travel: solar electric catamarans. 

Solar boats are electric yachts that can go for long distances without needing to stop for fuel and without emissions. Those solar catamarans are interesting eco-friendly alternatives to the classic power boat or sailing yacht for cruising. However, there are also a few disadvantages that you should know about before purchasing one!

Table Of Contents

10 Solar boats, electric yachts & catamarans

Here are the best solar boats that will delight you with a top-notch sustainable yachting experience based on your requirements:

Sunreef Yachts – Eco 80 Sail Catamaran

• Silent Yachts – Silent 80 3-Deck

HH Catamarans – HH44

Silent yachts – silent 60, sunreef 43m eco (140 ft).

• Silent 120 Explorer
• 100 Sunreef Power Eco

Azura Marine – Aquanima 40

Soel yachts – soel senses 48, serenity yachts – serenity 64 (hybrid).

Here’s a quick summary of the features of the best solar catamarans for green yachting in 2023-2024:

If you are an advocate of sustainable yachting or sustainable tourism and are looking to buy an eco-friendly boat that doesn’t rely on fossil fuels , then you would do well to consider getting a solar catamaran. In this article, I will go through the pros and cons of 10 of the best solar yachts and superyachts that you can buy in 2023 and 2024!

It is also important to note that while there are solar panels for sailboats that you can fit on older models, those new boats have been specifically designed to maximize the use of renewable energy.

Most Luxurious + Most innovative solar system

The Eco 80 Sail Catamaran is one of the electric solar boats provided by Sunreef Yachts.

It features a unique “solar skin” that covers all composite structures on the boat, including hull sides, boom, mast, bimini, and superstructure. This green tech makes it possible to place solar panels where it wouldn’t normally be possible (like the hull and any other smaller but useful surface) and provide enough solar energy from every angle.

The boat is 80-feet long (24.38 meters) and includes electric motors that push it smoothly over the water without causing any vibrations or noise.

Besides being solar powered boat, the Eco 80 Sail Catamaran can also be powered by wind and hydropower. It is designed with a sail on its structure, allowing it to tap into wind power and supplement the solar.

The solar powered sailboat generates enough green power not only to propel the boat and keep it moving but also to charge the essential electric water appliances and other water-sport toys.

So far, the Sunreef Yachts Eco solar sailboats have earned a good reputation for being eco-friendly and sustainable. Besides, this solar powered catamaran takes its commitment to the environment a notch higher by using recycled materials , natural fibers, and non-toxic paints to create their boats.

It is no wonder that Sunreef Yachts have been winning environmental awards for so many years. This solar sailboat is one of the most remarkable boats you can ever invest in and it clearly shows the latest advancements in technology .

Prices: about $8 million USD

Where to buy : Sunreef Yachts .

• Larger surface covered with solar panels, that are installed also along the hull, and in other unusual areas.
• The batteries are 30% lighter than normal
• Unlimited cruising range.
• It runs silently and does not cause pollution.
• It has also traditional sails, so it can cruise also when it is not sunny without relying on batteries.
• Luxury, superb quality and finishing
• Great helm position.
• The solar catamaran is very costly (going for $8 million USD or more).
• The solar panels installed on the sides of the catamaran may not be appealing to the eye of all people.

Silent Yachts – Silent 80 Tri-Deck Solar Catamaran

Best pure electric

The Silent 80 Tri-Deck Solar yacht is popular for the large amount of space it offers.

This solar catamaran by Silent Yachts features three large decks that can be easily customized to fit the owner’s preferences and needs. The topmost deck can either be open or enclosed.

This solar powered yacht offers 4 to 6 cabins that are customizable, regardless of whether the deck remains open or enclosed. Besides, the top deck provides additional living space and can be used as a luxury master suite that opens onto a private space outdoors.

Where to buy : Silent Yachts .

• Purely electric propulsion that can be helped by the kite sail.
• The finishing, while being of high standards, doesn’t seem to be at the level of other options in its category.
• Quite costly, with prices starting at about $6 million USD.
• If going for a long cruise during cloudy days you may need to run the generator to keep going.
• The kite sail helps to give some propulsion using wind, but it is less effective than traditional sails.
• The absence of a traditional sail may make the boat a bit less stable, compromising a bit of the comfort while cruising.

Best for world cruising

HH Catamarans is a small boutique boat builder designing some of the most impressive solar boats for cruising, with one of their latest creations being the HH44.

The HH44 is a groundbreaking new boat that is designed to be eco-friendly and efficient.

The boat has a large battery bank that can be charged by solar panels, and also has two electric motors that can be used for electric propulsion up to 7 knots for up to 2h.

The HH44 has an innovative propulsion system named Eco-Drive. This is a parallel hybrid system that combines diesel and electric propulsion for long-range motoring and silent electric propulsion.

The boat also has two diesel engines, which can be used for long-range motoring or to generate electricity. The boat is also designed to be safe, with four propulsion devices plus sails and a large solar array.

The HH44 has a number of technical features that make it a groundbreaking eco-friendly design, including:

• 3 types of propulsion: full electric, standard diesel, and sail.
• 4.2 kWh of solar panels: generating power for recharging the lithium battery bank for solar .
• 10 kW electric motors (5kW each): mounted on the back end of each diesel engine for electric propulsion.
• The diesel engines can be used both for propulsion and as electric generators.
• Possibility to use the propellers to recharge the battery while the boat is sailing. Kind of like using hydropower to charge your solar batteries , pretty cool!

The HH44 is also a performance catamaran thanks to its C-shaped §daggerboards. Daggerboards are an essential component of many sailing vessels, providing both vertical lift and increased upwind sailing performance.

This solar powered yacht features up to 4 double cabins and 2 heads . Not bad for this world-cruising vessel!

If instead, you are looking for a larger boat, HH Catamarans also have other models up to 88ft.

This solar catamaran was also the preferred choice of Gone with the Wynns , a popular cruising YouTube channel. Here’s their announcement video:

Where to buy : HH Catamarans .

• A true performance world cruiser.
• Very resilient with 3 different propulsion modes (electric, sail, and conventional engines) and ideal for offshore cruising.
• It can run silently and without causing pollution.
• More affordable than other solar catamarans, starting from $1 mm USD
• Smaller than other options.
• The improved sailing performance requires narrower hulls, which reduces the available space onboard compared to other traditional vessels of similar size

Best mid-range

The Silent 60 is one of the smaller electric boats made by Silent Yachts. It is designed to be handled by at least two people. The users can either choose to include an additional crew or not.

Despite its outward small appearance, Silent 60 is very spacious and can accommodate a good number of people.

Besides, the electric yacht has a beautiful design that adds to its elegant and luxurious feel. It is usually designed with up to 6 cabins , with each cabin offering every basic amenity you need to have a luxurious stay on the yacht. In fact, the electric solar boat is equipped with everything you need to allow you to live on board permanently!

As someone who loves spending time on the water, I was really excited to learn about the Sunreef 43M Eco: a superyacht that is both eco-friendly and luxurious.

I was especially impressed by the solar power system, which is built into the composite structures of the yacht, and the large hydraulic platform which creates a vast walkaround beach club.

The interior of the solar superyacht is just as impressive as the exterior, with a variety of sustainably-sourced materials and fabrics used throughout as well as energy-saving air-conditioning. The Sunreef 43M Eco can welcome up to 12 guests in the most luxurious conditions.

Silent Yachts – Silent 120 Explorer

Here’s another incredible solar super-yacht by Silent Yachts. The Silent 120 Explorer is a truly unique yacht, designed to explore the world in style and comfort.

Powered by solar energy, this solar catamaran is perfect for those who want to enjoy the beauty of the open seas without worrying about the impact on the environment.

With plenty of space for guests and all the amenities you need onboard, the Silent 120 Explorer is the perfect choice for your next adventure. If you’re looking for a yacht that combines luxury and environmental responsibility, the Silent 120 Explorer is a perfect choice.

The company didn’t yet release detailed information, however, this superyacht seems to be even featuring a helipad under the roof’s solar panels!

The Silent 120 Explorer has plenty of room for guests and all the amenities you need onboard. So if you’re ready to embark on your next great adventure, be sure to consider the Silent 120 Explorer, which will likely start being delivered in 2023.

The 100 Sunreef Power Eco

Sunreef recently launched and sold their first 100 Sunreef Power Eco catamaran, a transatlantic luxury craft that takes solar boat design to the next level.

With massive living space, great autonomy, and impressive features like a flybridge that can be transformed into an outdoor cinema, the 100 Sunreef Power Eco is the perfect vessel for cruising in supreme luxury

This catamaran uses the latest innovations in solar power to achieve outstanding energy efficiency, and its ultralight battery bank provides for silent cruising and infinite range.

The fully customizable interior and exterior make this catamaran a truly one-of-a-kind option, and its use of ethically-sourced and eco-responsible materials is sure to please even the most discerning buyer.

If you’re looking for an electric yacht that is both luxurious and eco-friendly, the 100 Sunreef Power Eco is certainly a great option for you if you can afford it!

The most affordable $

The Aquanima 40 catamaran is entirely powered by solar energy. It features creative adaptations and unique innovations that make it eco-friendlier and more economical boat than other solar-powered catamarans. For example, the solar panels installed on the electric catamaran are built in such a way that they can sell any excess solar energy back to shore stations when connected.

The exterior of the Aquanima 40 has an elegant design. Also, the interior is not only aesthetically pleasing, but also very clean and modern.

The boat is designed with 2 single cabins for the crew and 2 double cabins for guests.

Indeed, this solar boat by Azura Marine is one of the most economical and cost-effective options you can go for when buying a solar catamaran.

• Relatively fast.
• Ideal for short vacations.
• The most affordable solar catamaran, starting at about $0.6 million USD.
• Much smaller than other options.
• Not recommended for long cruises.
• Basic looks and layout.

As its name suggests, the Soel Senses 48 is 48 feet long. It has a slender design and is lightweight , making it more economical than most other solar-powered boats.

The boat is designed with two sleeping berths that can accommodate two people each. It also includes a salon that can offer enough sleeping space for four people. 

Compared with most other solar yachts, the Soel Senses 48 has a much smaller size. Its size, adding to its sleek and innovative design, give it faster speed than other solar-powered boats.

It incorporates 12 solar panels installed on the roof ; all these panels generate a combined electrical power of up to 2.7 kWh. The electricity generated by the solar panels is then stored in two batteries which can be easily configured to hold a maximum solar power of 142 kWh.

Like other Soel Yachts, the Soel Senses 48 glides smoothly over water without causing any noise, rattles, or generating fumes.

It has average cruising speeds of 10 knots, even reaching top speeds of up to 18 knots. However, the solar catamaran cannot run at its top speed for long periods.

Both the interior and the exterior of the Soel Senses 48 have a sleek and modern design. Every single component of the solar catamaran has been designed carefully to make it as functional and comfortable as possible. Therefore, when you board on this boat, you can expect to experience one of the best sailing experiences of your life.

The Serenity 64 Yacht features a diesel engine. It is a hybrid solar boat, which means that it can run on either solar power or on diesel.

The diesel engine especially comes in handy when the users wish to achieve faster cruising.

The solar catamaran is a very spacious electric boat and provides plenty of living space. It is built with four luxurious cabins, with each cabin having its ensuite bathroom. And even though the Serenity 64 is smaller than the Serenity 74 model also built by Serenity, it still provided an elegant feel and a smooth sailing experience.

Solar Boats Pros and Cons

The sun is a powerful and free source of energy, making solar power an attractive option for those looking to power their yacht. Solar panels can be used to generate electricity to run the yacht’s lights, appliances, and even the engine. Solar power can also be used to heat water for showers and laundry. But, what are the pros and cons of solar catamarans?

Here’s a quick summary of the solar yachts’ advantages and disadvantages:

One of the main benefits of solar power is that it is renewable and environmentally friendly. Solar panels have no emissions and do not produce pollution. In principle, they also do not require fuel, making them very cost-effective in the long run. Solar power is also very reliable, as the sun is a constant source of energy.

There are a few disadvantages to solar power. Solar panels can be expensive to install, and while they require less maintenance, this can be quite costly, especially when it will come time to replace the batteries. Solar panels also need to be pointing directly at the sun to be effective, so they may not generate power on cloudy days or at night.

But there’s more, let’s see what some sailing experts are thinking about solar catamarans!

Sailing expert’s solar Boat review

Recently, one of the most popular sailing YouTube channels, Saliling La Vagabonde , published a very honest and interesting review of the solar powered yacht Silent 55. Here’s a summary of their experience:

• 7 Days onboard (6 nights)
• Travelled 145nm with an average speed of 7 knots
• Generator used for about 12h (in total)
• Fuel consumed: 208 liters

Here are some interesting observations they made:

• While cruising it may feel less stable than a standard sailing boat because it doesn’t have a sail to stabilize it when hitting the waves.
• For the Silent 55 it was possible to move at about 3 knots by using only the power generated by the solar panels (without using the batteries) on a sunny day. This means that if you are moving the solar yacht around quite frequently, you will end up using the generator quite a lot to produce the necessary power.
• When the batteries are out of power, the Silent yacht is using a (diesel) generator to supply the necessary power to keep the boat moving and to power the appliances.
• A great luxury yacht with all the comforts and going in the right direction for the future of the sector.
• Overall, the Silent Yacht is a great eco-friendly alternative to a power boat , while if you are thinking about cruising around the world, you would be probably better off going for a standard sailboat (or for some of the hybrid alternatives mentioned in this article, like the HH44).

Why are solar yachts all catamarans?

Solar yachts are all catamarans for 2 main reasons:

• Catamarans have a larger surface, which allows for placing more solar panels and also offers more room for the batteries onboard.
• Catamarans have efficient hulls for their size. This reduces their power consumption while moving.

This makes catamarans the ideal platform to build a solar-powered boat.

Modern solar electric boats are undoubtedly an eco-friendly choice in sea travel and a form of green tourism . Not only do these electric boats provide a smooth sailing experience, but they also reduce the release of emissions into the atmosphere, reducing the environmental impact and enhancing sustainability .

Luckily, given their size, solar catamarans can charge themselves (unlike electric cars ), so they can sail indefinitely without the need to stop for refueling.

If you are environmentally conscious and looking to get a boat that is more viable, desirable, and eco-friendly, you may consider investing in one of the solar yachts discussed in this article!

Suggested Articles

Aquanima 40 series

Azura marine, this $500,000 electric yacht can cross oceans on just battery and solar power.

Singapore-based Azura Marine unveiled a new $500,000 electric yacht that they claim can complete “non-stop ocean voyages powered only by sunlight.”

The electrification of transport is slowly spreading into maritime transport.

While the focus has been commercial vehicles like ferries, it is also reaching leisure and personal vessels.

Azura Marine is the latest to enter the space with its first solar-powered catamaran yacht, the Aquanima 40 series, unveiled earlier this month in Bali, Indonesia.

The company describes the electric vessel:

“She is a unique 4 cabin, 8 guest yacht designed for extended cruising without any need for fossil fuels or refuelling stops of any nature. The Aquanima 40 solar-powered catamarans are also equipped with a 56 m2 rain catchment system, water maker and air conditioning water recovery – rendering water supply stops unnecessary too.”

Here are a few pictures of the Aquanima 40 series solar yacht:

Azura Marine claims that the vessel can continuously cruise thanks to its large 10 kW solar power system and 60 kWh battery pack.

Here are some of the specs of the Aquanima 40 series:

• LOA 13,25 m
• Draft 65 cm
• Propulsion Power: 2 x 10 kW
• Solar Power: 10 kW
• Main Battery Bank Capacity: 60 kWh

The company writes about the capacity of the electric vessel:

“For the owner, this means limitless cruising with no fuel costs, no noise or vibration, no smells, no polluting emissions and no disturbance of marine life.  The electric motors are virtually maintenance-free with only a couple of low-cost bearings to be replaced at 20,000 hours (more than a typical lifetime usage of a yacht).”

Here are some pictures from inside the electric yacht:

The company lists several amenities available onboard its new electric vessel:

“The yacht offers all the comfort to be expected of a modern cruiser with air conditioning, fully equipped galley including ice maker, hob and sink.  On this version, the bathroom and toilet is on main deck for greater ease of access as this vessel is strongly oriented towards enjoying the outdoors, exploring hidden bays with the electric dinghy or diving on pristine reefs. Onboard Solar Eclipse, all water is self-produced, including fresh and drinking water, thanks to the yacht’s water-maker, air conditioning water recovery system and gigantic rain water collecting solar roof.  She features a high quality marine sound system and all round WIFI connectivity.”

Azura Marine Co-Founder and CEO Julien Mélot commented on the launch of the new electric vessel:

“it was an enormous thrill to launch the yacht last week and undertake her first few miles at sea.  The yacht met all our expectations and while the design makes for near silent operation with exceptional responsiveness, it was incredible to actually experience it  – and all in the knowledge that we were not producing any harmful pollution or emissions.  With some strong winds and a very tight to enter marina berth, we were delighted by how easy the yacht was to manoeuvre.  We simply cannot wait to take her out on her maiden voyage.”

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New Silent Yachts For Sale

Silent yachts are the industry leader in ocean-going production yachts that are completely solar sustainable and powered by solar energy. seaworthy, luxurious, and built to impeccable standards, silent yachts are already desirable without its solar capabilities. with the abundance of solar panels on board each boat, every silent yachts model is able to cruise for 100 nautical miles in complete silence. even while at anchor, the solar-powered generators keep the yacht powered quietly for an unprecedented boating experience. enjoy all the benefits of a power catamaran with the addition of solar energy. silent yachts.

Silent Yachts

Silent Yachts 80

Silent Yachts 55

Speak To A Silent Yachts Sales Professional

Silent Yachts offer an environmentally conscious choice when it comes to owning a yacht. Silent Yachts currently offers three solar-powered power catamaran models including the Silent 55, Silent 64, and Silent 80. United Yacht Sales is proud to be the U.S. distributor for Silent Yachts and can assist you in your search for the world's first solar-powered yacht. For more information, please contact United Yacht broker Darren Sell at (561) 351-7333 or by email at [email protected] . 

Where are Silent Yachts built?

Silent Yachts are built through two different shipyards depending on the model. The Silent 55 is built at the world-class shipyard of Mazarin German Yachts which also has a production site located in China. For over 70 years, Mazarin has been a leader in quality yacht construction with over 400 yachts delivered. Mazarin are experts in innovative construction processes that are able to produce light weight yachts.

The Silent 64 and Silent 80 are produced at the Italian-based shipyard Consorzio Navale which is a prestigous consoritum of builders and sub-contractors in the industry. The group has serviced many of the major Italian yacht brands such as Ferretti Yachts and Riva Yachts . Additionally, the Silent Yachts 80 features styling and design by Marco Casali and naval architecture by Insenaval.

Are Silent Yachts really completely solar-powered?

The short answer is yes. Owners can choose to go 100% solar-powered or install diesel engines should higher speeds want to be achieved over longer distances. Silent Yachts can cruise up to 100 miles per day by power acquired through its solar panels. Every day the solar panels are able to generate more power than the total consumption needed for propulsion at cruising speeds plus powering all of the appliances on board. 

How does the solar power work? 

The Silent Yachts power system feeds the electric propulsion of the power cat and all of the energy it needs to run the A/C, refrigerators, and other household appliances. Light-weight lithium batteries provide an ample amount of energy for everything on board. The lithium batteries used in Silent Yachts are the most expensive ones on the market, but also the most reliable, safe, and have the longest life span.

Solar panels are integrated to the roof of the flybridge hardtop sections instead of just being bolted on top, resulting in no wind load or resistance againest them. Below is a video explaining how the system functions and operates back when Silent Yachts were originally called "Solar Wave":

Who is the team behind Silent Yachts?

Heike and Michael Kohler have sent almost their entire lives on a boat. After more than two decades of using various boats, cruisers, and sailboats on multiple oceans, they became dedicated to finding a better energy source for the propulsion of yachts. Between the years of 2005 and 2009, Heike and Michael tested a number of a multitude of various alternative energy sources. In 2009, SolarWave 46 was launched as a proof of concept for their design. While there are many boats and yachts built that use solar power in some fashion, the Solarwave 46 was the first ocean-going yacht to use solar energy to power everything on board from engines to appliances.

What else is different about how Silent Yachts are built?

Certainly the solar-powered engines and generators are the distinguishing characteristic, but there are a lot of other features that make each Silent Yacht unique. For example, the molds were created using a CNC-milling machine that is able to contruct particular shapes for an optimized design. The materials used in the hull include a carbon compositie that is then resin-infused for a light-weight, but very strong platform. Every hull is fully insulated and the long-term durability is exceptional thanks to the high-quality resin used in the infusion process.

What propulsion systems are recommended by Silent Yachts?

Silent Yachts recommends the 2 x 135 engines as the best solution. If the owner is making frequest trips from Point A to B (Say Miami to the Bahamas for example) the faster hybrid is recommended. The main differentiator here is cruising speed. If the owner is living on the yacht for an extended period of time, rarely pushes the engines to top speeds, and stays below 12 knots, then the E-Power is recommended.

When the generator is running, does the 100Kw go to charging the batteries (which run the 250 Kw e-Motors) or directly to the e-Motors?

All of the enery consumers and producers are connected to the bus bar. If there happens to be more power produced than consumed, the excess power goes to re-charge the batteries. If for some reason more power is required than what is produced, the needed power comes from the lithium batteries.

What is the sustained speed if both 100 Kw generators are running?

This answer really depends upon sea condition and the weight of the boat (for example components, additional equipment, water toys, etc.). The sustained speed on average though is between 12 and 14 knots, 10 knots with one generator running. It is possible to cruise at 10 knots without a generator running when using the Solar E-Power.

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120 Explorer

The boldest expression of solar powered yachting yet.

Our 120 Explorer brings Silent technology to the superyacht level. Capable to taking you almost anywhere on the water, she pushes our dedication to engineering and innovation further than any other electric yacht before. Just as with our 80 Series, Marco Casali was responsible for the futuristic exterior and opulent interior design of this supercatamaran. Bespoke customization across all four decks ensures the owner´s vision will be transformed into reality effortlessly.

Specifications

Exterior deck

Flybridge & Helipad

Solar-electric yachting advantages

Unlimited range, noiseless cruising, zero emission, minimal maintenance, 12o series highlights.

Touch & go helipad

With the help of a sliding mechanism, the solar panels are capable of moving apart – revealing a sun deck which can also be used as a touch and go helipad. It was specially designed for eVTOLs (electric Vertical Take-Off and Landing aircrafts). This makes her the first Silent offering 4 complete decks.

Electric submarine

In combination with the NEMO, a series produced electric submarine, you can explore depths of up to 100 m. Designed by U-Boat Worx, the batteries of the optional submarine can be recharged by connecting it directly to the yacht.

2 Tender garages

The 120 Explorer is equipped with two tender garages. The first one is located between the hulls and accommodates limo tenders of up to 7.5 m. In addition, a smaller crew tender and toys can be stored in the side-loading garage in the port hull.

Incredible space

900 m² of combined exterior and interior space means this super catamaran offers similar amounts of space as monohulls measuring up to 50 m in length, giving you plenty of opportunity to play with.

8 Years Warranty Battery Banks

4 0 years warranty solar panels, lifetime warranty electric motors, rina class certification, ocean crossing capabilities.

If you would like to enquire about this electric yacht and get in touch with a member of our team, please click on the button below.

Other models

CAT 12.0 Lounge

Specially designed for commercial use with a capacity to transport up to 40 people, the 12-meter full-electric solar-powered catamaran offers virtually endless navigation, an open spacious interior design, and premium levels of onboard comfort.

CAT 12.0 Cruise

This 12-meter fully electric solar-powered catamaran offers virtually endless navigation and comfort. The CAT 12.0 Cruise offers a spacious cabin, and two double-bed cabins with private bathrooms.

SOEL SHUTTLE 14

The Soel Shuttle 14 responds to an ever increasing market demand for zero-emission vessels, capable of transporting people in a sustainable and smart way.

SOEL SENSES 62

Soel Yachts’ Soel Senses 62 solar electric yacht features 42 state-of-the-art 440Wp solar panels and an electric propulsion system for clean and quiet sailing. The sleek and minimalistic design features an efficient hull shape to optimise speed and range for truly sustainable tours around the world.

The Bella Verde 35 is a new chapter in self-driving cruising. Its state-of-the-art features include electric motors, solar panels and plenty of storage for passenger luggage, so you can feel free in the ocean.