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1971 Custom 64 MY

Miami, Florida


Luxurious live-a-board! Great for entertaining!

Huge master suite with hot tub, queen berth, walk-in closet. Big galley space, almost new appliances. Very comfortable main saloon with lots of seating room for an office! The flybridge/deck area is spectacular!

Well crafted, well cared for and very custom yacht is powered with re-built Cat engines, has 2 generators for electrical power, the latest electronics and security. Truely a must see!


COMPLETE MARINE is pleased to assist you in the purchase of this vessel. This boat is centrally listed by Grove Yacht Sales.

Basic Boat Info

Boat Name: Seaquest
Make: Custom
Model: 64 MY
Year: 1971
Condition: Used
Category: Power
Construction: Fiberglass
Boat Hull ID: SUP640001971
Has Hull ID: Yes


Length: 64 ft / 19.51 m
Length Overall: 64 ft / 19.51 m
Waterline Length: 54 ft / 16.46 m
Beam: 17'6 ft / 5.33 m
Cabins Count: 2

Engines / Speed

Engines: 2
Engine #1 Specs:
  • Make: Caterpillar
  • Model: D-343
  • Drive Type: Direct
  • Fuel: Diesel
  • Engine Power: 440hp
  • Type: Inboard
  • Propeller Type: 3 Blade, Bronze
  • Engine Hours: 15
  • Engine Location: Port
Engine #2 Specs:
  • Make: Caterpiller
  • Model: D-343
  • Drive Type: Direct
  • Fuel: Diesel
  • Engine Power: 440hp
  • Type: Inboard
  • Propeller Type: 3 Blade, Bronze
  • Engine Hours: 1800
  • Engine Location: Starboard
Total Engine Power: 880hp


Fuel Tanks: 2
Fuel Tank Capacity: 500 gal
Water Tanks: 1
Water Tank Capacity: 500 gal
Holding Tank Count: 1
Holding Tank Capacity: 37 gal


Heads Count: 2
Drive Type: Direct
Boat Class: Motor Yachts, Antique and Classics, Cruisers


MATERIAL AND CONSTRUCTION: Displacement hull. Constructed of double fiberglass laminate hull and Coosa composite core molded fiberglass decks and superstructure. Finish is Awlgrip Awlcraft white paint at hull and decks and superstructure in new condition. Hull stiffness is provided by longitudinal core fiberglass stringers in the engine room and under the cabin sole and transverse partial wood bulkheads and partitions tabbed to hull. The interior floor is constructed of wood with varnished and stained Epay wood flooring in new condition.
BRIDGE HARDTOP: Core fiberglass with aluminum support frame. Well secured and in new condition
RUBRAIL: High density PVC with snapped on stainless steel rail. Good condition
SWIM PLATFORM: Core fiberglass with antiskid texture Awlgrip finish. Through bolted to the transom. 
ANCHOR STRIKE PLATE: Custom heavy duty stainless steel plate. New condition
TYPE: Overlap. The hull and deck at this section are solid fiberglass chemically (fiberglass) bonded together and mechanically fastened with stainless steel hardware to create an integral unit. 
BOW PULPIT (BOW RAIL): Welded stainless steel tubing from bow to midship continuation of the raised deck and cockpit fiberglass enclosure. 
TOE RAILS: Molded fiberglass raised bulwark integral part of deck. Serviceable and good condition
CHOCKS AND CLEATS: Stainless steel. Well secure and good condition
WINDLASS/GIPSY: Neco Marine 110 VAC electric windlass with cover. Well secured and good condition
HAWSE PIPES: Stainless steel. Good condition
PUSHPIT (STERN PULPIT): Core fiberglass integral part of deck and hull structure.
PORTLIGHTS: Painted metal openings portlights. Good condition
WINDOWS AND DOORS: Grey glass and tempered safety glass. Good condition
GRAB RAIL: Stainless steel. Well secured and good condition
LIFE LINES: Stainless steel rail and cable. Well secure and good condition
ANCHOR PLATFORM: Custom heavy duty stainless steel single anchor roller platform. 
DAVITS: Freedom custom hydraulic davits
SWIM LADDER: Stainless steel foldable ladder at swim platform. Well secure and good condition
FILL FITTINGS: Stainless steel well marked for use.

TYPE: Large bridge deck with aft cockpit and side walkway overhangs. Bridge enclosure and deck are molded core fiberglass with Awlgrip finish, good condition. New molded fiberglass console with flushed mounted electronics and engine controls. Stainless steel handrails, good condition. Drainage is overboard.
HARD TOP: New core fiberglass hard top supported by aluminum frame. 
HELM CHAIR: Stidd two person custom helm seat with teak backing and foot rest
SEATS AND TABLE: Molded fiberglass bench seats with teak table. 
FURNITURE: Outdoor longing chairs with fabric cushions. 
TENDER DAVITS: Freedom custom hydraulic lift with remote control. 
HELM SEAT: Stidd two person custom electric helm seat with teak backing and foot rest
LIGHTS: LED lights at exterior and interior. 
UNDERWATER LIGHTS: Four Lumitec LED lights.

BRIDGE APPLIANCES: U-Line fridge/freezer. Miele electric grill and Kenyon electric 2 burners stove. Good condition

INTERIOR FLOORING: Varnished Epay hardwood throughout. New condition
SPA: Spa at master cabin head. Good condition
CAMERA SYSTEM: Eight zone system with camera and large LG flat screen monitor. BBQ: Stainless steel
DOCK LINES AND FENDERS: Various three strand nylon dock lines and fenders sighted to secure vessel to dock


CABINETS AND COUNTERTOP: Varnished wood cabinets and marble countertop. Ceramic back splashes. 
FLOORING: Varnished wood. 
SINKS: Double stainless steel sink and faucet
REFRIGERATION: Avanti size refrigerator/freezer. Stainless steel facing. 
STOVE/OVEN: Four burners glass top stove with oven. Stainless steel facing. 
MICROWAVE: Magic Chef. 
TOASTER/OVEN: Welbilt toaster/oven. 
WINE COOLER: Glass door wine cooler.


LOCATION: Walk in engine room located under the salon sole with good access
TYPE: Twin diesel engines with turbo and aftercooler
HORSE POWER: 440 hp each
INDICATED HOURS: Starboard: 1800 . Port: 15 since rebuild
THROTTLE & SHIFT CONTROLS: Upper and lower helm station, port and starboard electronic single engine control lever. Glendinning electronics electro-mechanical servo actuator located in the engine compartment. Mechanical Ultraflex morse type cables from actuator to engine throttle and transmission shift lever. 
ENGINE MONITORING GAUGES: VDO NEMA 2000 at both helms Garmin chartplotters and analog gauges at the lower helm and engine compartment.
ENGINE MOUNTS AND BED: Rigid engine mounts secured to metal brackets secured to core fiberglass stringers.
EXHAUST SYSTEM: Dry / wet exhaust system. 
STUFFING BOX: Port and starboard stuffing box and packing gland are bronze self aligning packing boxes.
SYSTEM: Freshwater closed reservoir type cooling with heat exchanger raw water cooled.  Bronze raw water thru-hulls and seacocks.
TYPE: Twin Disk marine gear. Direct drive with rigid coupling. Electronic/mechanical controls.MAIN ENGINE(S) FUEL SYSTEM
SYSTEM: The fuel system consist of two baffled fiberglass tanks of 1000 gallons total capacity located in the engine compartment. Tanks are manifolded through valve system at aft bulkhead engine room. Fuel transfer pump with polishing Racor filter. Stainless steel fill fittings located on deck, well marked for use. Flexible fill and overboard vent
hoses. Supply and return lines are copper tubing and approved flexible hose secured with stainless steel clamps.
Racor primary filters for engines and generators. 

Electrical System

SYSTEM: 12 and 24 DC system. All batteries are Mastervolt AGM. 24 volt is powered by two 8D and two group 31. 12 volt is powered by two 4D. Paneltronics 12 & 24 volt electrical panels at lower and 24 volt in the engine room and 12 volt at upper helm and 12 & 24 volt sub panels at master cabin stairway. Main battery shut-off switches. All wires are marine grade and are well routed and supported where sighted. All DC system and equipment are protected at helm and engine room panel with branch circuit over-current protection resettable breakers. 
CHARGING SYSTEM (BATTERY CHARGER) : One Mastervolt 12/35-3 for the 12 volt and one Mastervolt 24/60-3 for the 24 volt. 
CHARGING SYSTEM (ALTERNATOR): Belt driven engine mounted at each engine.
VOLT: 120/240
SHORE POWER INLETS: Hubbell 50A 125/250V
SHORE POWER CORD: One 50A / 240V molded cordset. 
MAIN PANELS: Paneltronics 240 Volt and 120 Volt panels at the lower helm station. 120 volt sub-panel at master cabin stairway.
AC SOURCE SELECTOR SWITCH: Shore or generator triple pole switches with manual plastic slide type located at main panel. 
MAIN BREAKER: At main panel
BRANCH BREAKERS: Branch overcurrent protection resettable breakers at panels. 
CIRCUIT LOAD MONITORS: Volt and amp digital gauges at main panel. 
OUTLETS: Various outlet receptacle are located throughout the vessel
MAIN GENERATOR: 20 KW Northern Lights. Model: M844LW3.3. Three station remote control panels
BACKUP GENERATOR: Norpro 13 KW. Model: 13. 

LOCATION: Engine compartment

EXHAUST SYSTEM: Raw water wet exhaust. 


All electronics instruments have been upgrade to Garmin system. 
GPS CHARTPLOTTER: Upper helm: Two Garmin GPSmap 7612xsv touch screen. One Garmin GPSmap 7215
Lower helm: One Garmin GPSmap 5212
RADAR: Garmin HD interface to the chartplotters
AUTOPILOT: Garmin GHC 20 color control head with rudder position indicator at both helms. Hydraulic pump in the engine compartment
DEPTH-SPEED MULTI FUNCTION: Two Garmin multi data at both helms
SHIPS CLOCK: Weems & Plath
STEREO SYSTEM: Blue tooth system with Bose speakers
TELEVISION(S): One 65" Sony with Bose surround sound system at salon and one Samsung at master cabin.


Five unitized self-contained reverse cycle units. Three 220 VAC and two 110 VAC units. Each unit is of 16,000 btu capacity. Sea water cooling is provided by three AC circulating pumps. Raw water is from bronze thru-hulls and seacocks. Double stainless steel hose clamps on all connections. Digital controls.

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.

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