51 Kong & Halvorsen 1982 Boat for Sale

51' Kong & Halvorsen 1982

Kong & Halvorsen Island Gypsy 51 is a heavy-duty, seaworthy,

semi-displacement motor yacht with distinctive trawler lines, wide walk-around

side decks, pilothouse, flybridge, wide beam and Naiad stabilizers for comfort,

excellent stability and copious storage that must be seen to be appreciated for

extended cruising or liveaboard capability! This boat features a three-stateroom,

three-head layout, a spacious master stateroom with centerline queen berth and

two more guest staterooms, suitable for families and sleeping 8-10. You’ll find a

large salon, recliners, 55” TV, Bose sound system, WiFi/Starlink, an open galley

with updated appliances, large windows creating a bright spacious living area.

There is a separate walk-in engine room for dual Volvo TAMD-60B twin diesels

with 1330 gal. fuel providing extended range, as well as, an Olympic boiler for

hydronic heating, air conditioning, Naiad stabilizers and two Onan generators, 8

kW and 13 kW. An added hardtop enclosure over the flybridge creates another

room for family/friends to congregate with the captain with 360 degree panoramic

views and full electronics for comfortable cruising.

This boat has undergone numerous modifications, continuous upgrades and

regular maintenance by current owners who have owned this vessel with loving

care for the past 25 years. Held in a tax paid LLC

EQUIPMENT

Engine Room:

(2) Volvo TAMD-60B engines, turbo/after-cooled 235 hp with approx 6200 hrs (Oil

& raw water impellers changed 05/2025) (Cooling system descaler flush, Cooling

system O-rings/seals replaced 05/2025)(new mufflers-2018)

(2) Twin Disc MG502 transmissions

2” Nibral propeller shafts with 24 x 36 3-blade propellers (shafts 

polished/balanced 08/2020 by Mukilteo Prop, props srvcd-06/2024)

PSS dripless shaft seals

Sigmar 8-gal hot water heater (replaced 08/2025)

Olympic-60 diesel boiler with hydronic heating system throughout boat (serviced

and antifreeze solution replaced 11/2024)

4 fuel tanks (cleaned and inspected 1/2022)

Magnum MS2812 modified sine wave inverter

6 6-volt golf-cart house batteries (replaced 07/2024)

3 12-volt AGM start batteries (replaced 10/2023)

Onan 8 kW MDKD genset - 1480 hrs

Onan 13 kW MDJF genset - 452 hrs

Fireboy Halon 1301 fire suppression system

ProNautic 12-40 amp Battery charger (new 08/2025)

Naiad Model 201 stabilizers (gyro/ seals serviced 10/2023)

Lewmar TT 140-300 bow thruster

Central vacuum system

Galley:

Anova 4-burner stove/oven

Maytag 700watt microwave

LG refrigerator with freezer drawer

Kenmore trash compactor

Frigidaire dishwasher

Dual stainless steel sinks and Corian countertops

Electronics & Navigation:

Uniden UM525 ES VHF radio with remote and Hailing

Standard Horizon Matrix GX2150 VHF with AIS

ICOM IC-M56 VHF radio

Uniden hand-held VHF radio

Tank Tender capacity monitor gauge

Tank Watch holding tank alarm

Furuno 1940 radar (CRT display)

Simrad Broadband 4G radar (integrated display)

Simrad NSS Evo3 12” dual-station multifunction display for radar,

Autopilot, Sonar and GPS tracking

Simrad AP26/27 autopilot with remote

Remote control spotlight

Raritan rudder angle indicator

Furuno GP-39 GPS

Dual Floscan fuel flow monitors

Glendenning engine synchronizer

Navman Trackfish 6500 chartplotter

Dell computer with integrated Coastal Explorer charting software

NMEA 2000 backbone

Aiphone TB-6F telephone intercom system

Kenwood KMR-M3 BT stereo

Peplink Max PRO BR1 5G router with T-mobile SIM, ext. antenna and integrated

Starlink

KVH M5 satellite antenna

TCL 55” QLED TV in salon with Bose 600 soundbar+subwoofer

Vizio LED 32”TV with Roku soundbar in master stateroom

Vizio LED 19” TV with Bose speaker in mid berth

Vizio LED 23” TV in forward berth

DECK-GROUND Tackle:

75 lb CQR Anchor with 250 ft ⅜” BBB change

45 lb Danforth spare anchor + rode

Lofrans Tigres electric windlass

Additional Equipment:

3 Masterflush fresh-water macerator toilets (system replaced 01/2021)

5 Cruiseair air conditioner units (shut down)

Electrolux washer

Whirlpool dryer

Carbon monoxide and fire detectors

Remote wifi security camera

Miele electric BBQ on flybridge

Electric davit on top of salon roof

Avon 8-person emergency raft with emergency ditch bag

Folding aluminum boarding stairs

TNT Marine hydraulic swim and dinghy platform (serviced 2/2026)

Bullfrog 10 ft polyethylene/aluminum tender

Honda 20HP outboard BAMJ-1100055 (complete service 6/2025)

Last survey-02/2026

Last haul-out at LaConner Maritime yard for 2 coats bottom paint & zincs, new

bottom transducer fairing and hydraulic swim step service -02/2026

Boat bottom & keel sandblasted, repaired, followed with 3 epoxy barrier coats

and 2 coats ablative bottom paint

Denison Yachting is pleased to assist you in the purchase of this vessel. This boat is centrally listed by Fairhaven Yacht Sales.

Denison Yacht Sales offers the details of this yacht in good faith but can’t guarantee the accuracy of this information nor warrant the condition of this boat for sale. This yacht for sale is offered subject to prior sale, price change, or withdrawal from that yacht market without notice. She is offered as a convenience by this yacht broker to its clients and is not intended to convey direct representation of a specific yacht for sale.