• Flybridge and Lower Helm Stations


• Twin Yanmar Engines w/ Low Engine Hours (approx. 1,700)


• New Garmin 943xsv - Plotter and Radar (May2026)


• New Standard Horizon VHF (x2) (May 2026)


• New Macerator in Head (May 2026)


• Fresh Water Tank Flushed and Sanitized (May 2026)


• New Horn (May 2026)


• New Bluetooth Stereo and Speakers (May 2026)


• Kohler Generator


• Spacious Flybridge with Ample Seating and Enclosure


• Excellent Visibility from Upper Helm


• Comfortable Two-Stateroom Layout


• Large Salon with Abundant Natural Light


• Full Galley with Range, Oven and Microwave, Plus Generous Storage Throughout


• Flatscreen TV’s


• Economical Cruising Performance


• Nautical Fire Safety Annual Inspection and Certification of Fireboy Tank


• Turnkey Condition


• Tender INCLUDED

The Mainship 390 offers one of the most functional interiors in her class with a bright, open salon featuring large windows that provide panoramic water views and exceptional natural light. Comfortable seating, warm wood finishes, and an open-concept layout create an inviting atmosphere for entertaining or relaxing onboard.

Forward, the master stateroom provides a comfortable island berth with ample storage, while the guest accommodations offer additional sleeping space for family and friends. The head and separate shower arrangement make extended cruising especially comfortable.

One of the standout features of the 390 is the oversized flybridge, designed with entertaining and visibility in mind. Guests will appreciate the generous seating while the captain enjoys clear sightlines and intuitive helm access. Wide walkarounds and sturdy handrails make moving about the vessel safe and convenient.

Mainship earned its reputation by building fuel-efficient cruising yachts capable of handling long-distance adventures comfortably and economically. Whether you are planning the Great Loop, island hopping, or local cruising, this 390 delivers an excellent balance of performance, comfort, and value

Clean, upgraded, and ready to cruise, this 2003 Mainship 390 represents an outstanding opportunity for anyone seeking a proven trawler with liveaboard comfort and cruising capability. She is easy to operate, economical to own, and offers the kind of versatility that has made the Mainship 390 one of the most sought-after trawlers in her class.

We offer the details of this yacht in good faith but cannot guarantee the accuracy of this information or warrant the condition of any vessel listed for sale. All listings are subject to prior sale, price change, or withdrawal from the market without notice and are provided as a convenience to clients; they are not intended to convey direct representation of a specific yacht for sale.
Images displayed may be illustrative or representative rather than depictions of the actual vessel. Variations in features, options, color, condition, and engine hours may exist between images and the actual vessel. For accurate details — including whether images depict the specific vessel listed - please refer to the accompanying description or contact us directly. We encourage prospective buyers to request additional photographs of the actual vessel prior to purchase.