1990 Blue Seas 31 Hardtop CruiserSold
$99,500
Boat in Portland, ME 04101 US
31 Hardtop Cruiser
1 Engine (Cummins)
31 feet
Diesel
Fiberglass/Reinforced
MISS BOSS is truly a "must see to appreciate" cruiser we're offering.
Having spent much of its life on fresh water, she was purchased by a fastidious owner who really sorted things out nicely and left no component or system untouched, which resulted in a 31' Downeast Cruiser where form meets function perfectly.
The list of equipment and upgrades reads like no other on the market today: Cummins 210hp diesel, bow-thruster, upgraded navigation equipment, custom yacht-like teak interior finish, and much much more. Please read "Full Specs" for complete details.
- Awlgrip - Flag Blue hull
- Awlgrip - Sport White decks and super structure
- Bottom was soda-blasted and an epoxy based barrier coat was applied
- St. Couix Davit System - No Dinghy
- Fuel tanks replaced - 2017
- Replaced cutlass bearing 2025
- Replaced AC wiring and added Blue Seas AC/DC circuit breaker panel - 2011
- Added Xantrex 100A 2500W Inverter/Charger
- (3) New 12V lead acid batteries to run - windlass, bow-thruster, and engine start
- (4) 6V Golf Cart Batteries - 440A hours for house system
- All plumbing hoses were replaced - 2016
- All windows and ports were removed and rebedded - 2017
- Installed new forward Bomar hatch - 2018
- All engine/transmission hoses and connections replaced - 3,000hrs
- Complete engine survey performed by "Cummins Northeast" . Said to be in excellent condition - 3,100hrs
- Applied 3M UV blocking film to all salon windows - This is not window tint
- Garmin 7215 Touch Screen - Radar & GPS
- Garmin xHD Open Array Radar - 2018
- Garmin Auto-Pilot - Interfaced with Radar and GPS
- Raymarine 9" Hybrid Touch Screen Radar & GPS - 2016
- Raymarine Quantum Radar Dome - 2016
- Rayamrine ST60 - Speed & Depth
- Raymarine ST60 - Windspeed & Direction
- (2) Raymarine Camera's - Fwd on the bow and aft back-down camera
- Standard Horizon Matrix GX3000S with Distress and ram Mic in Cockpit and Hailer Horn
- Echo Max Radar Transponder & AIS
- Ritchie Binnacle Compass
- Stainless Steel Search Light
- (3) windshield wipers
- Saltwater washdown in cockpit and run hose forward to bow
- LED dome lights; courtesy lights; red & white LED chart lights
- Four electric bilge pumps; manual bilge pump
- Small Igloo cooler for cockpit
- Custom removable teak cockpit table
- 35 lb CQR anchor with 200' chain
- (3) electric automatic bilge pumps and 1 Edson emergency hand pump, accessible from cockpit (5 total pumps).
- Fenders; docklines
- Fire extinguishers
- Magma propane BBQ grill
- LPG tank in port locker
- Bass LPG solenoid control
- (2) Brazilian Cherry and Canvas deck chairs
- Screens for companionway door
- White Textaline windshield cover and white windshield cover; also, blue Sunbrella windshield cover
- Ocean Air screen and shade cover on forward hatch
- Accumulator tank for water pressure system
- Digital display water counter to monitor fresh water supply
Owner's Stateroom
- V-Berth with filler cushion
- Shelving outboard
- Storage lockers Below
- Custom 2" mattress topper
- Hanging locker
Main Salon
- All custom teak interior
- Large Seettee, converts to a double berth (New 2022)
- Large built-In cabinet with chart storage, (3) deep drawers, and 12V/120V Refrigerator
- Steering Station with built-in Capt seat
- Custom built-in companion seat
- Jenson HDTV (DC power) and HD TV antenna
- Fusion AM/FM/CD stereo with (6) speakers
Galley
- Portside lower galley with ample storage
- Force 10 LPG cooktop with oven
- Isotherm Cooling Plate
- Stainless steel sink with new Moen faucet
Head
- Spacious enclosed head
- Stainless steel sink with hot & cold pressure water
- New Moen faucet and shower head
- Cockpit controls and hydraulic steering on starboard side of cockpit
- Fiberglass swim platform with stainless steel ladder below
- Sunbrella cockpit bimini top
- Stainless steel handrails
- Lewmar electric windlass
- Cummins 6BT5.9, 210 hp diesel, FWC, with 3,450 hours
- Two Racor 500 fuel filters with 5 micron filters
- Custom Algae-X polishing system (completely independent of fuel manifold system); Racor 1000 filter with 10 micron filter
- Kobelt controls
- Stainless steel shaft
- PSS dripless shaft seal
- Fully insulated and custom made engine hatches
- 11.5-12 knots @ 2400 RPM
- Maximum speed: 14 knots @ 2600 RPM
- Vetus Bow Thruster
- 12V DC & 110V AC electrical systems
- 50' 30 amp shore power cord
- Blue Seas AC/DC circuit breaker panels
- 110V air conditioning in both cabins
- Bus heater runs off engine cooling system
- Xantrex 100 amp 2500w inverter/charger
- Three 12V lead acid batteries to run windlass, bow thruster and engine start
- 4-6V golf cart batteries- 440 amp hours for house system
- 6 gallon hot water heater, off 110V or off the engine
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.
Price History
| Date | Event | Price |
|---|---|---|
| 9/12/25 | Price decreased | $99,500(-22.9%) |
| 6/28/25 | Initial price | $129,000 |
Overview from around the web 1990 Blue Seas 31 Hardtop Cruiser
Customers appreciate the 1990 Blue Seas 31 Hardtop Cruiser for its solid construction and reliable performance
Many highlight its spacious and comfortable cabin layout, making it ideal for weekend getaways and extended cruises. The hardtop design offers excellent protection from the elements while maintaining good visibility. Owners often mention the boat's stable handling and ease of maneuverability, which contribute to a confident and enjoyable boating experience. Overall, the 1990 Blue Seas 31 Hardtop Cruiser is praised for combining functionality with classic styling, making it a favored choice among boating enthusiasts.
The Biggest Pros and Cons
The 1990 Blue Seas 31 Hardtop Cruiser offers a blend of classic design and practical features, making it a popular choice for boating enthusiasts. Here are some pros and cons to consider:
Pros
Sturdy Construction: Built with durable materials, the Blue Seas 31 is known for its solid build quality, providing confidence in various water conditions.
Hardtop Design: The hardtop offers excellent protection from the elements, allowing for comfortable cruising in different weather.
Spacious Layout: With a well-designed interior and cockpit, the boat provides ample space for passengers and gear, ideal for day trips or short overnight stays.
Versatile Use: Suitable for fishing, cruising, and family outings, making it a versatile option.
Classic Aesthetic: The timeless styling appeals to those who appreciate traditional boat designs.
Cons
Age-Related Wear: Being a 1990 model, some components may require maintenance or upgrades due to age.
Engine Efficiency: Older engines might not be as fuel-efficient or environmentally friendly compared to modern counterparts.
Limited Modern Amenities: Lacks some of the latest technology and convenience features found in newer boats.
Weight: The solid construction can result in a heavier boat, which may affect fuel consumption and trailering ease.
Made For
The 1990 Blue Seas 31 Hardtop Cruiser is ideal for boating enthusiasts who seek a versatile and reliable vessel for both leisurely day cruises and extended weekend trips. Its sturdy design and comfortable hardtop make it perfect for families or small groups looking to enjoy fishing, coastal cruising, or exploring inland waterways with protection from the elements. Whether you're a seasoned sailor or a casual boater, this cruiser offers a great balance of functionality, comfort, and durability.
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Meet the Broker

Address
Boat Location
Contact DiMillo's Yacht Sales about 1990 Blue Seas 31 Hardtop Cruiser
One Long Wharf, Portland, ME, 04101
Contact DiMillo's Yacht Sales
One Long Wharf, Portland, ME, 04101
























































