1978 Mainship 34

$21,900

Used

Boat in Plymouth, MA 02360 US

builtBuilt in 1978
Year the boat was built
model

34

Boat model
engine

1 Engine (Yanmar)

Engine type and count
length

34 feet

Overall boat length
fuel

Diesel

Fuel type
material

Fiberglass/Reinforced

Hull material
Nominal Length
34ft
Length Overall
34ft
Beam
11.92ft
Max Bridge Clearance
13.5ft
Dry Weight
14000lb
Cruising Speed
10.43kn
Max Speed
13.9kn
Cabins
1
Max Passengers
6
Fresh Water Tanks
40gal
Fuel Tanks
220gal
Hull Material
fiberglass
Engine 1
Engine Make
Yanmar
Engine Model
6LP-DTE
Total Power
260hp
Engine Type
Inboard
Fuel Type
diesel
Engine Year
1999
Drive Type
direct
Propeller Material
bronze
Anchor Line And Chocks
Bridge Seating
Cockpit Boarding Ladder
Cockpit Courtesy Lights
Console/deck Cover
Fold Down Seats
Non Skid Deck
Rope Deck Pipe
Rope Locker
Signal Mast & Spreader
Swim Platform
Windshield Sunscreen
Windshield Wipers
120v Stove / Oven
Carpet Throughout
Curtains
Engel Freezer
Engel Refrigerator
Forward Hatch W/ Screen
Hanging Locker & Drawer
Hi Lo Table
Marine Sanitation System
Service Bar
Shower
Sink W/ Vanity And Mirror
Sound Insulation
Upholstered Swivel Chair
U Shaped Galey
Window Screens
110v Ac Dockside System
12 V Lights
12v Battery And Switches
6v Golf Cart Batteries
Battery Selector Switch
Circuit Breakers 120v
Electric Fuel Gauge
4 Blade Bronze Propeller
Bronze Shaft & Rudder
Dual Engine Controls
High Water Alarm
Salt Water Washdown Pump
Traditional Stuffing Box
Engine Alarm System
Navigation Lights
Bell
Horn
Type I V P. F. D
Bottom Paint Antifouling
Tagline
Vintage Charm, Modern Power- travel the coast with confidence and embark on unforgettable journeys with the 1978 Mainship 34
Condition detail
Expected condition for its age but you can see it was well taken care of by its previous owner. Could use deep cleaning and repainting on the exterior. All equipment is in good working condition. Radar, GPS/plotter/depth sounder added 2011. Engine and hydraulic steering were replaced 2001

Price History

DateEventPrice
1/26/26Price increased$21,900(+37.7%)
8/18/25Price decreased$15,900(-42.2%)
6/16/25Initial price$27,500

Overview from around the web 1978 Mainship 34

The 1978 Mainship 34 has garnered positive feedback from boat enthusiasts and owners alike, often praised for its classic design and practical features

Customers frequently highlight the spacious interior, which offers a comfortable living space with ample headroom, making it ideal for extended stays on the water. Many appreciate the efficiency of its inboard engine, which provides a reliable cruising experience without compromising on fuel economy. The boat's solid construction and seaworthiness are also commonly mentioned, giving owners the confidence to embark on various adventures, whether it's a weekend getaway or a longer voyage. Additionally, the Mainship 34's layout is often considered user-friendly, with easy access to the helm and well-designed accommodations that cater to both relaxation and functionality. Owners value the versatility of this model, as it can serve as a cozy liveaboard or a capable cruiser for family and friends. Overall, the 1978 Mainship 34 is well-regarded for its blend of comfort, performance, and classic style, making it a beloved choice among boating aficionados.

The Biggest Pros and Cons

Pros

Spacious Interior: The Mainship 34 boasts a roomy cabin layout, providing ample space for relaxation and entertaining. It often features a V-berth and convertible dinette, making it ideal for weekend getaways. 2. Stable Performance: Known for its stability, the Mainship 34 performs well in various sea conditions, making it a reliable choice for both novice and experienced boaters. 3. Fuel Efficiency: With its relatively low horsepower engine options, this boat is designed for fuel efficiency, allowing for longer journeys without frequent refueling stops. 4. Classic Design: The 1978 Mainship 34 features a timeless aesthetic that appeals to many boat enthusiasts. Its classic lines and traditional styling make it a standout on the water. 5. Affordable Entry-Level Cruiser: As an entry-level cruiser, the Mainship 34 offers an affordable way to experience boating, making it a popular choice for those new to the maritime lifestyle. 6. Good Storage Options: The boat typically includes various storage compartments, allowing owners to stow away gear and supplies conveniently.

Cons

Older Technology: Being a vintage model, the Mainship 34 may lack some modern amenities and advancements found in newer vessels, such as updated navigation systems and energy-efficient appliances. 2. Maintenance Requirements: Older boats can require more frequent maintenance and repairs. Potential buyers should be prepared for the upkeep that comes with a boat of this age. 3. Limited Speed: While the Mainship 34 is known for its stability, it may not be the fastest boat on the water, which could be a consideration for those looking for speed. 4. Potential for Wear and Tear: Depending on the previous owner’s care and usage, the boat may show signs of wear and tear, which could necessitate additional investment in repairs or upgrades. 5. Narrow Beam: The boat’s beam is narrower compared to some modern cruisers, which may limit its stability in rough waters, particularly when loaded with passengers or gear. 6. Availability of Parts: Finding replacement parts for older models can sometimes be challenging, requiring creativity or additional research to locate the necessary components.

Made For

The 1978 Mainship 34 is an ideal choice for a variety of boating enthusiasts. This classic vessel is perfect for those who seek a blend of comfort, performance, and versatility on the water. Whether you are a seasoned boater looking for a reliable cruiser to explore coastal waters or a newcomer eager to experience the joys of yachting, the Mainship 34 caters to your needs. With its spacious layout, it’s well-suited for families or small groups, providing ample room for relaxation and entertainment. The boat’s efficient design makes it a great option for weekend getaways or longer voyages, allowing you to enjoy the charm of leisurely cruising while having the capability for more adventurous excursions. Its sturdy construction and dependable engine make it a dependable choice for both inland and offshore adventures. In summary, the 1978 Mainship 34 is perfect for anyone looking for a classic, comfortable, and versatile boat that promises memorable experiences on the water.

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5717 Bessie Drive, Sarasota, FL, 34233

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Sarasota, FL 34233

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