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1997 Gemini 105 M

Annapolis, Maryland



One of the most popular catamarans on the market. Many recent upgrades made on this boat (see below). This Gemini 105 M is a well-designed cruising catamaran that offers excellent levels of performance, stability, accommodation and shoal-draft versatility which is unavailable in comparable monohulls. This well cared for vessel is powered with the 27 hp Westerbeke diesel inboard with propulsion through a lift-up Sonic Drive. Whether you are considering extended cruising and living aboard, or just want a spirited boat to sail, the Gemini 105 M delivers.

2016 Survey Available. 


Reliable Westerbeke 27 hp diesel. (low hours).  Draft 18" with boards and rudders up. The rudders operate in the up position allowing operation in very thin water. Main and genoa with Schaefer roller furler and asymmetric spinnaker in good condition. Shorepower with Xantrex charger. Hot and cold pressure water. Air conditioning.  Watermaker.  Full  Instruments including autopilot and Garmin color screen chart/fishfinder. Most internal lights converted to LED. Most navigational lights converted to  LED. Master stateroom with 6'6" queen berth. Propane stove and fridge/freezer. Dinghy with powerful outboard on custom made stern arch. Fully equipped for live-aboard and extended cruising, just bring your clothes and food!

Recent Upgrades:

New Centerboards ($4,500 - made by Performance Cruising craftsmen)

New Raymarine ST60+ Gauge ($650)

New Anemometer/Transducer ($550)

New Sunbrella "Pacific Blue" Cockpit Cushions

New 4,000 Watt Generator (A/C, Heat & Lighting)

New Microwave

New Toilet (non-composting)

New VHF Raytheon

New Shower Sump Pump & Switch

New Engine Motor Mounts

New Hatch Seals

New Solenoid

New Propane Controls

New Stern Light

New Scuppers in Cockpit

New Head Sink Drain

Basic Boat Info

(Sale Pending)
Make: Gemini
Model: 105 M
Year: 1997
Condition: Used
Category: Sail
Construction: Fiberglass


Length: 34 ft
Length Overall: 34 ft
Waterline Length: 31'9 ft
Beam: 14 ft
Max Draft: 5 ft
Min Draft: 1'5 ft
Displacement: 7,300 lb
Bridge Clearance: 45 ft

Engines / Speed

Engines: 1
  • Make: Westerbeke
  • Fuel: Diesel
  • Engine Power: 27hp
  • Type: Inboard
  • Year: 1997
  • Engine Hours: 1099


Fuel Tanks: 1
Fuel Tank Capacity: 36 gal
Water Tanks: 1
Water Tank Capacity: 60 gal
Holding Tank Count: 1
Holding Tank Capacity: 18 gal


Boat Class: Catamaran


Mathias Wiebracht
Maritime Yacht Sales


Maritime Yacht Sales
6501 Red Hook Plaza Suite 201
St. Thomas, VI, 00802


The floor plan is well thought out and designed for long term living, with the option of sleeping 6 comfortably. The salon is bright and airy and features a large table w/2-hinged leaves seating 6. Down in the port hull are a double berth aft, a navigation area amidship and forward, a fully molded head with shower. In the starboard hull is another double berth aft, a galley stretched amidship and a dressing and storage area for the master stateroom forward; the master-stateroom itself is accessed through the dressing chamber and consists of a large queen-size berth on the centerline.

  •  The salon has 2 overhead hatches, 3 opening windows and 3 12V fans.
  • The salon dinette table comes with additional folding legs for dining outside.
  • Each aft cabin has 3 opening ports, LED lights and one 12 V fan.
  • Each aft cabin has 1 hanging locker, 1 cupboard and 1 drawer.
  • Master cabin has 2 hatches, LED lights and one 12V fan.
  • Master cabin has a hanging locker, a vanity with mirror, 3 drawers and extra storage space.
  • Headroom of 6’4 in both hulls and the salon.
  • Head has hot and cold water shower, mirrors and 4 storage cupboards..
  • Insect screens for all openable hatches and ports.

  • Sunbrella covers for all forward facing and top facing windows and hatches.





  • Combination Propane/110-Volt Stove W/Oven & Broiler - Voyager 2000
  • Propane/110-Volt Refrigerator/Freezer - Dometic RM2310
  • Hot/Cold pressure water and foot pump for cold water
  • Double Stainless Steel Sinks
  • Large work surface
  • Aluminum Propane tanks (2) x 20 lbs
  • Steel Propane tanks
  • Ample storage
  • Set of acrylic plates, bowls, serving plates, wineglasses, cocktail glasses, etc.
  •  Autohelm ST4000 Autopilo
  • New Raymarine ST60 + guage Wind Instrument 
  • tGarmin GPSmap 541s Colour Chart Plotter/Sonar with US east coast chartssStandard Horizon Eclipse+ VHF radio
  • Aqua Meter Saturn bulkhead mounted compass
  • Boss Marine CD/radio (MR1400W) with 2 speakers inside and 2 Pioneer marine use speakers outside

  • Marine antenna, combination VHF/FM/AM

  • CAT 1000W inverter

  •  12V and 110V systems
  • House batteries (Lifeline) of 460 Amphours allow long term cruising
  • -Engine battery (Optima) of 90 Amphours

  • Guest batteryswitch.

  • Xantrax battery changer (20 amp)

  • 2 75W Siemens solar panels mounted on stern stainless steel arch

  • 1 wind generator 

  • Link 20 Battery monitor

  • Xintex S-2A propane monitor with detectors in both hulls

  • Fireboy automatic fire extinguisher in engine room

  • Mermaid Air-condition (110V) in the salon

Sails and Rigging
  • Beirig main sail
  • Beirig genoa on Schaefer roller furler
  • Sobstad sailmakers asymetrical spinnaker
  • Lewmar 40 (2-speed) primary winches
  • 2 Lewmar 7winches on mast
  • Mainsheet traveler
  • Westerbeke fresh water cooled 3-cylinder 30B3 27hp diesel with 1099 hours
  • Sillette Sonic Drive stern drive propulsion with spare yoke
  • Sonic drive lifts drive unit and prop from water
  • Watermaker
Hull and Deck
  •  Solid GRP hull
  • Sandwich GRP deck with endgrain balsa core
  • Hard Bimini
  • Dual pivoting centerboards
  • Dual pivoting rudders that allow for steering in up position
  • Centerboards and rudders designed to kick up if striking ground
  • Custom made stainless steel stern arch with solar panels, wind generator, GPS, radio antenna and davits
  • 2 storage lockers in the cockpit
  • 2 large storage (aft port and starboard hull)
  • 1 large sail locker (forward port hull)
  • 1 large anchor locker (forward bridge deck)
  • Outboard bracket on aft starboard steps (allows outboard to be used as auxiliary engine)
Additional Equipment
  •  4 anchors with ample chain and rod
  • eStorm anchor
  • 10 ft Westmarine RIB
  • 20 hp Mercury outboard (for the dinghy and as an auxiliary for the Gemini)

  • BBQ on stern arch (Force 10)

  • 2 automatic Whale bilge pumps (1 in each hull)

  • 2 manual bilge pumps

  • Hidden lockable safe-box in master cabin

  • All user manuals and many spare parts

  • Whole deck awning for use at dock or on the hard

  • Safety equipment including flares and 6 pdfs (2 inflatable pdfs w. harnesses)

  • Complete set of cockpit seat cushions

  • Guidebooks and Explorer Charts for the Bahamas

  • Bosuns chair

  • Assortment of fenders, dock lines and jerry cans



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.
Additional Contact Information

For more information on this boat, please call our office at 340-774-3175 (Mathias) or if you are having difficulty reaching Mathias in St. Thomas due to the recent hurricane, please contact Jamie at (340) 201-7179 or email us at

Disclaimer This calculator is intended solely for general informational purposes, and to provide a rough estimate based on the information you provide. You should not base your decision on this estimate alone.