Body and sole

Heesen's 55-metre Project Castor has been named Solemates after being delivered to her new owner.

19 August 2020


The latest in Heesen’s 55-metre Steel class, Solemates has recently been delivered and is the first to feature a new layout to accentuate her impressive interior volume of approximately 760GT.

Frank Laupman of Omega Architects designed the superyacht’s exterior and colour scheme, while Bannenberg & Rowell designed the interiors.

Solemates’ owner hired a stylist to personalise the interiors designed by Bannenberg & Rowell, with a bespoke selection of new veneers and fabrics to reflect the taste and lifestyle of the client.

Six staterooms on three decks accommodate up to 12 guests. The master suite spans 82-square-metres and includes a study, a full-width bedroom, separate his-and-hers walk-in wardrobes, and a bathroom with both shower and bathtub. Floor to ceiling windows flood the space with natural light and offer spectacular sea views.

A VIP suite can be found up on the bridge deck, while the remaining four guest staterooms are on the lower deck – two of them with rail-mounted beds allowing quick conversion from doubles to singles.


A spacious beach club and wellness area in the stern opens onto a fixed swimming platform. The tenders are stowed forward.

The sundeck has a Jacuzzi, sun pads, a comfortable conversation area and a bar. Additional lounge chairs face aft. The aft terrace on the bridge deck is dedicated to alfresco dining, while the seating in front of the bridge offers a perfect spot to enjoy the view while underway. The main deck aft makes an ideal reception area, with built-in settees, coffee tables and armchairs.

Solemates sports a fast-displacement hull form, devised by Dutch hydrodynamicists van Oossanen and further developed by Heesen’s in-house naval architects and engineers. This low-drag hull combined with two relatively modest MTU engines of just 1000 kW each improves this superyacht’s efficiency.

Solemates is the second Heesen superyacht to be delivered since the Covid-19 pandemic struck.

“We adopted drastic measures early on, following Dutch government guidelines, both in our production processes and in the offices.

We managed to introduce the necessary social distancing and were able to carry on our work with as little disruption as possible,” Explains Rick van de Wetering, Heesen’s Chief Operating Officer.

Solemates will be available for charter in the Eastern Mediterranean after exceeding all her contractual expectations during her recent sea trials.

A sister ship, YN 19255 Project Pollux, is currently nearing completion and available for sale, with delivery expected this year.



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