Edwards Yacht Sales

1994 Jefferson 56 Marquessa Extend Deckhouse

  • 56 ft
  • Pilothouse
  • St Petersburg, FL, US

Yacht price



Very clean & extremely well maintained mechanically- Jefferson 56 Marquessa Extend Deckhouse Motor Yacht located in Tampa, FL.  She has four (4) staterooms and a four (4) head layout. Powered by well maintained twin GM Detroit Diesels 6V92-TA 550hp and equipped with 20 kw Westerbeke generator, extensive electronics and amenities. She is perfect for live aboard or extended cruising. Yacht logs, maintenance records, receipts and equipment manuals are available for review. 


Diver monthly

USCG Documented Vessel

Forward looking Sonar


Never used water maker still in box capable of 100 gal/day

Price reduction just in time for Summer Boating Season

See FULL SPECS for details on why Beach House will make your cruising dreams come true!


Basic Information

56 Marquessa Extend Deckhouse
St Petersburg, FL, US
Available for sale in U.S. waters:
Vessel Name:
Beach House
Boat Type:
Hull Material:
Hull Type:
Hull Color:
Flag of Registry:

Dimensions & Weight

56 ft - 17.07 meter
56 ft - 17.07 meter
16 ft - 4.88 meter
Draft - max:
Bridge Clearance:
19 ft 5 in - 5.92 meter
Dry Weight:
75000 lbs


Detroit Diesel
6V92 (TA)
Cruise Speed:
14 MPH
Joystick Control:
Engine Type:
Drive Type:
Fuel Type:
550 (Individual), 1100 (combined)
Max Speed:
18 MPH

Tank Capacities

Fuel Tank:
233 gallons - 3 tank(s)
Fresh Water Tank:
200 gallons - 1 tank(s)
Holding Tank:
30 gallons - 2 tank(s)


Total Cabins:
Total Berths:
Total Sleeps:
Total Heads:
Captains Cabin:
Crew Cabins:
Crew Berths:
Crew Sleeps:
Crew Heads:




Four state rooms and four head layout makes this an ideal family or friends cruising vessel or live aboard with loads of storage.

The Master Stateroom aft of the engine rooms has a large center line queen bed with night stands and plenty of drawer space with counter tops outboard. There are two large hanging lockers lined with camphor wood and make-up vanity. All the bulkheads and storage areas are finished in satin varnished teak. Forward to starboard is a private head with sink and Corian counters. To the port in the head is a stand up shower/tub arrangement with curtains. Custom curtains over all port lights for privacy and carpet over teak parquet flooring custom cut for easy removal if desired. Television, marine heat & air, phone/intercom, recessed lighting both AC/DC .

  • 3 Guest Staterooms in addition to the Master Stateroom: (1) Forward of the Starboard engine room with twin single berths separated by a bureau. Teak bulkheads with large hanging locker and storage drawers under both berths. Recessed lighting AC/DC, custom curtains, marine air & heat, phone/intercom. Aft of this is the head with Corian counter tops and sink with separate shower stall with teak grate floor. (2) Forward of the port engine room has upper and lower berths with large lighted hanging locker and drawers for storage under the berths. Marine air/heat, recessed AC/DC lights, custom curtains. Has en suite head and shower with Corian sink and counter tops. (3) Forward of the Galley this stateroom has upper and lower single berths with port lights on both port and starboard. Large hanging locker with drawers under the lower berth for storage there is a separate shower stall with teak grate floor and teak trim. Across from shower is the head with Corian sink and counter top lots of storage under sink and above counter top. This stateroom has TV hookup, Phone / Intercom, amazing amount of storage, and accommodates for both guest or crew to comfortably.



The flybridge was enclosed October using Stamoid marine fabric and 40 mil Strataglass for aft and side curtains and 60 mil Strataglass for the front. All glass is tinted and RIRI zippers were used along with stainless steel tubing, fittings, and snaps. Port side has an L-shaped banquette with hi-lo table and starboard side has a banquette and molded bar and sink with U-line ice-maker. The helm has a single adjustable chair providing 360 degrees view. Aft is the Marquipt 1500 lbs.crane/davit for a tender. The radar arch is hinged for lower clearance.

  • ICOM 125 VHF
  • Standard Horizon 12" Color Plotter
  • AIS System
  • Interphase Forward Looking Sonar
  • Air Compressor/Air Horns

Wheelhouse; Salon


The Wheelhouse is separated from the Main Salon by a large etched glass window. All bulkheads are finishes in satin varnished teak. Doors on port and starboard provide access to side decks. Helm seating for the Captain gives great view forward through 3 large windshields with electric wipers. Starboard of the helm seat and divider is a ladder leading to the flybridge. Port of the helm teak parquet steps lead to the Galley below. The helm seat and etched glass divider house the entertainment center.  Aft on starboard side a u-shaped settee with left up seats for extra storage placed on custom carpet accented with custom drapes. Starboard there are two chairs, wicker trunk, and large ottoman in center of salon. All upholstery and window treatments new in 2006.

Salon windows have blinds and window treatments are lined with sun blocking material.



Galley down from pilothouse with teak bulkheads two large sliding windows both port and starboard. Teak parquet sole covers the generator room sound shield insulation keeps engine sounds to a minimum. L-shaped banquette with hi-lo teak table on the port side of galley. Lexan sliding panels behind banquette hide storage for glass ware with more storage under banquette. Down two steps aft the galley just forward the port engine room a closet houses the stacked washer / dryer.

  • GE 4-burner stove and oven
  • GE trash compactor
  • NEW microwave oven
  • Magic Chef dishwasher
  • RCA side by side refrigerator/freezer
  • Sink
  • Teak cabinets
  • Vented hood over stove
  • Intercom / Phone


Deck; Hull

NEW BOTTOM PAINT October 2017.

Bottom and hull cleaned monthly.  On the foredeck is a large settee covered and built into the cabin house. Forward are port and starboard two dunnage boxes and 4 stainless steel 10" fender racks. Under the seat are two large storage compartments which also house both fresh water and sea water wash down. Aft deck is entered from main salon through high gloss varnished teak double doors or swim platform. This area has hard enclosed port and starboard bulkheads with sliding tinted glass windows. There is a teak rail across the back deck with 40 mil tinted Strataglass/canvas curtains to complete the enclosure. The aft deck has a wet bar on the starboard and U-Line ice maker / refrigerator on the port side.

  • Bow pulpit
  • 60 lb. stainless steel plow in the roller
  • 300' of chain
  • Maxwell 2200 electric windless w/ wildcat & gypsy
  • Wheel House and deck controls for windless
  • Marquipt 6 step boarding ladder
  • Aft Swim ladder
  • Hot & cold water shower on swim platform
  • TV, Phone, Intercom, AC/DC lights



Very Clean & Well Maintained! Each walk in engine room and generator room has Fire Boy automatic halon fire extinguisher system with controls at both the upper and lower helm stations. Twin 550 hp Detroit Diesel 6V92 (TA) each with Twin Disc 2.04:1 Gear reduct. Sound shield insulated bulkheads and overhead for quiet operation while underway. 2350 Hours on engines

  • Fresh Water Cooling
  • Oil Transfer system (for all 3 Engines!)
  • Racor fuel filters
  • Raw water strainers
  • Engine temperature alarms
  • Air Seps on main engines
  • Fuel shut off controls
  • Electric fuel priming pumps
  • Emergency engine stops
  • Engine synchronizers
  • Spare prop and shaft



Electrical & A/C

Electrical & A/C

This yacht is equipped with a 20kw Westerbeke generator (2964 hours) along with both port & starboard dockside electrical inlets.

  • 110v / 240v AC electrical system
  • 12v / 24v DC electrical system
  • 20kw Westerbeke generator (2964 Hours)
  • (6) 8d 12 volt heavy duty batteries
  • (1) 4d 12 volt heavy duty battery for gen set
  • New 24V and 12V DC Smart Chargers
  • Electric water heater (30 Gal.)
  • Navigation lights
  • Spreader lights
  • Phone and cable TV inlets (port & starboard)
  • (2) 50 amp 50 foot Dockside electrical cables
  • Raritan Coast Guard approved type 1 waste treatment system (Master & Str. Heads)
  • Watermaker (never been used)



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.

Mechanical Disclaimer

Engine and generator hours are as of the date of the original listing and are a representation of what the listing broker is told by the owner and/or actual reading of the engine hour meters. The broker cannot guarantee the true hours. It is the responsibility of the purchaser and/or his agent to verify engine hours, warranties implied or otherwise and major overhauls as well as all other representations noted on the listing.


advanced co brokerage Florida power is pleased to assist you in the purchase of this vessel. This boat is centrally listed by Yachtmann.com.

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Disclaimer: This listing is courtesy of the BoatWizard MLS and may be centrally listed with another broker. It is offered as a convenience by this broker/dealer to its clients and is not intended to convey representation of a particular vessel.(6942438)

Edwards Yacht Sales