Sunreef 43M

• Type: Eco sailing superyacht catamaran
• LOA: 43 m
• Accommodation: up to 12 guests, full-beam owner's suite
• Beach club: aft platform with fold-out bulwark terraces
• Garage: two large jet skis with refuelling and launch system
• Eco propulsion: green drive with proprietary integrated solar power
• Recognition: German Innovation Award 2025 (43M Eco)
• Construction: fully custom, built in Gdansk

Its place in the range

The 43M sits among Sunreef's largest sailing superyachts, a fully custom multihull built for twelve guests and a full crew. It carries a timeless marine design over immense living space and technical depth. Above the 35M in scale, it is a bespoke ship drawn entirely around its owner. It represents the top of the yard's sailing offering. For an owner who wants the largest bespoke sailing catamaran with green credentials to match, the 43M is the destination.

Sunreef builds the 43M with a choice of conventional and Eco propulsion, and the Eco version carries the yard's green drive and proprietary solar power system. That specification earned the 43M Eco the German Innovation Award 2025 for its approach to environmentally conscious luxury. The Eco drive brings silent anchoring and clean cruising to a superyacht scale. An owner sets the balance to suit their voyaging. The award is a mark that the green engineering here is taken seriously beyond the marketing.

Design and deck life

The 43M opens up to the sea through an aft platform with fold-out bulwark terraces that create a broad beach club. The design carries Sunreef's wide, low signature into superyacht proportions with elegance. Social areas spread across several levels for sun, shade and dining. Owners shape the exterior spaces to host large parties or to keep quiet corners. The beach club turns the whole stern into a waterfront terrace when the yacht is at rest.

A garage in the platform holds two large jet skis with a refuelling station and a launching system. Custom paint, decking and detailing give each 43M its own character. The rig is drawn for efficient sailing that supports the Eco energy system. The whole exterior is engineered for an active life on and in the water. The onboard fuelling and launch system means the toys are ready to go without a shore stop.

An award-winning sailing superyacht for twelve, with a beach club and a green solar drive

Interior and accommodation

Inside, a full-beam owner's suite provides panoramic views and stands as the centrepiece of the accommodation. Up to twelve guests are housed in bespoke cabins finished to the owner's brief. An integrated gym and diving-gear storage support an active life aboard. Sunreef's artisans work in fine materials throughout the interior. The owner's suite runs the full width of the yacht, giving a bedroom with the sea on both sides.

The saloon sits in natural light with the sea in view from every seat. Storage, tankage and systems are scaled for long, self-sufficient voyages. Climate control is engineered to sit within the Eco energy budget. The interior feels like a bespoke residence carried under sail. The gym and dive store make the 43M a genuine base for an active cruising life, not only a place to relax.

The Eco engineering

The 43M Eco carries green propulsion with the shipyard's proprietary solar power system integrated into the structure. Under sail the rig provides the drive while the solar surface charges the banks. At anchor the yacht can run silent, with no generator and no local emissions for extended periods. The award-winning package proves that superyacht luxury and clean engineering can share one hull. That recognition put the 43M Eco at the front of the conversation about sustainable superyachts.

Sunreef builds the composite platform in house for the stiffness a superyacht rig demands. Energy management is tuned for genuine long-range autonomy. The whole system is designed so an owner can voyage widely with a light footprint. The engineering brief was to redefine what an environmentally conscious superyacht can be. The technology draws on years of Sunreef solar work, so a buyer is choosing maturity at a flagship size.

The owner it suits

The 43M suits an owner who wants one of the largest bespoke sailing catamarans with green credentials to match. It rewards those who host twelve guests and want a full beach club and an active toy programme. Buyers who value a landmark owner's suite and full crewed service will find both here. It is a flagship-class sailing yacht for a values-driven owner. It fits the owner who wants a headline yacht that also reflects how they think about the sea.

It also carries the prestige of an award-winning green design at the top of the market. The blend of timeless lines and clean engineering has broad appeal. For an owner ready for a crewed sailing superyacht, the 43M is a summit. Life aboard is grand, active and self-sufficient. The award and the green drive give the yacht a story that resonates well beyond the anchorage.

Who it is for: Owners who want a flagship-class bespoke sailing catamaran with beach-club living and award-winning green engineering.