2002 Gemini 105Mc

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St Augustine, FL

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Class Sails
Category Catamaran
Year 2002
Make Gemini
Length 34'
Propulsion Type Single Inboard
Hull Material Fiberglass
Fuel Type Diesel
Location St Augustine, FL
Mechanical Equipment

Engine: Westerbeke 30B Three JS, 27 hp diesel, original, 3800 hours

  • New raw water pump & oil pressure sender (2013)
  • New dual Racor fuel filter assembly, switchable on the fly (2014)
  • New rear engine main seal, transmission rebuilt (2016)
  • New wet exhaust hoses, cleaned & painted exhaust elbow (2016)
  • New heat exchanger (2017)
  • New engine mounts (2018)
  • New injector pump o-rings (2018)


DriveLeg: Sillette Sonic Catamaran drive, Mk2 (original)

  • New 11" pitch prop (2016)
  • New steering lines (2016)
  • New flex coupling (2018)


Steering: Twin kick up rudders with steerable drive leg

  • New U-Flex steering unit and steering cables (2012)
  • New centerboard & rudder lift lines (2014)



  • Air Conditioner: Webasto FCF 12,000 BTU heat/air w/remote (2015)
  • Water Heater: Atwood 6 gallon w/stainless exterior (2014)
  • Cabin Heater: Heater Craft (2014)



  • Solar Panels: 2 Kyocera KU265 hard panels, 530 watts total (2016)
  • Solar Controller: Morningstar TS-MPPT-45 w/remote panel (2011)
  • Wind Generator: AirBreeze 160 watt (2012)
  • Inverter/Charger: MagnaSine MS2012 2000 watt / 100 amp w/remote panel and battery monitor (2018)
  • Batteries: 2 Northstar 8DK TPPL AGM batteries, 460 amp hour total (2016)
  • Shore Power Inlet: Marinco 30 amp stainless (2014)
  • Shore Power Cords: 50' and 35' Marinco 30 amp
  • Surge Protector: SurgeGuard 34520 1050 joule (2012)
  • Second DC panel above nav station
  • All interior, deck, and navigation lights replaced with LEDs
  • Various 12 volt and USB outlets added

Full queen in master cabin with Froli "box spring" system beneath.

"Cozy double" cabin port aft.  

Identical starboard cabin converted to pantry/storage, mattress still available.  

Navigation Systems


  • Chart Plotter: Raymarine Axiom 12 w/Navionics Gold charts (2018)
  • Radar: Raymarine Quantum Q24c radome (2018)
  • Radio: Raymarine Ray260 DSC VHF w/AIS receiver, loud hailer, 2 handsets (2018)
  • Radio: iCom IC-M72 handheld submersible VHF w/charger base (2011)
  • SSB receiver: Kaito KA 1103 battery operated/portable
  • Autopilot: Raymarine ACU-100 control unit, P70 dash instrument, ST4000+ wheel unit (2013)
  • Instruments: Raymarine ST60 Wind and TriData dash instruments (original)
  • New Raymarine masthead wind transducer (2014) 
Galley Equipment

Galley and Interior

  • Primary Refrigerator: Vitrifrigo 4.0 cf ac/dc fridge w/freezer compartment (2016)
  • Secondary Refrigerator: Engel MT27 0.7 cf ac/dc fridge/freezer (2013)
  • Stove: Voyager LP 2000 2 burner/broiler/oven (original)
  • New oven broiler assembly (2018)
  • Grill: Magma original stainless kettle on stern
  • Propane: 2 10-lb aluminum tanks w/pressure gauge & direct connect hose for Magma grill
  • Microwave: Sunbeam 700 watt with shelf over 
  • Water Filter: Katadyn Ceradyne drip water filter
  • Starboard cabin converted to pantry and storage (reversible if desired)
  • Head: Nature's Head composting head + extra urinal
  • Shower Sump: Whale Gulper 220 waste water pump (2015)
  • Froli sleep system under master cabin mattress
  • Caframo fans (6) in master cabin, salon, and aft cabins
  • Hella gooseneck LED reading lights in salon
  • Phifertex 70% shades on interior side windows
  • New settee cushions upholstered with UltraLeather (2016)
  • Screens on all hatches, windows, and doors 
  • Ventilation fan in master hanging locker 
Additional Equipment


  • Xintex Fireboy propane control panel & alarm (original)
  • Rule Mate 750 gph bilge pump and high water alarm in each hull (2015)
  • First Alert smoke and fire alarm w/10-year battery (2018)
  • Xintex Fireboy carbon monoxide alarm w/7-year battery (2018)
  • Jacklines, tethers and safety harnesses
  • USCG Auxiliary Vessel Safety Check, passed 01/2019



  • Davits: Kato Island w/stabilizer bar, solar panel riser, cam cleats
  • 12 volt cables on davits for charging Torqeedo
  • Tender: Portland Pudgy (2013)
  • Motor: Torqeedo Travel 1003L electric outboard w/520 watt hour battery (2013)
  • Anchor: 2.5kg stainless folding grapnel on 50' three- strand nylon


Miscellaneous tools/parts/spares

  • Engine: Westerbeke thermostats, fuel and oil filters; Racor filters
  • Drive leg: Sillette yoke, bellows, flex coupling, seals, used 12" pitch prop
  • Steering: used U-Flex steering unit & stbd steering cable
  • Windlass: 3/8" BBB gypsy
  • Oven: complete set of replacement thermocouples
  • Galley Foot Pump; Whale Tiptoe pump, 1 new, 1 used
  • Harken bosun's chair
  • Miscelaneous other stuff
Total Power
27.0 hp
Nominal Length
Fuel Tank Capacity
Total Power 27hp
Engine Hours 20
Engine Type Single Inboard
Fuel Type Diesel
Hull Shape Other
2002 Gemini 105Mc

*** Price Reduced *** - 10 March

With a 46' mast height and shallow draft, this boat is perfect for exploring where many can't go.  She's been from Maine to the Keys, from the Bahamas to the Florida west coast.  

Fully equipped for cruising.  Well maintained with many upgrades including solar / wind power, 2x8D AGM battery bank, new electronics, a water collection system, an indestructable Portland Pudgy dinghy with an electric Torqeedo outboard, two fridges, and other items detailed below.  

Engine, sails and rigging have been well maintained, but are original.   


Sails and Rigging

  • Sails: 340 sf main, 350 sf genoa, 420 sf screecher (original)
  • Rig: Masthead sloop with 12" crane, stainless wire (original)
  • Sunbrella main sail stack-pack (2013)
  • New screecher upper swivel, furler fairleads (2014)
  • New mainsheet and traveler (2015)
  • New reefing lines, main & jib halyards (2018)


Lots more detail under "More Details" tab above.


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