Gemini – 105Mc

Virginia, United States

Preliminary listing! Clean catamaran ready to cruise! Details coming soon!

Basic Boat Info

Boat Hull ID
Has Hull ID


33.5 ft
Length Overall
33.5 ft
Waterline Length
32 ft
14 ft
Max Draft
5.5 ft
Cabins Count

Engines / Speed

Engine #1 Specs:
  • Make : Westerbeke
  • Model : 30B
  • Fuel : Diesel
  • Engine Power : 27 hp
  • Type : Inboard/Outboard
Total Engine Power
27 hp


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


Heads Count
Boat Class
Catamaran, Cruisers

Additional Info

Main Salon
The Salon is very spacious and provides an open and airy feel. There is a dining table that seats 6 or 8 and converts to a berth. Plenty of ventilation is provided with opening hatches, sliding windows and fans.
  • Air conditioning - Flagship 18,000 BTU
  • New cushions for settee 2021 -4 inch thick foam vs original 3 inch
  • 12V Lighting
  • 12V Fans
  • Electric Refrigerator
  • Separate AC & DC Electrical panel
  • Ample storage under all salon seats

The Galley is located to the Port in the companionway. Ample storage for dry goods and kitchenware is provided under the galley countertop and in cabinets opposite the counter area. There is countertop work surfaces on both the inboard side and outboard side of the galley.
  • Electric Refrigerator -Isotherm Cruise 130 Elegance
  • Double SS sink
  • Voyager 2500 two-burner propane stove with oven and broiler
  • Hot and cold pressure water

Master Stateroom and Head:
The master stateroom has a view forward from the Queen size berth. There is also a port light on the starboard side and an opening hatch providing light and tremendous ventilation. On the outboard side of the cabin are a shelf, bins, lockers, and storage compartments. Forward from the berth is a hanging locker and large storage locker. On the inboard side of the berth is a shelf for things needed bedside. A 12 Volt fan adds to the ventilation capability. There is a dual white/blue LED light overhead.
  • Air conditioning
  • Memory foam mattress 2019
  • USB ports
The Head is fully molded fiberglass. It features a storage locker, 115 Volt outlet and a washbasin with pressure hot & cold water mounted in the countertop. An adjustable shower head features a slide mount on the forward bulkhead -which also allows use as a handheld shower. The swing out shower door keeps the toilet area clean and dry during showering. The Raritan PHII marine head is connected to an 18 gallon holding tank via a 'Y" valve -facilitating overboard or deck pump out. Overhead is a 12 Volt LED dual white/blue light and Bomar hatch with screen.
Guest Staterooms:
Each guest stateroom has a privacy door and double berths with 4-inch foam mattresses, LED light overhead, a fan and portlights inboard and outboard for ventilation. A hanging locker, drawer and storage locker are provided for storage of clothing and personal items.

There are sealed buoyancy tanks forward and aft in each hull. Centerboard in each hull provides good windward performance when deployed and reduce draft to 18" when pulled up.
  • Maxwell windlass new 2020
  • Delta Anchor 35 Lb. with 25' chain new 2020 and 150 feet of 5/8' rode
  • Danforth anchor with 15-foot 3/8' chain and 100 feet of 1/2' rode
  • Fiberglass deck with solid bridge deck forward
  • Stainless steel bow pulpits with pulpit seats
  • Anchor locker on foredeck
  • 4 Stern lockers -2x in cockpit + 2x full-depth lockers accessed from the deck
  • Side stanchions and lifelines
  • Side boarding gates
  • Davits
  • Solar charging via two separate systems
  • Stern-mounted Solar panel 125W
  • Wiring + wiring for 2 sets of Cabin-top / Deck-top solar panels
  • Stern hammock seat
  • Stern sun awning -zips on & shades cockpit
  • Swim step transoms -both hulls
  • Boarding ladder
  • Hard dodger
  • One composite 20# propane bottle in self-draining cockpit locker
  • Running lights, masthead tricolor light and anchor light LED new 2019
  • Four Bomar opening hatches with screens over master stateroom, head, and dinette
  • Fenders and mooring lines
  • New bottom paint 4/2021 (vessel has only been in the water 5 months since painting)
  • Complete detail of vessel including hull 4/2021 & again in September 2023

Electronics & Helm
  • Garmin GPS map 942 XS touch screen chart plotter with weather antenna 2018
  • Standard Horizon AIS VHF (Model GX2200)
  • Raytheon Wind speed and wind direction (not functional)
  • Raytheon tri-data log speed and depth meter
  • Raytheon/Autohelm 6002 autopilot
  • Clarion CD/Stereo
  • Compass
  • SOS Light (floating) + Distress Flag eliminates need for mandatory flares

The electrical system is well thought out and her upgraded electrical system gives you the ability to have a hot shower while the air conditioning is running.
  • 110 Volt AC and 12 Volt DC systems with completer breaker panels
  • (2) 30 AMP shore power receptacles custom installed 2016
  • (2) 30 AMP Shore power cord + Splitter adapter
  • (4) Deep-cycle West Marine AGM 24 group batteries 2019
  • Battery parallel switch
  • Voltage-controlled regulator isolates starting battery
  • Minn-Kota Precision MK 460 PC automatic Multi-Stage Battery Charger 2019
  • Propane detector
  • Seven 110V AC outlets, two 12V DC outlets
  • 1x 125W Aft-mounted solar panel with MPPT controller
  • Wired for 2x 100W flexible cabin/deck-top top solar panels -with separate charge controller
  • 1x 100W flexible demountable solar panel

Engine & Mechanical
The engine is a 27 hp Westerbeke 30 B diesel with 55-amp alternator and heat exchanger for hot pressure cabin water. The engine drives a liftable, steerable outdrive leg from Sillette marine with a large efficient propeller. The drive leg, retracts from water when sailing or at anchor, drops down while under power. The outdrive leg steers in conjunction with the rudders providing remarkable maneuverability.
  • Wheel/Teleflex cable steering
  • Six-gallon 110V water heater with engine heat exchanger
  • Westerbeke 30 B 27 HP diesel with 1340 hours
  • Fresh water cooling on engine
  • Heat exchanger anode / zinc replaced June 2023
  • Engine alarm
  • Raritan PH II marine head with y-valve for overboard or holding tank discharge
  • 18,000 BTU Flagship Marine AC/Heat 2014
  • Electric Gulper bilge pump
  • Prop anode replaced in 2023

Sails and Equipment
An efficient full battened, big head mainsail improves drive and reduces heel. The advanced design of this sail allows it to easily pass the backstay. Double spreader anodized aluminum spar, stepped on deck.
  • Furlex roller furling on headstay
  • 150% Genoa
  • Full batten mainsail with two reef points 2018 -like new
  • Both reef lines are controlled via clutches at boom end
  • Mainsail stack-pack & lazy jacks (Mackpack) installed December 2021
  • Mainsail like new -stored below deck since April 2022
  • Two self-tailing sheet winches and two halyard winches
  • End boom mainsheet with fully adjustable traveler

Features and Upgrades
With over 1000 Gemini catamarans produced, this vessel has proven capabilities. In addition there is an extensive users forum available for questions/answers, owner manuals and general information. This vessel is extremely well maintained by her knowledgeable owners. She has become available to the market due to purchase of another Gemini in the Great Lakes. Some of her recent upgrades include:
  • 18k BTU Flagship Marine commercial/military quality A/C 2014
  • 500 GPH March raw water A/C pump 2014
  • Custom Teak A/C cabinet with 4 air vents 2014
  • Custom shades for windows, hatches, and adjustable rear shade 2014
  • New settee cushions with 4" foam 2021
  • Awlgrip painted 2014
  • Maxwell windlass new 2020
  • Garmin GPS map 942 XS touch screen chart plotter with weather antenna 2018
  • MinKota Precision MK 460 PC automatic Multi-Stage Battery Charger 2019 Miro
  • Four AGM24 79AH Batteries 2019
  • Upgraded gimbaled Sirocco fan (in master berth)
  • Upgraded LED interior lights
  • Upgraded LED running lights 2019
  • USB ports installed in master & port aft berth
  • Sillette drive leg boot replaced January 2023
  • Prop anode replaced January 2023
  • All drive leg lift joints lubed with Tefgel January 2023
  • Sillette drive leg coated with Trilux aluminum anti-fouling March 2023
  • Westerbeke essential spares included
  • Westerbeke heat exchanger anode changed June 2023
  • Sillette drive leg essential spares included
  • Antifreeze -fittings installed in house plumbing for easy purging

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