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Halycon is an excellent example of a fabulous Downeast vessel. She is fully equipped, and ready to go cruising. She has recently had many upgrades. Some of them are; the PVC toe rails have been replaced with teak, the hull has been Awl-gripped flag blue, the port lights have all been replaced with chrome, a new fiberglass swim platform has been added.  In the salon there has been a settee added to the starboard and a bookcase with built in stereo.  In the cockpit there is a custom made teak bench to go across the transom. The varnish has been redone on the exterior and as needed on the interior. Electronics have been upgraded. New x-tra duty rubber engine mounts have been installed and the prop has been newly tuned. The engine has had all the changes made as suggested by CAT completed by CAT, and then performance tested and sea trialed.  Speeds: 19 knots at 80% engine load, 17.6 knots at 56% engine load and 23 knots at 99% engine load and 2350 RPM.


Downeast hull designs are known for their soft, dry ride. They ride at relatively flat angles at all speed ranges. Moreover, like many private airplanes, their single engine design cuts fuel and maintenance costs in half and a keel that gives the best protection to the propeller and rudder possible

Layout and Design

Number of single berths: 2
Number of double berths: 1
Number of cabins: 2


Steering wheel

Inside Equipment
Battery charger
Hot water
Microwave oven
Bow thruster

Electrical Equipment
Shore power inlet


Fuel tanks - 2 tanks 250 gallons each = 500 gallons total

Water tank: - 250 gallon

Holding tank - 20 gallon


The forward stateroom features an offset queen berth with shelves out board port and starboard. There are two brass lamps mounted on the bulkhead for your reading pleasure. There is an abundance of storage under the berth along with a hanging locker and three drawer storage to port. You also have an access panel to the anchor locker forward and an access panel to the bow thruster under the berth. Walking aft to starboard there is teak raised panel door that enters into a spacious head and separate shower stall. The head features a Sealand vacuflush toilet, vanity with drawer storage under and cabinets above and single stainless sink with hot & cold pressure water. Just aft the head is a comfortable size bunk room. The berths are athwart ship with storage below the bottom bunk. There is teak access panel to wiring behind the control panel. To close off the bunk room is a teak raised panel door. The galley is down and is very spacious. There is ample dry storage and counter space for preparing meals. Up a few steps into the open salon area there is ample space to spread out. The helm is located to starboard, there is a large chart table with storage under to port followed by a raised L-settee with high low table, which converts to a double berth.  Additional seating on the starboard settee with a bookcase and built in stereo. At cabin sole level there are cabinets for storage port and starboard and storage under the L-settee and just aft of the settee is a large hanging locker. Throughout the interior there is a teak and holly sole and teak trim, the helm deck has sliding side windows with screens and a new forward center window that opens' below are six new opening ports with screens. There are several access panels in the sole that allow you to climb down into the engine room. New LeBlanc Industries helm and nav seats have been added with 4” custom Stainless Steel pedestals.



Single stainless sink

Hot & Cold Pressure water

GE Microwave

Nova Kool up right Frig and Freezer

Electric 3-burner

Electrical and Mechanical

The circuit breaker panel is next to the helm for easy monitoring AC & DC systems. The generator has a sound shield and separate Racor filter.

Proline Inverter Charger 2000 watt

Tank Tender - fuel monitor

Holding Tank monitor

4 AGM batteries (2) 8D and (2) 4D plus generator battery

Helm station battery switch

(2 House/Engine and 2 Inverter)

Northern Lights 8KW Gen. (218hr)

Racor Filter in generator

Gen. 12V battery

50amp/120 volt shorepower

110 amp alternator

Fire Boy fire suppression system

Dual Racor Engine fuel Filters

(3) Bilge pumps

Windshield wipers/washers

Sidepower Bow Thruster SP95

Cockpit courtesy lights have been added


The following items are located at the helm. Along with a beautiful finished teak wheel and

 helm seat. The electronics are all recessed in to a teak Himalaya panel.

Simrad AP20 Autopilot

Furuno NavNet Radar

Ritchie Compass


12V plug

Caterpillar engine monitoring panel

Icom VHF

New stereo system installed


Hull and Deck

The Duffy hull has been newly awl gripped flag blue, the decks beige and white cabin house. The easy walking side decks feature a new stainless hand rail. Forward is the teak anchor platform. The cockpit is very large with teak trim coamings, and two large center line cockpit lockers for storage. On the cabin top is dinghy storage and a Nautical structures crane for easy lifting.   The toe rails have been replaced with teak and all exterior varnish has been redone. Windshield washer function has been added to the three front salon windows along with a new opening front center window.  The mast and cockpit hatches have been refinished.  The bow rails were removed , the fiberglass de-cored, laid up solid and the rail reinstalled with backing plates.  A transom door has been added to make ease of boarding.  Several hand holds have been added for ease of boarding.  A teak cockpit bench seat has been added.


This Duffy has always been maintained by conscientious owners. She is just out of our shop, super clean, well equipped, and a delight to show.


Also included:


Dock Lines

Boat Hook

Plow Anchor w/rode & chain

Caribe HBI tender


Shorepower Cord



Speed: 19 knots at 80% engine load

           17.6 knots at 56% engine load

           23 knots at 99% engine load and 2350RPM

LOA: 42
Beam: 14'6
Draft: 4'9
Displacement: 28000
Fuel Capacity: 500
Water Capacity: 250
Type: Cruising
Builder: Duffy
Model: 42' Downeast Sedan
Year: 2002
Hull Material: Fiberglass
Location: Rockland, ME
Boat Engine: Catepillar
Horsepower: 660
Cruising Speed: 19
Top Speed: 23

For more information contact:

Scott F. Layton
(207) 701-1235

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