1998 Mainship 350
“Slow Ya Roll”
Description
Power Boat Guide: "A huge success, the Mainship 350 Trawler is an economical low maintenance coastal cruiser with classic trawler lines and a good turn of speed. Considered a "performance trawler" the Mainship rides on a semi-displaced hull capable of higher speeds than full displaced trawlers. Stepping inside from the covered aft deck, large wraparound windows provide lots of natural light in the saloon and excellent visibility from the lower helm". Slow Ya Roll features comfortable seating for a couple to starboard in the salon and a L-shaped galley with refrigerator/freezer, Corian counters forward and entertainment/storage aft to port. A teak and holly is attractive and functional, and a sliding door at the lower helm provides easy access to the deck. There are two staterooms with a queen island berth forward (6'4" headroom) with two lockers, drawers under the berth and a double guest berth. The head features 6'4" headroom and a separate shower. The molded in steps provide easy bridge deck/flybridge access from the aft cockpit. The flybridge will be the likely choice for entertaining which features plentiful seating, dinning and expansive views with large canvas coverage for weather protection. The upper helm provides four conner visibility, electronics for navigation and with both bow and stern thrusters the boat is easily handed in tight quarters. Lastly, powered by a single Caterpillar 3116 300 HP diesel engine, she has the power to reach 14 knots and is most efficient at 8 knots. Slow Ya Roll will tick the box for many Great Loop enthusiast, coastal cruiser, and those who enjoy entertaining in comfort.
Dunigan Marine Group is pleased to assist you in the purchase of this vessel. This boat is centrally listed by Murray Yacht Sales. 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
Highlights
- New (3/2026) Stern Thruster
- New Bottom Paint (3/2026)
Key Specifications
Weight & Measurements
Accommodation
Tankage
Registration & Documentation
Generators
Full Details
Mainship Accommodations
Layout:
The swim platform features secure dinghy davits, a swim ladder and easy access point to the cockpit via the transom door. The aft cockpit is large with plentiful storage, a full hardtop for weather protection, molded in stairway to the flybridge and a sliding door to enter main salon (all one level). The side decks are wide providing comfortable access to the forward area of the vessel. Once in the main salon, there is a L-shaped galley to port, lower helm to starboard, seating/dinning to aft starboard and entertainment/storage to aft port. Berths can be accessed forward through the companionway to owners queen island, guest quarters, and head. The flybridge features a large open deck, bench seating port and starboard with a foldout table between and a single captains chair at the flybridge helm. Engine and mechanical spaces can accessed through a large hatch in the saloon and cockpit lazarette.
Main Cabin:
The 14.2 beam provides a large open salon, galley, helm area w/ 6' 6" height clearance. The sole was replaced (2017) with Allure Teak Resilient Plan flooring. Hinged panels in the sole provide access to the engine and mechanical space. The electrical panel is located just inside the cockpit sliding door aft to the port side. Large windows surround the main cabin with ventilation provided by starboard helm swing door, center panel windshield opening and large cockpit sliding door. There are two free standing chairs with matching ottomans (2017) to starboard and an entertainment center with a flat screen TV to port that can be hinged up out of the way. Grab rails are mounting on the salon ceiling.
Master Cabin:
The master cabin is located forward in the bow with 6' 4" height. There is a queen island berth centerline with walk around access, reading lights, courtesy lights under bed storage drawers, and hanging lockers to port and starboard. There is a private entrance to the head and the sole is carpeted on the steps and laminate on the access. There are two port lights and an overhead hatch providing natural light and airflow. The mattress was replaced with a 7' custom mattress (2018) and addition storage can be found under the mattress.
Mainship Head:
The bright and modern head features a freshwater VacuFlush toilet (2025), molded vanity sink, with storage cabinet and large mirror over the vanity. The large shower stall with 6' 6" height, has glass accordion doors with wall mounted shower head. A portlight and over head hatch with solar fan provide natural light and ventilation. There is a plastic holding tank with macerator.
Galley:
- Corian counters, Princess three burner electric stove and oven
- Nova Kool three quarter height refrigerator, with separate freezer
- 12V/120 GE Microwave oven
- Cabinets with pullout racks for storage
- Mounted spice rack
- Mounted coffee mug rack
- Mounted plate storage
- Mounted knife rack
- Removable Corian sink cover
Deck and Hull:
The flybridge is enclosed with a navy blue Sunbrella Bimini top eisenglass front window and nave blue mesh screen on 3 sides (02/2017). There are two large bench style seats on either side of the flybridge with backrest that can turn into chaise lounges with snap on covers. There is storage under and behind benches and a foldup table in the center that can be used as a dinette. A single Pompanette captains chairs (2018) is centered at the flybridge helm. The helm has a weather protection Sunbrella cover.
Mainship 350 Electrical
- 8 kw Onan Generator w/ 1057 hrs
- 12vcd / 110 vac power system
- 30 amp show power connections
- 2 - 50' 30 amp show power cords
- 50 amp splitter
Mainship Electronics:
- Garmin GPS 741xs
- Standard Horizon Eclips DSC+
- VHF marine radio
- VDO System Gauges
- Remote Control for bow and stern thrusters
- Trim tab controls
Upper
- Garmin 8212
- Garmin AIS600 Transceiver
- Garmin GXM52 Sirius Marine Transceiver
- Garmin B60 Transducer with Temperture for 8212 and 741X
- Garmin GMR24xHD Radar
- Garmin GSD22 Sounder Sonar
- Standard Horizon Eclipse DCS+VHF
- Yacht Thruster bow and Stern control
- VDO System Gauges
- Rule Highwater Alarm
- Battery Monitor BM-1
- 12V electrical outlets
- Simrad AP-11 Autopilot
- Windlass control
- Saturn AquaMeter Compass
- Raymarine Tridata (IO)
Misc
- Kisae DC/AC 2000W SineWave Inverter
- Island Time Marina WiFi System with Wireless router
Mainship 350 Engine and Mechanical Equipment
- Single Caterpillar 3116 300 hp marine diesel engine (3750 hrs)
- ZF gearbox
- Racor diesel fuel filter with (new) vacuum gauge
- Bow Thruster 5hp
- SidePower Stern Thruster (IO)
- Oil exchanger system
- 2 - D starting and house batteries (2024)
- 2 - Air Marine Systems (forward new 2024) 16,000 BTU air conditioners model VCP16
- 8 Gallon water heater (new 4/2020)
Mainship 350 Deck Equipment
- West Marine 10' RIB dinghy w/ cover
- Tohatsu MFS6CDS 6hp short shaft 4 stroke (4/2017
- Bow pulpit
- Delta main anchor with snubber and 230' chain
- Spare Delta anchor
- Spare Danforth anchor
- Lofrans Project capstan with foot switch steel deck fittings
- Safety rails and stainless steel deck fittings
- Freshwater washdown on bow and stern
Mainship 350 Fire and Safety Equipment
- Halon fire suppression system
- Portable fire extinguishers
- 2 - Carbon monoxide detectors (new 10/2019)
- Lifesling Life jackets
- Electric Horn
Maintenance and Repairs
2022
- Air Condition Water Pump Relaced
- Forward Webasto Air Conditioner Replaced
- Rebuilt Oil Exchanger Pump Impeller
- Oil Change and Filters Replaced
- Replaced Solar Head Vent & Light
2023
- Replaced all Bilge Pumps
- Installed Remote Spotlight on Bow
- Replaced Forward Above Water Line Through Hull Fitting
- Replaced All Engine and Transmission Zincs
- Installed Freshwater Accumulator
2024
- All Batteries Replaced - House (2) D-Series, (1) Starting, (1) Dinghy Crane, and (1) Thruster
- Dinghy Motor Serviced - Impeller, Plug, Fuel Filter
- Diesel Engine Alternator and Drive Belts Replaced
- Engine Starter Rebuilt
- Diesel Engine Turbo Aftercooler Removed, Cleaned, Pressure Tested and Replaced
- Valve Lash and Injector Time Adjusted
2025
- Heat-exchanger and Trascooler Boil Clean Pressure Tested
- Replaced Y Pipe
- O-Ring Replaced
- Antifreeze
- Belts Tensioner & Air Filter
- Racor Engine Fuel Filter Changed
- Engine Oil and Filter Change
- New Flybridge Helm Seat
- VaccuFlush Unit Replaced
Listing MLS by Yachtr.com
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