2004 Gemini 105MC
$79,999
$5,000
Boat in Kemah, TX 77565 US
Built in 2004
105MC
1 Engine (Westerbeke)
33.5 feet
Diesel
Fiberglass/Reinforced
From BlueWaterBoats.org:
After a 2008 Pacific crossing, the owner of a Gemini exclaimed, "the catamaran hull performs flawlessly in open blue water as well as the light winds of the Kona coast ... the forward stateroom is queen sized .. the main cabin seats six ... plenty of height in the full head with shower." Great sailing and lots of living space - what's not to like?
The Gemini is the most popular cruising catamaran in the world with more than 1000 hulls manufactured over nearly 30 years. While most of those hulls are in service as coastal cruisers, many have crossed the oceans. In 2001 the owner, designer and builder of the Gemini catamaran series, Tony Smith, sailed a new Gemini 105Mc across the Atlantic Ocean for a delivery to Southampton, England topping out at 18 knots of speed (surfing down the face of heavy seas). Many more of these adventures are chronicled in the Gemini Gems magazine (print and electronic versions) or the very active Gemini Yahoo forum.
A large cockpit with wheel steering and plenty of room for an afternoon picnic greets the sailor ascending the aft stairs. A generous, hard foredeck is surrounded by a stainless pulpit for the entire bow and lifelines running along the somewhat narrow side decks. With only about 8000 pounds of displacement, the anchor chain and rode need not be overly heavy. Sailing a boat with such light displacement across the ocean requires careful consideration of heeling angles and reefing. Anything above seven degrees of heel means it's time to reduce sail.
Returning to the cockpit allows the sailor access to the interior. Starting at the same level as the cockpit sole, immediately one is greeted by a salon table that comfortably seats four and even eight in a squeeze. Descending a few steps to the left and moving forward is found the head and shower. Hot water is provided by a propane driven instant heater, like an RV or many European homes. The big advantage is that if you have water in the two 35 gallon fresh water tanks, then you can have hot water.
In the aft part of both hulls are two berths. The master cabin is in the starboard hull forward, featuring a queen sized bed. There is a tremendous amount of storage for dry goods in the galley and a propane driven refrigerator (using the ammonia cycle instead of a compressor).
The Gemini is mainly driven by the roller furled genoa and somewhat small main, though many sailors add screechers, asymmetrical spinnakers and jibs to their sail lockers. Each hull has a cable driven, hand-cranked centerboard that can be completely tucked into a trunk in the hull, reducing the draft (assuming the rudders are likewise raised), or dropped three feet into the water, dramatically improving upwind performance. While most sailing and motoring can be accomplished with both boards let half-way down, the ability to adjust the boards to wind, current, sailing or anchoring conditions is one of the Gem's great strengths.
The 105 and 105MC are driven by a 27 HP Westerbeke diesel engine driving a Sillette tilting saildrive. The saildrive is often a source of concern and maintenance is critical on the bellows.
ACCOMODATIONS
- Layout: Three Cabins / One Head Layout, see attached drawing
- Air Conditioning: Dometic 16,000 btu reverse cycle with digital controls
- Micro Air Easy Start for the Air Conditioner.
- Fans: Yes, 12v
- Ports: Yes
- Hatches: Yes
- Cabin Sole: No maintenance, synthetic laminate
- Dinette Table: Convertible dinette table
- Settee(s): U-shaped dinette seating
- Cushions: Green
- Master Cabin: Forward, 4” mattress with 3” Memory Foam
- Guest Cabins: (2) Aft Cabins
- Headroom: 6’
- Head: Manual head, sink & shower
GALLEY
- Stove/Oven: Propane stove & oven
- Refrigeration: Dometic RM2451 with freezer, 110v/propane
- Microwave Oven
- Sink: Double stainless steel
- Water: Hot and Cold Pressure water
- Cabinets: Yes
- Propane Tank(s): (2) Aluminum tanks
ELECTRONICS
- Plotter: Garmin GPSmap 740s
- Autopilot: Raymarine with Updated Controller
- Speed/Depth: Raymarine ST60
- Wind: Raymarine ST60
- VHF: Raymarine Ray53 DSC VHF
- Stereo: Sony SDX-CA710X Receiver
ELECTRICAL
- 12v system: Yes
- 110v system: Yes
- Battery Charger: Guest 10Amp 2025
- Batteries:
- Shore Power: 30amp service
- Solar Panels, 2.
- Morning Star SunSaver Solar Controller
- Interior Lights: 12v upgraded to LED
- Nav Lights: 12v
- 12v Outlet(s): Multiple
SAILS & RIGGING
- Main: Dacron, fully battened, 2004
- Genoa: Dacron, roller furling, 2004
- Spinnaker: Screecher with Schaffer roller furling
- Mast: Deck stepped
- Running Rigging Updated in 2025: Mainsheet, Genoa Sheets, Rudder lifting Lines, Hammock Lacing Line.
- Primary Winches: (2) Lewmar #40 self-tailing winches
- Halyard Winch: (2) Lewmar #7 mast winches
- Bow track: Slight bend on port side
- Mast Height: 48'
DECK & HULL
- Hull Color: White
- Deck Color: White, Repainted in 2018 with Awlcraft, the non-skid is Awlgrip
- Draft: Centerboards, 1.5’ to 5.5’ draft
- Rudder: Twin rudders, retractable
- Canvas: Hard top
- Full Enclosure with Clear Vinyl and Screens. (In Storage)
- Cockpit Cushions
- Bench seat for Helm (In Storage)
- Aft Hammock Seat
- Swim Platform: Yes with swim ladder
- Anchor: Danforth Style with chain and rode
- Dinghy Davits
- Dinghy: 10'6" Achilles Dinghy - Roll up with aluminum floor (in storage)
- Outboard: Tohatsu 9.9 Two Stroke (in Storage)
- Radar Reflector
- Locker(s): Cockpit, deck and anchor lockers
MECHANICAL
- Engine: Westerbeke 30B3 27hp with 540 hrs.
- Air Conditioning: Dometic 16,000 btu reverse cycle with digital controls
- Micro Air Easy Start for the Air Conditioner.
- Steering: Wheel
- Water Heater
- Head: Manual
- SCAD Solo Tank Monitor, Sensor & Empty Alarm
- Bermad S2009 Type-MTA freshwater pressure regulator
- Extensive List of Spare parts
The asking price accounts for the following systems that are inoperable or in need of attention:
- Drive Leg hold down inoperable
- A few small leaks around windshield
Engine and generator hours are as of the date of the original listing and are a representation of what the listing broker is told by the owner and/or actual reading of the engine hour meters. The broker cannot guarantee the true hours. It is the responsibility of the purchaser and/or his agent to verify engine hours, warranties implied or otherwise and major overhauls as well as all other representations noted on the listing brochure.
Price History
| Date | Event | Price |
|---|---|---|
| 2/18/26 | Price decreased | $79,999(-5.9%) |
| 12/19/25 | Price decreased | $84,999(-1.2%) |
| 12/10/25 | Price decreased | $85,999(-1.1%) |
| 12/3/25 | Price decreased | $86,999(-1.1%) |
| 11/26/25 | Price decreased | $87,999(-1.1%) |
| 11/20/25 | Price decreased | $88,999(-1.1%) |
| 11/13/25 | Price decreased | $89,999(-5.3%) |
| 5/30/25 | Initial price | $95,000 |
2004 Gemini 105MC Video Tours
Overview from around the web 2004 Gemini 105MC
Customers praise the 2004 Gemini 105MC for its exceptional performance as a trailerable catamaran
Many highlight its spacious and comfortable layout, ideal for cruising and living aboard. Owners often commend its stability and shallow draft, making it perfect for exploring coastal waters and shallow bays. The boat’s easy handling and reliable construction are frequently mentioned, along with the versatility of the cockpit and cabin spaces. Overall, the 2004 Gemini 105MC is valued for combining the benefits of a catamaran with convenient trailerability, making it a favorite among sailors seeking both adventure and comfort.
The Biggest Pros and Cons
The 2004 Gemini 105MC offers a unique blend of performance and comfort, making it a popular choice among cruising catamarans. Here are some of the key pros and cons to consider:
Pros
Spacious Living Areas: The 105MC features a roomy cockpit and interior layout, providing ample space for entertaining and comfortable cruising.
Excellent Stability: As a catamaran, it offers superior stability compared to monohulls, enhancing safety and comfort underway.
Shallow Draft: Its shallow draft allows access to shallow anchorages and coastal cruising spots that deeper keelboats cannot reach.
Good Performance: The 105MC balances speed and ease of handling, making it suitable for both casual sailors and those looking for spirited sailing.
Well-Appointed Interior: The 2004 model includes upgraded fixtures and modern amenities, contributing to a comfortable onboard experience.
Dual Engines: Twin engines provide better maneuverability in tight marina spaces and added reliability.
Cons
Price Point: As a larger and well-equipped catamaran, the 105MC can be more expensive to purchase and maintain than smaller or simpler sailboats.
Complex Systems: The advanced systems and dual engines may require more maintenance and mechanical knowledge.
Weight: The solid build and multiple amenities add weight, which can slightly reduce light-wind performance.
Limited Production: Being a specialized model, parts and specific expertise may be less readily available than for more common boats.
Made For
The 2004 Gemini 105MC is perfect for sailors seeking a versatile and spacious multihull that combines comfortable cruising with excellent performance. Ideal for families, couples, or small groups who want a stable and roomy boat for coastal cruising, island hopping, or extended voyages, it offers ample living space, easy handling, and reliable construction. Whether you're a seasoned sailor or new to multihulls, the Gemini 105MC provides a great balance of comfort, safety, and sailing enjoyment.
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