SeaVee 340 I Cuddy – Yanmar 2 x 330 HP – Offshore Fishing & Luxury Day Boat
The SeaVee 340 I Cuddy “MAMUCHY” is a high-performance American offshore vessel, internationally recognized for the extraordinary quality of its hull's navigation, its structural robustness, and its excellent behavior in rough seas. Built by the prestigious American shipyard Zydeco Limited (SeaVee Boats), this model has established itself as a reference within the high-end center console cabin segment.
Originally designed for offshore sport fishing in the demanding markets of Florida and the Caribbean, the SeaVee 340 combines performance, autonomy, and reliability with an extremely versatile layout. Thanks to its Cuddy Cabin configuration, it offers a comfortable bow cabin without compromising the large exterior deck space, also becoming an excellent option as a luxury day boat or support tender for superyachts.
The unit “MAMUCHY,” built in 2001 and registered in Poland, stands out particularly for its excellent state of preservation and for a highly valued engine in the nautical sector: dual Yanmar 6LY-STE engines of 330 HP each.
Yanmar Engine – Offshore Reliability
Equipped with 2 Yanmar 6LY-STE engines of 330 HP each, this SeaVee offers powerful, efficient, and extremely reliable navigation. It is one of the most appreciated diesel configurations for offshore navigation due to its durability, low consumption, and great responsiveness.
The transmission is carried out via a shaft/propeller system, providing solid and safe navigation even in demanding sea conditions.
Exceptional State of Preservation
The vessel has been continuously maintained professionally, with annual tune-ups, preventive maintenance, and seasonal preparation carried out by a specialized technical team.
During the technical inspection, the following was verified:

Total absence of rust or structural corrosion
Clean and dry engine room
No oil residues or leaks
Engines with up-to-date inspections
All operational systems at 100%
Immediate and perfect cold start
Mechanical operation without vibrations or abnormal smoke

The hull maintains its original gelcoat in very good condition, preserving shine and color uniformity. The upholstery shows only slight wear typical of normal use, which can be easily renewed as an aesthetic improvement.
The bow cabin is also in excellent condition, with panels, lighting, cushions, and interior finishes completely functional and well maintained.
Updated Electronics and Navigation
The unit has been updated with a new GPS navigation system and modern plotter, significantly improving the user experience and positioning the boat within current navigation standards.
A Very Interesting Opportunity in the Mediterranean Market
The SeaVee 340 I Cuddy represents an excellent opportunity for owners looking for a reliable, powerful offshore vessel with great construction quality. An extremely valued model by connoisseurs of the American market, ideal for both premium sport fishing and high-level fast cruising or support for large yachts.
Its combination of legendary hull, Yanmar diesel engine, and overall state of preservation makes this unit a very hard-to-find option currently in the European market.