4200 Aluminium: Project Cayman

Current Build Phase


The use and requirements of the future client determine the size, speed and GT of the yacht. After the first layout we start developing the general arrangement and building specs, followed by tank tests and engineering.

1 Design
2 Keel Laying
3 Joining Hull & Superstructure
4 Technical Launch
5 Delivery

Sleek & Stylish

Following in-depth market research, the 42 metres / 138 feet Cayman project is Heesen’s response to widespread demand for a shallow draft, fast displacement full aluminium motor-yacht arranged over three full decks. She offers the extra volume and comfort of a tri-decker in a design package of less than 400GT. Cayman has a modest draft of around 2.15 metres / 7 feet 1 inch, ideal for safe and comfortable cruising in the Bahamas but also anywhere else in the world.

First impressions

Thanks to her sleek Fast Displacement Hull Form, two powerful MTU engines and her lightweight aluminium construction, Cayman will be able to achieve a top speed of 22.5 knots. The contemporary classic exterior styling by Omega Architects breaks new ground with bold, angular planes complimented by Heesen’s ‘pelican’ bow trademark. Stylish cutaways in the side bulwarks allow abundant light to penetrate the interior, while full-height, wrap-around glass windows on both main and upper decks ensure superb sea views.

Step aboard

The interior design proposal by Hot Lab in Milan is described as ‘Exotic Modern’ and based on light wood veneers with natural tones and textures for a casually relaxed ambience. Of course, owners are able to customise the interior design on request to suit their own tastes.



Hull type: FDHF

Exterior design: Omega Architects

Interior design: Hot Lab Studio

Hull: Aluminium


Length over all: 42.20 metres / 138 feet 5 inches

Beam over all: 8.80 metres / 28 feet 10 inches

Draft (half load): 2.15 metres / 7 feet 1 inch

Tonnage: approx. 400 GT


Crew: 7

Guests: 10

Cabins: Full-beam Owner’s stateroom, two double suites and two twin guest suites

Technical Details

Maximum speed (half load): 22.5 knots

Range: To be decided

Fuel capacity: To be decided

Fresh water: 10,000 litres / 2,640 US Gallons

Propulsion Details

Main engines: 2 x MTU 16V 2000 M96L

Maximum power: 2 x 1,939kW

Main generators: 2 x Zenoro, each 80kW

Bowthruster: ZF-Marine 80kW, hydraulically driven

Stabilisers: Naiad Dynamics, 2 fins, zero speed

General arrangement

Sun deck

Wheelhouse deck

Main deck

Lower deck


Mark Cavendish , Chief Commercial Officer | Robert Drontmann , Sales Manager