Alia Yachts Delivers Atlantide, the 50m Superyacht Vitruvius Previewed as Fast 50

Alia Yachts has delivered Atlantide, a 50 meter full custom superyacht built at its Antalya shipyard and previewed earlier this year under its working name, Fast 50. At 498 GT with an 11 meter beam, an Alustar aluminum hull and a full carbon superstructure, she will be presented to press at the Monaco Yacht Show, where Vitruvius Yacht Design, her exterior designer, is showing her as the purest expression of its design philosophy to date.

The two companies behind Atlantide describe her in almost opposite registers. Vitruvius, which penned the exterior, calls her the sleekest and lowest profile yacht the studio has ever designed, a single deck built around restraint. Alia, which built her, describes years of engineering, craftsmanship and determination just to make that restraint physically possible. Read together, the two statements are the more honest account of what a genuinely minimal superyacht costs to build.

A single deck, and what that actually demands

Vitruvius Yacht Design, founded and led by Philippe Briand, frames its approach as purity and proportion pushed to an extreme at the client's request. Atlantide is a single deck yacht, which the studio calls the sleekest and lowest profile it has ever designed, meant to read as one continuous line rather than a stack of levels. Briand has described the idea as the separation between hull and superstructure reduced to little more than the sheerline itself.

That restraint is not free. An Alustar aluminum hull, a full carbon superstructure and triple waterjet propulsion carry the low profile, extensive glazing, an uninterrupted deck and broad aft terraces that keep Atlantide close to the water, with an 11 meter beam supplying the volume a single deck design cannot borrow from height.

What it cost to build the idea

Çelik's own account of the project stresses years of engineering, craftsmanship and determination, credit he extends to Alia's team rather than to the design brief alone. The naval architecture is by Mulder Design and the interior by Liaigre, both working from Vitruvius' exterior concept to complete a yacht Alia calls a bold expression of its custom building capabilities.

From Fast 50 to Atlantide

The rename marks the moment a design exercise becomes a deliverable yacht. Vitruvius will show photographs and project documentation of Atlantide on its Monaco Yacht Show stand this September, alongside its other 2026 premiere. For a studio whose founder frames purity as the goal, having something this restrained actually survive construction may be the more persuasive credential.