1978 Mainship 34
$19,999
Boat in Everett, WA 98201 US
34
1 Engine (Perkins)
34 feet
Diesel
Fiberglass/Reinforced
1978 Mainship 34 Trawler - Perkins Diesel ? Economical ? Ready for Adventure
Classic lines, proven performance, and legendary reliability - this 1978 Mainship 34 delivers it all. Powered by a dependable Perkins diesel, she?s built for the boater who wants to cruise farther, burn less fuel, and spend more time enjoying the journey.
The Mainship 34's single-diesel, semi-displacement design has made her a Great Loop legend and a go-to choice for economical coastal cruising. She offers excellent range at 7-9 knots, while the Perkins engine is known for running strong for thousands of hours with minimal fuss.
Highlights You'll LovePerkins Diesel Power - Renowned for reliability and fuel efficiency - under 1,000 hours on rebuild
34' LOA | 11' 11" Beam - Spacious yet easy to handle solo or with a partner
- Flybridge with Full Controls - Commanding views and comfortable seating
- Stern Thurster - Sideshift
Open, Bright Salon - Surrounded by large windows for natural light
Functional Galley - Stove, sink, refrigerator, and smart storage for trips
Private Forward Stateroom - V-berth with ample storage
Head with Shower - Comfort for extended cruising
- Wide Side Decks - Safe, easy movement bow to stern
- Generator - Westbeke 4.4KW
- New Bottom Paint and Zincs - 10/24
- Outboard Motor - 5HP Honda motor
- Fuel Capacity ~ 220 gal | Water ~ 50 gal - Long legs for extended voyages
The Perkins diesel means low maintenance costs, excellent fuel burn, and peace of mind on every trip. Paired with the solid fiberglass hull and practical trawler layout, this vessel is ready to take you on weekend getaways, month-long adventures, or even the Great Loop.
Whether you're a seasoned cruiser or making the leap into trawler life, this Mainship is a proven, no-nonsense platform for adventure.
Step aboard and start your journey - this Mainship 34 with a Perkins heart is ready for her next chapter. Contact us today to schedule your private showing.
Price History
| Date | Event | Price |
|---|---|---|
| 1/29/26 | Price decreased | $19,999(-33.3%) |
| 8/16/25 | Initial price | $29,999 |
1978 Mainship 34 Video Tours
Overview from around the web 1978 Mainship 34
Customers appreciate the 1978 Mainship 34 for its classic styling and solid build quality
Many highlight its spacious interior, which offers comfortable accommodations for extended cruising. Owners often praise the boat’s reliable performance and ease of handling, making it suitable for both coastal cruising and overnight trips. The Mainship 34’s practical layout and ample storage are also frequently mentioned as strong points. Overall, customers value this model for its blend of traditional design and functional features, making it a favorite among classic trawler enthusiasts.
The Biggest Pros and Cons
The 1978 Mainship 34 is a classic trawler-style cruiser known for its solid construction and comfortable accommodations. Here are some pros and cons of this model:
Pros
Sturdy Build: The Mainship 34 is renowned for its robust fiberglass hull and strong structural integrity, making it durable and seaworthy.
Spacious Interior: For a 34-foot boat, it offers surprisingly roomy living quarters with a well-designed layout that includes a comfortable salon, galley, and sleeping accommodations.
Fuel Efficiency: Equipped with a reliable single diesel engine, it provides good fuel economy for extended cruising.
Easy Handling: Its moderate size and manageable systems make it suitable for both novice and experienced boaters.
Classic Aesthetic: The traditional trawler styling appeals to enthusiasts who appreciate timeless design and functionality.
Cons
Limited Speed: The Mainship 34 is designed for leisurely cruising rather than speed, with a top speed typically around 7-8 knots.
Older Systems: Being a 1978 model, some mechanical and electrical systems may require updates or maintenance to meet modern standards.
Limited Headroom: While spacious, some areas inside the cabin may have lower headroom compared to newer boats.
Basic Amenities: Compared to contemporary cruisers, onboard amenities and finishes may feel dated and less luxurious.
Single Engine Configuration: While fuel-efficient, having only one engine may be a concern for some regarding redundancy and safety.
Made For
The 1978 Mainship 34 is ideal for boating enthusiasts who appreciate a classic, well-built cruiser with spacious accommodations and practical design. It suits families or small groups looking for comfortable overnight stays, weekend getaways, or leisurely coastal cruising. Its sturdy construction and reliable systems make it a great choice for those seeking a dependable and enjoyable vessel for both day trips and extended voyages.
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Address
Boat Location
Contact Everett Yachts
1728 West Marine View Drive, Suite 222, Everett, WA, 98201

































































