Name: 1999 Mainship 350
Brand: Mainship
Price: 119500 USD
Availability: InStock

Description

The Mainship 350 trawler (later called the 390) is one of the few built in the U.S.A, is very popular for extended cruising, and the Great Loop. This particular 350/390 has successfully done the Great Loop twice, and ready for her next adventure. Her desirable features include: single Caterpillar Diesel with bow thruster, updated radar/plotter, electric anchor windlass, high gloss gelcoat, tall Bimini, and so much more. A popular coastal cruiser built on a modified-V, semi-displacement hull. It features a spacious interior with two staterooms and a single head with a separate shower, a large flybridge, and walk-around side decks. Well maintained by experienced yachtsmen owners.

Dunigan Marine Group is pleased to assist you in the purchase of this vessel. This boat is centrally listed by Irish Boat Shop. It is offered as a convenience by this broker/dealer to its clients and is not intended to convey direct representation of a particular vessel

Overview

This 1999 Mainship 350 trawler is available for sale at $119,500. This vessel is 34.75ft in length overall with a Caterpillar inboard. Accommodations include 2 cabins and 1 head. A used Mainship 350/390 is perfect for overnight cruising and day cruising. This vessel is located in Harbor Springs, MI.

Key Specifications

LOA39' 9"

Beam14' 2"

Draft Max3' 8"

Bridge Clearance18' 8"

TypePower

Hull MaterialFiberglass

FuelDiesel

Weight & Measurements

Dry Weight22,000 lbs

Accommodation

Cabins2

Heads1

Tankage

Fuel300 gal

Water130 gal

Holding30 gal

Registration & Documentation

Reg #MPTHB099E899

Title #1072480

Listed2026-01-22T00:00:00+00:00

Engines

Caterpillar 3116TInboard

MakeCaterpillar

Model3116T

TypeInboard

Fuel TypeDiesel

Power300 HP

Year1999

Hours3,839

LocationMiddle

Drive TypeDirect

Generators

Northern Lights

MakeNorthern Lights

Power6 KW

Hours353

Full Details

Sellers Note

M/V Passport 1999 Mainship 350/390: The boat was commissioned in Marquette, MI and has been in fresh water except for two Great Loops, one in 2011/2012 and one in 2023/2024. We are the third owners and have owned since late 2019. She has been carefully maintained with complete records available including annual fluid sample analysis.

Galley

Refrigerator with separate freezer
Princess 3 burner propane stove with oven
G.E. microwave (built in)
Complete hot (engine heat exchanger and 110 volt)
Corian counter tops

Electronics

Garmin XSV radar/plotter (2022)
Raypilot 650 autopilot
Raytheon Tri-Data (knot/log, depth sounder)
Standard Horizon Matrix VHF radio
AIS transceiver (2022)
Flow Scan
Ritchie compass

Electrical System

Northern Lights 6 Kw generator with factory "sound box"; 353 hours
Batteries (3, new)
Automatic battery charger
Shore power inlets, both forward and aft
Shore power cords

Mechanical Equipment and Engine Details

Side Power bow thruster (both helms)
Marine Air two zone air conditioning
Bennett trim tabs
High water bilge alarm
Propane and CO2 detectors
Fuel fills both port and starboard (midship)

Hull and Deck

Lewmar electric windlass (chain gypsy and rope drum) with foredeck controls, anchor washdown, Rocna Vulcan 55# anchor (with 180' all chain rode) Danforth anchor (180' rope/chain rode)
Flybridge centerline swivel helm seat, bench seating on both sides, fixed centerline table with leaves and storage, radar mast, dunnage box, folding chairs (2), grill
Curved stairs to the bridge
Wide walkway forward with tall bulwarks
Bimini top with full enclosure, weather cloths, navy blue canvas
Dinghy davits
Life Sling
Transom door
Transom shower
Windshield white screen

Upgrades and Extras

Garmin GPSMAP 10X 2 SVX plotter and GMR Phantom 18 radar 2022
AIS. 2022
Bilge alarms upper and lower 2023
25 kg (55 lb) Rocna Vulcan anchor 2022 (180’ chain)
Custom mast hinge 2022
Upper deck core repair
LED lighting in salon and NAV lights
Fluid analysis every year
3k engine maintenance 9/24
Oil change always before recommended
Fluid changes every year
Flush coolant 3/25
Replace impeller 3/25
Replace engine zincs 9/24
Service thruster 3/24
Replace thruster, trim tabs, stern zincs 3/25
Swim platform redone 2023
Bottom paint 5/2022
Touch up bottom paint 2023, 2025
Replace all 12v fans inside
New weather station (lower) and mast-mounted sensor 3/25
Removed coffee maker/ replaced with cabinet door for extra storage (original coffee maker available)
Replaced heater element, thermostat and high temp switch in water heater
New fresh water pump 7/2025
New 110 outlet in salon ‘24
Added USB/ cigarette lighter charging station upper helm
Custom bilge pump brackets to facilitate inspection and cleaning
Seafire engine fire suppression system
Hailing horn 2023
New batteries 2025
Refinished salon table 2023
New black water guage 2024
Hinged mast

Disclaimer

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.

Listing MLS by Yachtr.com