1999 Mainship 350 Trawler Seaglass
|Moore Haven, FL
$139,000
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1999 Mainship 350 Trawler – Seaglass
The 1999 Mainship 350 Trawler “Seaglass” is a highly sought-after single-diesel cruising trawler offering efficiency, comfort, and easy handling. Powered by a dependable 300hp Caterpillar 3116, she delivers economical cruising performance, paired with a Kohler 8kW generator (1,215 hrs) for extended stays aboard.
Designed for Great Loop cruising, coastal passages, or comfortable liveaboard life, this 350 features dual-zone reverse-cycle air conditioning (16k & 12k BTU), a spacious salon with cherry interior, a fully equipped galley with Corian counters, and a private master stateroom with island berth. The guest cabin with twin berths and a separate enclosed shower make her ideal for cruising couples or small families.
Her flybridge is fully protected with a Stamoid Bimini and full Strataglass enclosure, and docking is simplified with a Side-Power bow thruster. Updated electronics include a Raymarine Axiom RV9 touchscreen MFD with Quantum radar, VHF with RAM mic, and full upper and lower helm stations.
Well-equipped, well-maintained, and loaded with factory options, Seaglass represents an outstanding value in the 35’ cruising trawler market.
Highlights
Single 300hp Caterpillar 3116 diesel
Kohler 8kW generator (1,215 hrs)
Dual-zone A/C with reverse cycle heat
Raymarine Axiom RV9 + Quantum Radar
Side-Power 4HP bow thruster
Upper & lower helms
Full Strataglass enclosure (2020)
Oil X-Change-R system
Cherry interior, updated salon furniture (2022)
Windlass & dual anchors
Racor fuel polishing system
Excellent Great Loop candidate
Disclaimer
We provide this yacht listing in good faith, and although we cannot guarantee its accuracy or the condition of the boat. The South Jersey Yacht Sales - CCM is pleased to assist you in the purchase of this vessel. This boat is centrally listed by American Yachts. She is subject to prior sale, price change, or withdrawal without notice and does not imply a direct representation of a specific yacht for sale.
MANUFACTURER: Mainship
BOAT TYPE: Trawlers
MODEL: 350 Trawler
HULL MATERIAL: Fiberglass
YEAR: 1999
CATEGORY: Power
BEAM: 14.17 ft
LENGTH: 35 / 10.67 m
DRY WEIGHT: N/A
ENGINE 1
MAKE: Caterpillar
MODEL: 3116
FUEL: diesel
POWER: 300 HP
TYPE: Inboard
HOURS: 1875
LOCATION: Center
DRIVE: Direct
PROPELLER TYPE: N/A
YEAR:
FUEL TANK CAPACITY: 300 gallons
FUEL TANK COUNT: 1
WATER TANK CAPACITY: 130 gallons
WATER TANK COUNT: 1
HOLDING TANK CAPACITY: 30 gallons
HOLDING TANK COUNT: 1
February 2026
- New Battery Charger
- New Bilge Pump
- New Windshield Canvas
- New Bow Thruster Motor, Cables, Joystick Control
January 2026
- Paint Swim Platform
- New Carbon Monoxide Monitor
- New Fire Extinguisher
December 2025
- New Windlass Cables
- Service Lower Helm Hydraulic Fluid
November 2025
- Bottom Paint
- Repack Packing Gland
- Oil & Filters on Engine and Generator
- Transmission Fluid Change
- New Batteries (5) Total
2024
- Serviced Fuel Filters
- Serviced Oil X-Chang-R System
2023
- Backup Camera
- Replaced Bow Thruster Propellor
2022
- Replaced Cutlass Bearing
- Replaced Water Pump Impeller
- Dual Zone Air Conditioning with Reverse Cycle Heat
- Kohler Generator, 8kW Diesel with 1215hrs
- Spotlight with Remote
- Windlass
- Oil X-Change-R System
Salon
- 16K BTU Air Conditioning System
- Cherry Interior
- Color Television, Wired for Cable
- New Salon Furniture, Chairs and Table (2022)
- LED Lights
- Full Windshield with Wipers
- Interior Lighting
- Large Sliding Door to Cockpit with Screen
- Lower Station with Full Instrumentation
- Opening Center Window
- Sliding Windows with Screens
- Stereo System with CD
- Flat Screen TV
- Phifertex Salon window covers with Heat Barrier Panels
Galley
- Corian Counters
- Portable Frigidaire Ice Maker (2021)
- Designer Faucet (2022)
- Dish/Cup Locker
- Full-Size NovaKool Refrigerator/Freezer, AC/DC
- Oversize Galley Sink with Cutting Board
- Overhead Cabinets
- Princess (3) Burner Range with Oven
- Microwave
- LED Lights
- Under-Counter Storage
Master Stateroom
- Center Island Bed with Inner Spring Mattress
- 12k BTU Air Conditioning System
- Cedar-Lined Wardrobe Locker (2)
- Drawers Under Berth
- LED Lights
- High Intensity Reading Lights (2)
- Mirror
- Opening Hatch with Sunshade
- Opening, Screened Stainless Steel Portlights
- Gas Shock added to Under Mattresses storage locker
Guest Stateroom
- Wardrobe Locker
- High Intensity Reading Lights (2)
- Opening Hatch with Sunshade
- Opening, Screened Stainless Steel Portlight
- Storage Drawers
- Two Single Berths with High Density Foam Mattresses
Head
- All Molded Fiberglass Head – Durable and Easy to Clean
- Built-in Vanity
- Electric Head
- Mirror
- Opening Hatch with Sunshade
- Opening, Screened Stainless Steel Portlight
- Separate Enclosed Shower
- Waste Tank Monitor
- Raymarine Quantum Q24D 24mile Dome Radar
Upper Helm
- Raymarine RV9 Axiom Touchscreen Display GPS/Chart/Depth/Fish Finder/Radar
- Side Power Bow Thruster Control
- ACR Spot Light Control
- Kenwood Stereo with 6 Speakers
- Standard Horizon Explorer Marine VHF with GPS
- Saturn Compass
Lower Helm
- VHF Ram Mic Ram4 with Intercom
- Side Power Bow Thruster Control
- AutoHelm Tridata Display Depth/Speed/Trip
- Saturn Compass
- (4) Batteries 500amp hour capacity
- 50amp Battery Charger
- AC/DC Converter
- 50 amp Battery Safety Switches
- AC and DC Control Panel
- (2) 50ft, 30amp Shore Power Cords (2) – Fwd and Aft Connections
- Bonding System with Transom-Mounted Zinc Anode
- Circuit Breakers (AC/DC)
- Color-Coded Wiring Harnesses
- Electric Bilge Pumps with Auto Switch (3)
- GFCI Protection Throughout
- Interior Lights
- Macerator with Overboard Discharge
- Reverse Polarity Indicator
- Water Heater
- Stamoid Bimini Top with Complete Strataglass Enclosure (2020)
- Magna Grill in Cockpit with Cover
- Anchor Pulpit with Roller
- (2) SuperMax Anchors
- Sunbella Covers for Flybridge Seats and Instruments
- Cable TV/Telephone Connection
- Cleats – (2) Bow, (2) Spring, and (2) Stern
- Courtesy Lights – Cockpit, Bridge, and Deck
- Cockpit Storage
- Flybridge Seating for 6+
- Folding Table on Bridge
- High Density Rub Rail with Stainless Steel Insert
- Low Profile Bow Rail – Custom Aluminum
- Molded Steps and Walkway to Bridge
- Molded Swim Platform with Ladder
- Split Compartment Anchor Locker
- Safety Rails – Custom Aluminum
- Sampson Post
- Sliding Companionway Door
- Swim Platform Shower – Freshwater
- Venturi Windshield
- Bronze Strut and Rudder
- (3) Bilge Pumps
- 4HP Side Power Bow Thruster
- Racor 900 FG Fuel Polishing System with Water Detector
- Engine Alarm System
- Halon System
- Freshwater Cooling on Engine
- Fuel Filters
- Hot and Cold Pressurized Water
- Hydraulic Steering
- Sea Strainer(s)
- Seacocks on Underwater Thru-Hull Fittings
- Stainless Steel Shaft – Aquamet
- Trim Tabs
- Welded Aluminum Fuel Tanks
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.
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