2008 Mainship 40 Trawler Boat in Kingstown, RI US
Built in 2008
40 Trawler
1 Engine (Yanmar)
40 feet
Diesel
Fiberglass/Reinforced
2008 Mainship 40 Expedition Trawler - "Kim Katie III"
Location: Kingstown, RI
"Kim Katie III" is a turn-key, Great Loop Veteran representing the highly desirable Mainship 40 Expedition Trawler series. The 40 Trawler shares the same prestigious pedigree as the best-selling 39, but offers many distinct upgrades all her own. Mainship's design team paid special attention to maximizing accommodations, extending the length a full three feet to deliver an especially spacious interior design and an expanded flybridge.
Only a 3-owner boat, this vessel was purchased by her current owners in Southport, NC, in May 2024. She features a meticulous, fully documented ownership history with all maintenance records available since 2017. Following a major mechanical top-end overhaul and extensive recent upgrades (2024-2026), she is fully turn-key, exceptionally clean, and ready for her next captain's long-range cruising adventures.
Vessel Specifications
Engine: Single Yanmar 6LY3-UTP (1,976 Hours)
Generator: Kohler 9kw 120/240v (~1,300 Hours)
Maneuverability: Bow & Stern Thrusters for effortless docking
Shore Power: Fore & aft power cords for flexible slip configuration
Recent Upgrades & Repairs (2024 - 2026)
The current owners have spared no expense maintaining and upgrading the vessel to premium standards:
Mechanical & Engine Room:
Top-End Engine Rebuild (Nov 2025 - Feb 2026): Initiated by a slow coolant leak. Includes machined head (6 thousandths off spec), completely rebuilt injectors, and brand new Yanmar exhaust/intake valves, valve springs, and valve seats.
New Yanmar Turbo (2/25)
New Yanmar Wet Exhaust Mixing Elbow (4/25)
Replaced Yanmar ECM (5/24)
Complete removal and comprehensive service of all coolers (5/24)
Electrical & Systems:
New Pronautic 1250P Battery Charger
New batteries (4x 8D marine batteries) (5/26)
New Jabsco quiet electric flush head and all-new sanitation hoses (9/24)
Scheduled Maintenance: Fuel and tanks to be fully polished (9/26)
Deck, Canvas & Interior:
New Sunbrella Bimini Top (2/25)
New Flybridge Kenyon 240V Stainless Steel Electric Grill (9/24)
New heavy-duty Mantus Rocna Galvanized 55lb/25kg anchor, custom bridle, and chain hook
New premium carpeting installed in both Master and Guest staterooms
Prior Owner Significant Maintenance & History (> 2017)
New Isinglass enclosure (3/24)
Replaced generator battery (6/23)
New galley Microwave (1/20)
Comprehensive Generator rebuild (6/19)
New Vitrifrigo Refrigerator/Freezer (11/17)
Kato inflatable Davit system (10/17)
Note on Vessel History: The boat sustained minor cosmetic/canvas damage during a 2021 North Carolina hurricane. All repairs were professionally executed to high standards, including newly replaced isinglass, seamless cosmetic Awlgrip fiberglass repair, and stainless rail repairs.
Accommodations & Layout
Flybridge & Summer Kitchen: Features an expanded bridge layout with seating aplenty, two tables perfectly suited for dining outdoors, and a spectacular summer kitchen equipped with a newly upgraded stainless grill.
Helm Station: The upper helm station is well-appointed, offering an ergonomic layout with ample room for all your gauges and electronic navigation options.
Salon & Entertainment: Premium aluminum glass-paneled doors open from the aft deck to flood the interior with light. The raised salon and galley are beautifully crafted in warm, rich cherry wood. Unwind on the contemporary sofa (with optional convertible sleeper) while watching the flat-panel TV, or tune into the integrated Bose stereo/DVD system.
Staterooms: Sleep comfortably in a forward master stateroom boasting a queen-size island berth, large hanging lockers, deep drawers, and built-in cabinets. The separate guest stateroom offers twin berths, a hanging locker, and independent storage cabinets.
2008 Mainship 40 Trawler Video Tours
Overview from around the web 2008 Mainship 40 Trawler
Customers often praise the 2008 Mainship 40 Trawler for its exceptional versatility, spacious layout, and fuel efficiency, making it an ideal choice for long-distance cruising or weekend getaways
Boat owners frequently highlight the comfortable living spaces, which feature a well-designed galley, a bright and airy salon, and ample storage throughout. The trawler's efficient cruising speed, combined with its stable performance, allows for relaxed voyages on various waterways. Many users appreciate the accessibility of the main deck and the ease of maneuvering both in marinas and open waters. The solid construction and reliable systems also receive high marks for durability and ease of maintenance. While some customers point out that the interior styling may feel a bit dated compared to newer models, they often emphasize that this is a small trade-off for the boat's overall functionality and reliability. Overall, the 2008 Mainship 40 Trawler is celebrated for aligning comfort with practicality, making it a beloved choice among cruising enthusiasts.
The Biggest Pros and Cons
The 2008 Mainship 40 Trawler is a well-regarded vessel in the trawler category, known for its comfortable design and solid performance on the water. Here are some pros and cons to consider:
Pros
Spacious Interior: The Mainship 40 features a well-thought-out layout, offering ample living space for extended cruising or weekend getaways. With a spacious salon and two private cabins, it accommodates families or groups comfortably.
Fuel Efficiency: Designed for long-range cruising, the trawler is equipped with a fuel-efficient engine that allows for economical operation. Its moderate cruising speed means lower fuel costs over long distances.
Stability and Seaworthiness: The hull design of the Mainship 40 provides excellent stability, making it suitable for various water conditions. It’s capable of handling choppy seas while providing a comfortable ride.
Versatile Layout: The main deck features a flybridge that offers great visibility while navigating. The cockpit is suitable for outdoor entertaining or fishing, making it a versatile option for different types of boating activities.
Ample Storage: This vessel is designed with plenty of storage options, making it ideal for long trips and liveaboard situations. You'll find ample space for gear, supplies, and personal belongings.
Solid Construction: Mainship is known for quality craftsmanship, and the 2008 model is no exception. It features durable materials and a sturdy build, lending to its long-lasting performance.
Cons
Limited Speed: While fuel efficiency is a strong point, the cruising speed may feel slow to some boaters, especially those accustomed to faster motoryachts. It typically operates at around 8-10 knots.
Aging Electronics: Depending on the specific vessel, the onboard electronics and navigation systems may be somewhat dated compared to newer models. Upgrading these systems could be a consideration for prospective buyers.
Maintenance: While the Mainship 40 is built to last, it may require regular maintenance, particularly on older models. Potential buyers should be prepared for upkeep related to both the engine and the overall condition of the vessel.
Docking Space: Due to its width and overall length, finding adequate docking space can be a challenge in certain marinas where space is limited for larger vessels.
Limited Performance in Extreme Conditions: While generally seaworthy, the Mainship 40 may not handle extreme weather conditions as well as some larger, more robust ocean-going vessels.
Made For
The 2008 Mainship 40 Trawler is designed for the adventurous mariner seeking a perfect blend of comfort, efficiency, and practicality on the water. Ideal for experienced cruisers and those new to long-range boating alike, this trawler caters to a diverse audience: 1. Cruisers and Adventurers: For those looking to explore coastal waters and make memories on extended cruises, the Mainship 40 is equipped with ample living space and storage for overnight trips. 2. Fishers and Outdoor Enthusiasts: With its sturdy hull and spacious cockpit, this trawler provides a reliable platform for fishing adventures, whether you're casting a line or simply enjoying a day on the water. 3. Families and Gatherers: The open layout and comfortable accommodations make it an ideal choice for families and groups seeking quality time together on the water. Its well-appointed galley allows for easy meal preparation, while the spacious salon invites relaxation and conversation. 4. Liveaboards: With a manageable size and livable amenities, the Mainship 40 offers a practical option for those considering full-time living aboard, providing a cozy and functional space for everyday life at sea. 5. Weekend Warriors: Perfect for weekend getaways, this trawler combines efficiency and easy handling, allowing weekend sailors to escape the hustle and bustle and enjoy nature’s tranquility. Overall, the 2008 Mainship 40 Trawler is for anyone looking for a reliable, comfortable, and versatile vessel that can handle a variety of boating activities, from relaxing weekends to serious explorations.
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 2008 Mainship 40 Trawler | ||||||
|---|---|---|---|---|---|---|
| Price | Price on request | $24,950 | $25,000 | $54,900 | $104,900 | $124,500 |
| Location | Kingstown | East Greenwich | Bristol | North Kingstown | Portsmouth | Bristol |
| Nominal Length | 40' | 34' | 28' | 26' | 36' | 35' |
| Draft | 4' | - | - | - | - | - |
| Engine Make | Yanmar | Perkins | - | Yanmar | Cummins | Volvo |
| Total Engine Power | 380 hp | 200 hp | - | 80 hp | 150 hp | 200 hp |
| Days on Market | 18 | 9 | 565 | 149 | 174 | 187 |
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