2005 Mainship 400 Trawler Boat in Solomons, MD 20688 US
Built in 2005
400 Trawler
1 Engine (Caterpillar)
40 feet
Diesel
Fiberglass/Reinforced
COMING SOON - LOW HOUR MAINSHIP 400 - Virtual tours or in person showings can be scheduled for June 16th, 2026
Do not wait for the full photo package if this vessel fits your search criteria. The last Mainship we represented attracted competing offers in less than two weeks despite having higher engine hours and only one place holder photo for the listing. Opportunities to purchase a Mainship 400 with this level of care, maintenance history, and equipment upgrades are becoming increasingly rare. This is the unicorn you have been looking for!
Text or call for details. Email-only inquiries may not receive a response due to the anticipated level of interest and our travel schedule.
More photos, specifications, and details will be added shortly.
If you've been searching for a late-model Mainship 400 with exceptionally low hours, extensive upgrades, and a lifetime of protected freshwater and brackish-water cruising, this may be the opportunity you've been waiting for.
This Mainship 400 has just 500 original hours on her Caterpillar diesel engine and approximately 200 hours on the generator, making her one of the lowest-hour examples currently available. Lovingly maintained and thoughtfully upgraded, she represents the ideal blend of classic trawler comfort, efficiency, and modern navigation technology.
Recent improvements and maintenance include:
- Caterpillar engine survey completed with all recommended items addressed
- New aftercooler installed
- New raw water pump assembly installed
- New 16,000 BTU Marinaire salon air conditioning system
- Generator starter and relay replaced
- Comprehensive professional layup completed at the end of 2024, including engine, generator, batteries, shore power, freshwater system, head, bilges, and air conditioning systems
- Both trim tab rams replaced in Spring 2025
- Garmin GPSMAP 943 XSV at upper helm
- Garmin GPSMAP 743 XSV at lower helm
- New transducer installed
- Garmin Reactor 40 Autopilot system installed
- Garmin AIS 800 Blackbox Transceiver installed
- Garmin VHF 215 radio installed
- New compasses installed in 2026
- Two new 8D batteries installed in 2026
- Updated window screens installed throughout
The Mainship 400 has earned a reputation as one of the most practical and sought-after cruising trawlers ever built. With economical diesel performance, spacious accommodations, dual helms, wide side decks, and exceptional visibility, she is equally at home as a Great Loop cruiser, Chesapeake Bay explorer, coastal passagemaker, or liveaboard.
Serious buyers are encouraged to reach out now for advance specifications, additional information, and first-showing opportunities before this vessel is officially launched to the broader market.
The Company offers the details of this vessel in good faith but cannot guarantee or warrant the accuracy of this information nor warrant the condition of the vessel. A buyer should instruct his agents, or his surveyors, to investigate such details as the buyer desires validated. This vessel is offered subject to prior sale, price change, or withdrawal without notice.
Price History
| Date | Event | Price |
|---|---|---|
| 6/12/26 | Initial price | $225,000 |
2005 Mainship 400 Trawler Video Tours
Overview from around the web 2005 Mainship 400 Trawler
Customers have praised the 2005 Mainship 400 Trawler for its exceptional performance and comfortable cruising capabilities
Many appreciate its spacious interior layout, which maximizes living space and storage options, making it perfect for extended voyages. Owners often highlight the boat’s well-equipped galley, featuring modern appliances that enhance the onboard cooking experience. The fuel efficiency of the Mainship 400 Trawler is frequently mentioned, with users enjoying the long range it offers for cruising. The reliable performance of the Cummins diesel engine is also a common point of satisfaction, ensuring smooth navigation through various waters. On the deck, the generous outdoor space, including a large flybridge and cockpit area, allows for relaxing and entertaining while providing ease of access when docking or navigating. Customers also emphasize the sturdy construction and seaworthy design, which instills confidence when taking the boat out on the water. Overall, owners of the 2005 Mainship 400 Trawler appreciate its blend of comfort, efficiency, and versatility, making it a favored choice for both weekend getaways and long-term adventures.
Made For
The 2005 Mainship 400 Trawler is an ideal choice for boaters who seek a blend of comfort, efficiency, and versatility. Designed for those who enjoy long-range cruising and weekends on the water, this vessel appeals to both seasoned mariners and newcomers alike. With its spacious layout, the Mainship 400 Trawler is perfect for families and friends looking to create unforgettable memories on the open water. The well-appointed interior features a spacious salon, a fully equipped galley, and cozy sleeping quarters, accommodating comfort for extended trips. Its efficient diesel engine offers exceptional fuel economy, making it suitable for long-distance cruising without the worry of frequent refueling stops. The boat's trawler design ensures stability and ease of handling, appealing to those who prefer a more relaxed pace while navigating coastal waters and river routes. Whether you're planning a weekend getaway or a lengthy adventure, the 2005 Mainship 400 Trawler is designed for those who appreciate the art of cruising and the joys of life on the water.
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Boats For Sale in Maryland, United States Similar to the 2005 Mainship 400 Trawler
Compare with similar boats and find the perfect one for you.
 2005 Mainship 400 Trawler | |||||
|---|---|---|---|---|---|
| $225,000 | $230,000 | $199,000 | $198,800 | $150,000 | $145,000 |
| Solomons | Oxford | Solomons | North East | Saint Leonard | Pasadena |
| 40' | 43' | 40' | 34' | 43' | 38' |
| Caterpillar | Caterpillar | Yanmar | Volvo Penta | Cummins 220 | Cummins |
| 385 hp | 350 hp | 370 hp | 280 hp | 220 hp | 220 hp |
| 11 | 305 | 74 | 226 | 4 | 273 |
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Meet the Broker
Address
Boat Location
Contact Calm Seas Yachting about 2005 Mainship 400 Trawler
290 174th St, Unit 1910, Sunny Isles, FL, 33160
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