The FNM 3900 (or Marin LuxurYachts ) is a custom full-displacement motor yacht model from the Spanish shipyard Factoria Naval Marin (FNM), highly regarded for its robust construction, large internal volume, and exceptional long-range capability. This model is designed for autonomous global cruising, blending the strength of a steel-hulled explorer with the elegant, custom luxury of a contemporary superyacht.
The FNM 3900 is a meter ( ) displacement yacht featuring a sturdy steel hull and an aluminum superstructure, designed to maximize stability and fuel efficiency. With a considerable volume of – Gross Tonnage (GT), the yacht’s layout is notably spacious for its length. It includes a rare and highly desired Full-Beam Owner’s Suite located on the Main Deck forward. The tri-deck layout features large exterior social spaces, including a magnificent Sundeck and a dedicated Tender Garage at the stern. Interiors, often styled by Ask Deco or Giorgio Vafiadis, are luxurious, featuring high-end custom furnishings, extensive glazing, and often utilize mirrored ceiling panels to enhance the feeling of volume.
Specifications
- Yacht Model: FNM 3900 (Custom / Marin LuxurYachts)
- Builder: Factoria Naval Marin (FNM, Spain)
- Year Built / Refit: (Typical delivery year)
- Length Overall (LOA): meters ( )
- Beam (Width): meters ( )
- Gross Tonnage (GT): 393 – 431 GT
- Engines: Twin MAN D2842 LE413 diesels ( HP)
- Max Speed: knots
- Cruising Speed: – knots
- Max Range: nautical miles (up to nm reported at economic speed)
- Hull Material / Class: Steel Hull / Aluminium Superstructure / Lloyd’s Registered
Accommodation & Amenities
- Guest Accommodation: Up to 10 guests
- Cabins: 5 staterooms (Full-beam Master Suite on Main Deck + 2 Double Cabins, 2 Twin Cabins on Lower Deck), all en-suite.
- Crew Accommodation: 7 crew members (in separate crew quarters).
- Key Amenities & Features:
- Range: Exceptional transatlantic range ( nm at low speed), essential for global exploration.
- Stabilizers: Equipped with Zero-Speed Stabilizers (common addition) for maximum comfort at anchor.
- Owner’s Suite: Highly valuable Full-Beam Master Suite on the Main Deck with a private bathroom and walk-in closet.
- Deck Leisure: Massive Sundeck with a large Jacuzzi, surrounding sunpads, and an exterior bar.
- Facilities: Onboard Gym area, dedicated tender garage, and full satellite navigation/communication systems.
The FNM 3900 is a meticulously engineered, full-displacement superyacht offering an uncompromising blend of robust construction and custom luxury. Boasting a massive nautical mile range, this steel-hulled vessel is your turnkey solution for confident transatlantic voyages and autonomous world cruising. The yacht’s generous GT volume accommodates ten guests in five luxury staterooms, headlined by a prized Full-Beam Master Suite on the Main Deck. Equipped with zero-speed stabilization, a vast Sundeck Jacuzzi, and a dedicated Gym, the FNM 3900 delivers superior comfort and reliability, standing out as a serious, high-value explorer option in the under- meter segment.












