Full-custom Heesen Setteesettanta superyacht hits water

The all-aluminium 57-metre vessel known as Project Setteesettanta features unusual architecture and is totally bespoke
August 4 2026 4 minutes to read
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Broad staircases on board the Heesen Setteesettanta lead from the swim platform to the lounge by the pool

It is the first time that the Dutch shipyard has placed a bridge on the fourth deck for the owner to get an observation deck, while retaining the vessel’s overall sleek profile 

The project previously known as YN 20857 was commissioned by "experienced yacht connoisseurs", who are also Heesen Yachts’ repeat clients. They wanted a new boat for spending time at sea with family and friends. However, this time the brief was more specific: generous exterior spaces, shallow draft and a large range. 

Broad staircases on board the Heesen Setteesettanta lead from the swim platform to the lounge by the pool
Broad staircases on board the Heesen Setteesettanta lead from the swim platform to the lounge by the pool

The exterior offered by Frank Laupman and his Omega Architects team features a number of innovative solutions. First of all, it is the unusual location of the wheelhouse on the fourth deck. To reduce the visual impact on the profile, Laupman designed an elegant radar mast in the shape of an arch and replaced conventional bulky domes with flat-panel Starlink antennas. 

This allowed one to dedicate the entire upper deck to the owner, whose suite boasts a panoramic 180-degree view and features an aft terrace and a large open foredeck, that can also be used as a touch-and-go helipad. 

The Setteesettanta’s architecture was developed Van Oossanen Naval Architects. The Fast Displacement Hull Form (FDHF) hull is aluminium, which decreases fuel consumption by up to 20% compared to conventional hulls. 

Twin MTU 16V2000M72 engines can deliver a top speed of 18 knots and a transatlantic range of 3,900 nautical miles at a cruising speed of 12 knots. 

The four-deck Setteesettanta's exterior is owed to Omega Architects
The four-deck Setteesettanta's exterior is owed to Omega Architects

With a length of 57 m and a beam of 10.75 m, the vessel’s draft is 2.3 m and the internal volume is 920 GT. In addition to the owner’s suite taking up a dedicated deck of almost 200 sq.m, there is also a VIP cabin on the main deck located next to the gym, and four more guest cabins below deck (two doubles and two twins). 

The Setteesettanta’s interior was designed by Cristiano Gatto. The project draws on the traditional Japanese wave pattern of Seigaiha, which symbolises balance and continuity of movement. Rare kinds of marble for the finishes were hand-selected by the owners in Verona, while the furniture was crafted by the yard in-house. 

The yacht features a four-metre infinity pool on the main deck aft, and the adjoining beach club is fitted with a hydraulic swim platform for convenient access to the water. Tenders and water toys are stored in the garage at the bow. 

“A returning client is the highest compliment a shipyard can receive. Experienced yacht owners arrive with real ambition and set genuine challenges for the yard and its people, and we welcome that, because it is exactly what moves us forward and sharpens our craft,” said Jeroen van der Meer, CEO of Heesen.

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