Marex 390 Boat

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The Marex 390 is a cruiser boat from Marex Boats. Constructed from GRP, the Marex 390 has a planing hull design and is capable of speeds up to 30 knots.

The Marex 390 can accommodate four guests in two cabins. For those thinking of a new Marex 390 for sale, it is ideal for weekending and dayboating.

Interested in owning a Marex 390? This model is currently in production and can be customized to meet your specifications. Order a New Marex 390 Boat tailored to your desires. Ready to purchase sooner? View All New & Used Marex 390 Boats for Sale available now!

12m

Guests

4 Max
Cabins

2 Max

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British Motor Yacht Show 2026

14th - 17th May 2026

Swanwick Marina, Southampton

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The 390 is a sweet spot boat for Marex, inspired by the flagship 440. It condenses that down to a more manageable 12 metre (39.4ft) platform. YachtBuyer Jack Haines - Sept 2025

And it just reeks of quality...from the stainless steel as you work your way forward to the beautiful woodwork, the cappings on the bulwark here, the teak as it runs forward, the handholds. It is lovely. YachtBuyer Jack Haines - Sept 2025

Handling is just glorious. And what is really pleasing… it’s genuinely really fun to drive. YachtBuyer Jack Haines - Sept 2025

But with its conceptual clarity, its build excellence and its promise of rock-solid residual values, those with the money and the ambition can rest assured that the new Marex 390 is one of the best 40ft sports cruisers we’ve seen. Motor Boat & Yachting Alex Smith - Feb 2026