1997 Mainship 350 Trawler Boat in Conway, SC 29526 US
Built in 1997
350 Trawler
1 Engine (Caterpillar)
35 feet
Diesel
Fiberglass/Reinforced
1997 Mainship 350 Trawler
Conway, South Carolina
Great Loop Veteran - Ready to Do It Again!
Booking appointments now!
Just completed the American Great Loop and she's ready to do it all over again for a third time. This nicely updated and extensively equipped Mainship 350 offers the rare combination of economical operation, outstanding cruising capability, modern electronics, and numerous upgrades that make long-range cruising easy and enjoyable.
If you're looking for a proven Great Loop vessel, this is one you need to see.
Why This Mainship Stands Out
- Single 300 HP Caterpillar diesel (freshwater cooled)
- Caterpillar-certified inspection/survey completed in 2025
- Freshwater-cooled aftercooler
- Approximately 3,770 engine hours
- Full-length keel protects the propeller
- Shallow 3.5-foot draft
- Air draft approximately 18.5 feet
- Fold-down radar mast lowers air draft to approximately 14.5 feet in seconds
- Ideal Great Loop configuration
Generator & Power Systems
2022 Onan 9kW Generator
- Approximately 390 hours
- Digital control panel
- Transferable 5-year warranty
Advanced Off-Grid Power Package
- 2025 EcoFlow Delta 2 Max system
- 2,016 Wh primary battery
- Additional 2,048 Wh battery
- Total capacity: 4,064 Wh
- 250W rigid solar panel
- Supports:
- Microwave
- Keurig
- Refrigerators
- Ice maker
- Dehumidifier
- Small heater
- Up to approximately 2 days at anchor depending on solar conditions
- Recharge both batteries in under 2 hours using generator
Additional Charging Systems
- EcoFlow DC-to-DC 800W alternator charger
- Reverse charging capability for house/start batteries
- Battery maintenance mode
- Victron Centaur 12V 60A 3-bank charger
- Victron solar charging system
- 220W solar panel for house/start batteries
- Galvanic isolator
Navigation & Electronics (2022 Updates)
Redundant navigation systems provide excellent reliability for long-distance cruising.
Upper & Lower Helm Stations
- Garmin 942 Touchscreen
- Garmin 7-inch touchscreen
- Raymarine Axiom touchscreen
- Navionics charts
- Radar
- AIS Transmit
- Autopilot with rotary control
- Dual VHF radios
- Dual 7-inch displays at lower helm
- Dual 9-inch displays at flybridge
Simply upload a route or use auto-routing and allow the autopilot to follow the course.
Additional Electronics:
- Garmin AIS Transmit
- Nebo Link
- Wireless spotlight controls
- Eartec UL2S full-duplex wireless communication headsets (2-user system)
Fuel System
- NEW fuel tanks installed in 2020 and 2022
- Racor fuel filter/water separator
- Vacuum gauge monitoring system
Comfort & Accommodations
Interior Features
- Spacious wide-beam layout
- Beautiful teak interior
- Galley-up design
- Walk-around queen berth in master stateroom
- Excellent lower helm visibility
- Sliding helm door for easy docking and locking
- Molded flybridge stairs (no ladder)
- Separate shower stall
- New electric head
- New sanitation hoses
- New acrylic hatches, seals, screens, blackouts, and rain guards
Climate Control
- Two Marine Air reverse-cycle AC/Heat units
- 2022 six-gallon hot water heater
- Engine-heated hot water underway
Entertainment
- 32" Toshiba Fire TV
- New articulating side-mount bracket
- USB charging stations throughout
Deck & Ground Tackle
Anchoring Equipment
- Simpson Lawrence horizontal windlass rebuilt in 2023
- Wireless remote controls added in 2025
- Rocna anchor
- 40' chain
- 160' rode
- Swivel connection
Deck Features
- Wide side decks with secure railings
- Integral swim platform
- Transom door
- Sun shades
- Dual mid-cleats with 1/4" stainless backing plates (2025)
- Large dock box/storage lounger (2025)
- Two new folding loungers (2025)
- Folding teak end table
- Magna propane grill
Mechanical Updates & Maintenance
Recent maintenance includes:
- New transmission cooler
- New engine zincs
- New stern bilge pump
- New forward bilge pump float switch
- Holding tank sensor serviced
- Cat engine oil and filters changed
- Fuel filters changed
- Onan generator oil and filters changed
- Generator water pump serviced
- Generator impeller replaced
- Generator zincs replaced
- AirSep air cleaner serviced
- Oil X-Change-R system
- Current propeller tuned (12/24)
- Spare propeller included
Batteries & Electrical
- Two 8D house batteries (2022)
- Series 27 generator battery
- Series 31 bow thruster battery
- Dedicated bow thruster battery/charger
- Two 30-amp shore power connections (bow and stern)
- 50-amp adapter included
- Two newer EEL shore power cords
- GFCI protection throughout
Safety Equipment
- Auto-inflating PFDs
- Additional life jackets
- Anchor buoys
- Fenders and fender boards
- New CO and CO₂ detectors
- Spotlight
Included Extras
- Two Citizen folding bicycles
- Dock box/sundeck storage lounger
- Folding teak table
- Spare alternator
- Spare head motor
- Spare water pump
- Spare filters
- Spare impellers for engine, generator, and Honda outboard
Additional Notes
- Originally a North Chesapeake boat
- Primarily operated in low-salinity brackish water
- Excellent lower helm visibility for cold or wet cruising days
- Swim platform remains accessible with dinghy attached
Location: Conway, South Carolina
This proven Great Loop cruiser is exceptionally well-equipped, thoughtfully upgraded, and ready to depart on its next adventure immediately. Whether you're planning the Loop, coastal cruising, or comfortable liveaboard life, this Mainship 350 deserves a serious look.
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 |
|---|---|---|
| 6/11/26 | Initial price | $125,000 |
1997 Mainship 350 Trawler Video Tours
Overview from around the web 1997 Mainship 350 Trawler
The 1997 Mainship 350 Trawler has garnered positive reviews from boat owners who appreciate its classic design and practical features
Customers often highlight the spacious interior, which includes comfortable living areas and a well-equipped galley, making it ideal for extended stays on the water. Many users praise the boat's stability and fuel efficiency, making it a great choice for long-distance cruising. The large flybridge offers excellent visibility, while the roomy cockpit provides ample space for entertaining or relaxing. Owners frequently mention how easy it is to handle, thanks to its user-friendly layout and reliable performance. Overall, the 1997 Mainship 350 Trawler is well-regarded for its blend of comfort, functionality, and excellent value in the trawler market.
The Biggest Pros and Cons
The 1997 Mainship 350 Trawler is a well-regarded vessel, known for its versatility and comfort. Here are some of the pros and cons to consider:
Pros
Spacious Interior: The Mainship 350 Trawler features a roomy layout with ample living space, making it ideal for extended cruising or liveaboard lifestyles.
Fuel Efficiency: Its economical diesel engine provides excellent fuel efficiency, which is a significant advantage for long-range cruising.
Stability: The trawler's design offers excellent stability in various sea conditions, making it a good choice for both beginners and experienced boaters.
Easy to Handle: With a single-engine setup and bow thruster options, maneuvering the boat in marinas and tight spaces is relatively easy.
Versatile Deck Space: The generous deck offers plenty of room for fishing, sunbathing, or simply enjoying the outdoors, enhancing the overall cruising experience.
Trawler Characteristics: The hull design is specifically made for trawling, ensuring a comfortable ride with less heeling compared to other types of boats.
Cons
Speed Limitations: The Mainship 350 is not built for speed, with a top cruising speed that may be lower than some boaters desire, which could be a downside for those looking for quicker voyages.
Aging Components: Being a 1997 model, some components may show signs of wear and tear, requiring maintenance or upgrades to bring them back to optimal condition.
Limited Bow and Stern Space: While the deck is spacious, the lack of significant room at the bow and stern could limit activities like fishing or storage.
Older Technology: The electronics and navigation systems may not be up to today’s standards and could require updates for modern-day functionality and safety.
Draft Depth: The boat's draft may be deeper compared to some other models, which could limit access to shallower waters or marinas.
Molded Interior: Some buyers might prefer wooden finishes; the molded fiberglass interior may not appeal to everyone.
Made For
The 1997 Mainship 350 Trawler is designed for a variety of boating enthusiasts, making it an ideal choice for: 1. Cruisers: Perfect for those who love long-distance cruising, offering a comfortable and stable ride on open waters as well as serene rivers and coastal areas. 2. Liveaboards: With ample space and amenities, this trawler is well-suited for individuals or couples looking to live aboard, featuring a comfortable layout that promotes a cozy lifestyle at sea. 3. Fishing Enthusiasts: The spacious cockpit and solid construction make it an excellent platform for fishing, whether for recreation or as a serious pursuit. 4. Family Boaters: Families will appreciate the roomy interior and exterior spaces, providing a safe and enjoyable environment for spending quality time together on the water. 5. First-time Boat Buyers: The easy handling and fuel-efficient nature of the Mainship 350 make it accessible for new boaters, allowing them to build confidence while enjoying all the benefits of cruising. With its combination of comfort, functionality, and performance, the 1997 Mainship 350 Trawler caters to a broad audience, ensuring that countless adventures on the water are within reach.
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Boats For Sale in South Carolina, United States Similar to the 1997 Mainship 350 Trawler
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 1997 Mainship 350 Trawler | |||||
|---|---|---|---|---|---|
| $125,000 | $99,900 | $95,000 | $175,000 | $69,900 | $69,500 |
| Conway | Port Royal | Charleston | Hilton Head Island | North Myrtle Beach | Conway |
| 35' | 35' | 31' | 36' | 43' | 40' |
| Caterpillar | Yanmar | Volvo | Cummins | Lehman | Perkins |
| 300 hp | - | 200 hp | 210 hp | 135 hp | 185 hp |
| 12 | 40 | 33 | 556 | 312 | 729 |
Other Mainship 350 Trawler boats for sale in South Carolina, United States
Other Mainship boats for sale in South Carolina, United States
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