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Seller's Description

The Christina Kay is a Key West, Florida based 2004 Gemini 105Mc Catamaran for sale by owner. The Gemini 105Mc is a demonstrated winner in cruising with a spacious newly updated U-shaped salon with discrete storage under the settee cushions that comfortably entertains 6 people.

Equipped with efficient work surfaces and appliances (propane, 2 burner stove/oven; double SS sink, Corian countertops, Isotherm refrigerator/freezer. The galley is situated in SB hull. In the hulls offer comfortable accommodations for up to 8 people as well (SB and port hull each has a twin sleeping berth as well as the master berth offers a queen-sized bed. The salon table converts to a king-sized bed) a full head with a walk-in shower and composting toilet in her port hull.

The Christina Kay has been meticulously maintained and is 100% ready to GO!. EVERYTHING WORKS!! This is a great opportunity for a couple or a family to experience life that most people only dream of with her solar panels, water maker, composting toilet, portable generator AND its low consumption of fuel while cruising, affords you the ability to stay out of marinas for days. She is an easily manageable catamaran that is ready for cruising. She is perfect for island hopping; beaching her, snorkeling, fishing and entertaining your friends and family. She is easy to anchor off shore to view beautiful sunrises and sunsets.

There have been tons of improvements/updates many of which have been done in 2018 and 2019, Some of the major improvements/updates are as follows: New Beta 30 diesel engine/transmission and outdrive; 16,000 BTU Marine Aire AC, bottom sanded/painted 3 coats, GPS, radar and auto pilot. If you are interested and are pre-approved, we will be happy to send you the specifications. the receipts for all the updates that have been done.

No solicitors and No brokers … and Please note that this catamaran has never sustained any damage due to a hurricane.

2019 New Equipment/Updates

(Everything replaced with new not used equipment)

  • 16,000 BTU MarinAire AC with custom cabinet/500 gph pump
  • Sonic Sillette Outdrive/outdrive steering lines/prop
  • Haul Out/Bottom Painted – 3 coats
  • Powder coated anchor guide
  • Anchor Cradle – reinforced with ¾ in marine grade plywood and fiberglass gelcoat
  • Dingy Davit(s) - reinforced with ¾ marine grade plywood and fiberglass gelcoat
  • ($10,000 of fiberglass improvements to make her stronger (better than original design)
  • Custom made window Sun Shades
  • Shower Pump 3 gpm
  • Salon Fans (2)- 10”
  • Westinghouse 2200-watt generator
  • ProStart 20 amp. Battery charger
  • Anchor lines/chain
  • New dock lines (4); Dingy davit line; fenders (3) orange balls 15”, (3) fenders 8”
  • Power Adapter EEL 50A/250 watt
  • Sunshades 10x14 (4)
  • Sunshades 20x20 rectangular (2)

2018 New Equipment/Updates

(Everything replaced with new not used equipment)

  • Engine Beta 30 – hours 278 with HO alternator
  • Sail drive transmission
  • Beta engine control panel
  • Magma Marine BBQ Party Grill
  • Refrigerator Isotherm; Elegance 130
  • Upholstery (fabric and cushions) salon
  • Fans 12v (7) 7”
  • Bilge pumps (2) -
  • High water alarms (2)
  • LED’s throughout cabin
  • Navigation/radar/auto pilot with custom made pole mount for radar/GPS
  • Corian countertops – galley
  • Master berth headboard – nautical theme
  • Smoke Detector/CO2 detector
  • 4 DC series group 24 marine batteries
  • Fire extinguisher
  • Fender Rack
  • PFD Coastal Auto Yellow and Royal Blue total 2
  • Hot water outdoor shower
  • Dry Bag 40 L (1)
  • Dry Bag 8 L (1)
  • Trash Stasher for head (1)
  • Charts/Maps

Specifications Builder: Performance Cruising Inc. Designer: Tony Smith Model: Gemini 105 Mc Flag: USA Year Built: 2004 Length Overall: 33’ 6” ( 10.21 m) LWL: 31’ 9” ( 9.75 m) Beam: 14’ 0” ( 4.27 m) Draft: Max Draft: 5’ 6” ( 1.52 m) / Min Draft: 1’ 6” ( .46 m) Displacement: 8600 lbs Mast height: 48’ 0” ( 14.63 m) Sails: Mainsail full batten with 2 rows of reefing points Mack Pack with lazy jacks Tides Marine Strong Track System with slides Winters Cruising Spinnaker Head room: 6 ft 1 in Cruising Speed: 6.5 Knts Max speed 9.9 knots Engine Beta Marine Diesel 30 HP Cabins: 3 - 1 Queen / 2 full Heads: 1 Nature’s Head composting commode 11/2016 Fresh Water 60 Gallons ( 227 l) Fuel Tankage 36 Gallons ( 136 l)

Boat Inventory

Accomodations:

  • 1 Queen / 2 full Cabins
  • AC/heat – MarinAire 8/2018
  • U-shaped seating with folding teak table; converts to king size bed; discreet storage
  • Upholstery salon new cushions/foam- seats/backs, aquamarine/nautical theme 7/2018
  • High water alarms (2) 7/2018
  • LED’s throughout cabin 3/2018 and 8/2018
  • Beauty Rest Air Mattress 3/2018

Salon and Galley:

  • Voyager 2000 2-burner propane oven/stove
  • Refrigerator/freezer Isotherm; Elegance 130 7/2018
  • Double SS sink
  • Whale tip toe pump
  • Microwave, toaster, coffee pot and
  • miscellaneous kitchenware
  • Corian countertops – galley 1/2018

Cockpit:

  • Magma Marine BBQ Party Grill 3/2018
  • Kato Davit with love seat 10/2014
  • Kato Davit stabilizing system SS100
  • Davit system (2) SS ratchets with 12’ webbing
  • Davit system -Solar Panel Riser for Kato SS100 stabilizers
  • 2 Kyocera 60 W Solar panels
  • Xantrex C-35 Controller
  • Complete cockpit enclosure – isinglass and screens
  • Life sling/custom cover
  • Propane tanks, 20 lb. (2)
  • 5 aft cleats
  • Swim ladder

Head:

  • Nature’s Head – self composting toilet
  • Shower pump, wash down Parmax, 3 gal/min
  • Enclosed shower
  • Sink and shower hot/cold
  • Teak towel rack and shelf
  • Mirror
  • Trash Stasher
  • Storage

Sails and Rigging:

  • Mack Sails – full batten mainsail with 2 reefing points/Jib 10/2014
  • Genoa with Sunbrella cover 2014
  • Tides Marine Strong Track system with slides
  • Mack Pack with lazy jacks
  • Selden Furlex – 2005
  • Sheets - 2015
  • 2 Platismo sail radar reflectors - 2016
  • LED anchor light/photo electric cell – 2017
  • Deck light – 2017
  • Loos & Co. professional tension gage
  • Sail storage bags

Anchors/Deck:

  • Mantis 35 lb with 25’ of 5/16” chain- 100’ of 5/8” rope
  • FX – 16 Fortress Anchor with 25’ of ¼” SS galvanized chain and swivel power ball
  • Anchor bridle
  • Outland hatch covers (4) 5/2016
  • Cleats 10” on bow (2)

Electronics:

  • Garmin Radar and GPS 741xs 8/2018
  • Raymarine Auto Pilot EV-100 p70 Wheel Pilot pack 8/2018
  • Standard Horizon Matrix AIS/GPS marine transceiver with Ram 3 cockpit mic
  • Wind speed and direction
  • Richie compass
  • Island Time PC wifi system with MikroTic RB951 ui-2nd router
  • Battery Bank voltage indicator
  • Raymarine i50 Depth Instrument – 6/2015
  • Raymarine, i60 Analogue Wind Instrument 6/2015
  • Sensatank monitor for fresh water tanks
  • Sony compact disc system

Electric:

  • Solar panels (2) 60 watts each
  • Full River AGM GP24 house batteries (3) 4/2018
  • Full River AGM GP24 Engine start battery (1) 4/2018
  • Vector Maxx SST 1000Watt Power Inverter
  • Shore power cable 50’ with 110v adaptor 3/2018
  • 50-30 Amp reducer
  • 30/110 adapter

Engine:

  • Beta Marine 30 Marine Propulsion Engine purchased 5/2018; installed 6/2018
  • PRM 90 Transmission2.5:1 purchased 5/2018; installed 6/2018
  • Alternator 120 Amp upgrade purchased 5/2018; installed 6/2018
  • Control panel “B” beta engine upgrade with 4m harness purchased 5/2018; installed 6/2018
  • Engine oil, filters, transmission fluid
  • Sonic Catamaran drive, Mk. 2 serviced oil change, new bellows, new rest bar, latch spring replaced 10/2017
  • Telefex drive leg release control cable 11/2017
  • Racor 120A Fuel filter/water separator

Water:

  • Paramax 3 GPM wash down Shower pump 5/2018
  • Water tank “Y” valve replaced 6/2015
  • Main water system – Flojet 4405 pump replaced 6/2015
  • Katadyn PowerSurvivor 40E 1.5 GPH Water Maker, 12v, complete factor overhaul 2/2016
  • Atwood Marine Water Heater model EHM6

Dinghy:

  • Highfield 10.5 UL310CSM 8/2015
  • Tohatsu 9.9 motor with motor lock
  • Oars, seat, foot pump, patch kit, cover tools, dry bags
  • Spare prop
  • Anchor with 5’ of ¼” chain; 20’ of 3/8” rode
  • Bridle
  • Gas can
  • Water pump

Safety:

  • PFDs (4) orange in storage bag
  • PFD (1) Coastal Auto yellow
  • PFD (1) Coastal Auto Royal Blue
  • Eastern Aero Marine Inflatable 6-man life raft
  • EPIRB – Globalfix Pro 406 RLB – 37
  • ARC SM 2 Buoy light MOB beacon)
  • Fire extinguishers (3)
  • MOB Life Sling recovery system, rail mounted, custom cover
  • Safety flares
  • Life Lines/harness
  • Smoke Detector/CO2 detector 3/2018
  • Fire extinguisher 3/2018

Fenders/Dock Lines:

  • Taylor Made Fender 8” (2) white
  • Taylor Made Fender 6” (2) white
  • Taylor made round, 15” Orange Ball (4) inflatable
  • Dock Lines (6)
  • Line 100’ (1)
  • Line 50’ (1)
  • Lines extra, various sizes
  • Fender rack on bow

Extras:

  • Honda Generator 2000IC
  • Potek Smart Charger 2-20 Amp battery charger
  • Steering cables
  • Props (2) drive leg
  • Bosun seat – basic
  • Bottom painted – Pettit Trinadad Pro – 11/2017
  • Outdoor shower LP Zodiac 2018
  • West Marine portable heater
  • many many extras
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Specs

Designer
Tony Smith
Builder
Performance Cruising
Associations
?
# Built
?
Hull
Catamaran
Keel
Twin Centerboard
Rudder
?
Construction
FG

Dimensions

Length Overall
33 5 / 10.2 m
Waterline Length
31 9 / 9.7 m
Beam
14 0 / 4.3 m
Draft
1 6 / 0.5 m 5 6 / 1.7 m
Displacement
8,000 lb / 3,629 kg
Ballast
?

Rig and Sails

Type
Sloop
Reported Sail Area
690′² / 64.1 m²
Total Sail Area
?
Mainsail
Sail Area
?
P
?
E
?
Air Draft
?
Foresail
Sail Area
?
I
?
J
?
Forestay Length
?

Auxilary Power

Make
Westerbeke
Model
?
HP
27
Fuel Type
Diesel
Fuel Capacity
36 gal / 136 l
Engine Hours
?

Accomodations

Water Capacity
60 gal / 227 l
Holding Tank Capacity
?
Headroom
?
Cabins
?

Calculations

Hull Speed
10.8 kn
Classic: 7.55 kn

Hull Speed

The theoretical maximum speed that a displacement hull can move efficiently through the water is determined by it's waterline length and displacement. It may be unable to reach this speed if the boat is underpowered or heavily loaded, though it may exceed this speed given enough power. Read more.

Formula

Classic hull speed formula:

Hull Speed = 1.34 x √LWL

A more accurate formula devised by Dave Gerr in The Propeller Handbook replaces the Speed/Length ratio constant of 1.34 with a calculation based on the Displacement/Length ratio.

Max Speed/Length ratio = 8.26 ÷ Displacement/Length ratio.311
Hull Speed = Max Speed/Length ratio x √LWL

10.75 knots
Classic formula: 7.55 knots
Sail Area/Displacement
27.6
>20: high performance

Sail Area / Displacement Ratio

A measure of the power of the sails relative to the weight of the boat. The higher the number, the higher the performance, but the harder the boat will be to handle. This ratio is a "non-dimensional" value that facilitates comparisons between boats of different types and sizes. Read more.

Formula

SA/D = SA ÷ (D ÷ 64)2/3

  • SA: Sail area in square feet, derived by adding the mainsail area to 100% of the foretriangle area (the lateral area above the deck between the mast and the forestay).
  • D: Displacement in pounds.
27.6
<16: under powered
16-20: good performance
>20: high performance
Ballast/Displacement
?

Ballast / Displacement Ratio

A measure of the stability of a boat's hull that suggests how well a monohull will stand up to its sails. The ballast displacement ratio indicates how much of the weight of a boat is placed for maximum stability against capsizing and is an indicator of stiffness and resistance to capsize.

Formula

Ballast / Displacement * 100

?
<40: less stiff, less powerful
>40: stiffer, more powerful
Displacement/Length
111.5
100-200: light

Displacement / Length Ratio

A measure of the weight of the boat relative to it's length at the waterline. The higher a boat’s D/L ratio, the more easily it will carry a load and the more comfortable its motion will be. The lower a boat's ratio is, the less power it takes to drive the boat to its nominal hull speed or beyond. Read more.

Formula

D/L = (D ÷ 2240) ÷ (0.01 x LWL)³

  • D: Displacement of the boat in pounds.
  • LWL: Waterline length in feet
111.5
<100: ultralight
100-200: light
200-300: moderate
300-400: heavy
>400: very heavy
Comfort Ratio
11.3
<20: lightweight racing boat

Comfort Ratio

This ratio assess how quickly and abruptly a boat’s hull reacts to waves in a significant seaway, these being the elements of a boat’s motion most likely to cause seasickness. Read more.

Formula

Comfort ratio = D ÷ (.65 x (.7 LWL + .3 LOA) x Beam1.33)

  • D: Displacement of the boat in pounds
  • LWL: Waterline length in feet
  • LOA: Length overall in feet
  • Beam: Width of boat at the widest point in feet
11.3
<20: lightweight racing boat
20-30: coastal cruiser
30-40: moderate bluewater cruising boat
40-50: heavy bluewater boat
>50: extremely heavy bluewater boat
Capsize Screening
2.8
>2.0: better suited for coastal cruising

Capsize Screening Formula

This formula attempts to indicate whether a given boat might be too wide and light to readily right itself after being overturned in extreme conditions. Read more.

Formula

CSV = Beam ÷ ³√(D / 64)

  • Beam: Width of boat at the widest point in feet
  • D: Displacement of the boat in pounds
2.8
<2: better suited for ocean passages
>2: better suited for coastal cruising

Notes

GEMINI 105MC is a development of the 105M with a number of interior updates. Most visibly, however, the cockpit of the 105Mc can be temporarily enclosed with either canvas or solid panels.

This listing is presented by CatamaranSite.com. Visit their website for more information or to contact the seller.

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