Mulder Design reveals more details on Project Opal

The ambitious 70-metre Project Opal by Mulder Design reimagines luxury yacht living, drawing inspiration from the Caribbean summer villas
March 5 2026 4 minutes to read
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The 70-m Mulder Design Project Opal is a superyacht with a beam of 13 m and a draft of 3.15 m

Project Opal concept was first presented back in 2024, and now Dutch Mulder Design has revealed more details 

“With the exterior styling, what we have aimed to achieve is a look that appeals to a lot of people and therefore isn't something too crazy, and which mirrors current trends in a way that isn't so super-modern it would date quickly," explains Bas Mulder, Owner at Mulder Design. "The core attributes are calm and elegant lines that work in harmony with the marine environment rather than screaming for attention. The project's organic lines follow the flow of waves and clouds, and the yacht looks like she was sculpted by the wind." 

The 70-m Mulder Design Project Opal is a superyacht with a beam of 13 m and a draft of 3.15 m
The 70-m Mulder Design Project Opal is a superyacht with a beam of 13 m and a draft of 3.15 m

With her impressive length of 70 m (waterline length of 63.4 m ), a beam of 13 m and a draft of 3.15 m, the vessel looks quite compact. The vessel is based on Mulder's own proven high-speed cruising hull platform, and depending on the choice of engine package, its performance can be enhanced by up to 30%. 

Project Opal's foredeck doubles as a touch-and-go helipad
Project Opal's foredeck doubles as a touch-and-go helipad

The layout incorporates such signature Mulder Design elements as flared bulwarks forward on the upper two decks, improving vision for bridge wing stations and expanding deck area around the owner's suite, as well as a guest sky lounge aft, which can be reconfigured to transform the entire upper deck into a dedicated owner's area. 

Mulder Design Project Opal features a generous beach club right by the water
Mulder Design Project Opal features a generous beach club right by the water

According to the designers, the key breakthrough is that all these engineering and layout solutions have been united with a unique interior philosophy, blurring the boundaries between a yacht and a coastal residence. The concept departs from conventional superyacht interior design, moving towards that typical of Caribbean summer villas with their weathered wood and leather, rough stone and natural linen upholstery. 

Mulder Design Project Opal's main saloon
Mulder Design Project Opal's main saloon

Among the bold innovative solutions that help to create a relaxed, laid-back atmosphere on board is the kinetic lighting installation in the lounge on the main deck. The adjustable slats of a wooden pergola conceal spotlights, while creating ever-changing light patterns that cast shifting shadows throughout the day, dissolving the ceiling boundary and filtering brilliant light like an authentic tropical terrace. 

Six guest cabins are not below deck (where the crew accommodation is), but on the main deck forward, next to the saloon and the dining area, opening onto a vast aft terrace with a bar and an outdoor lounge. There is a beach club with a fold-down swim platform, while the foredeck doubles as a helipad. 

Interior space of the Mulder Design Project Opal's beach club
Interior space of the Mulder Design Project Opal's beach club

The designers refer to the project as a gemstone, reminding everyone that opal is believed to be a protective stone that brings cheerfulness, optimism, and spontaneity alongside creativity, originality, and appreciation for beautiful things, and all these qualities permeate both Project Opal's design and the onboard experience envisioned for her future owners.

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