Sail Catamaran for sale
1979 SPRONK Custom 49 (49ft)

Peter Spronk became a legend with catamaran aficionados by designing and building some of the fastest and most beautiful catamarans ever made. Blue Moon is one of them. Custom made in 1979, Blue Moon was completely refitted in 2013 with every nut and bolt, every surface, and every piece of equipment being redone as new. Further upgrades in 2018 include 19 feet of new acrylic windows in the salon, new autopilot and beefed up steering pump for exceptional speeds and sea conditions. The boat was sailed in 2018 from the BVI’s to the Abacos in heavy weather (930 NM), with all sails reefed, in 96 hours. That’s 9.69 knots average on the open ocean. The owner reports sailing single-handed in the double digits and finds the ketch rig easy to handle. It's comfortable with two queen-sized berths and ensuite electric heads aft, and a crew cabin forward with ensuite electric head.


Boat Length: 49 ft
Asking Price: $249,000
Boat Name: "BLUE MOON"
Manufacturer: SPRONK
Model: Custom 49
Type of Yacht: Sail
Boat Condition: Used 
Boat Status: Catamaran for Sale
Model Year: 1979
Year Built: 1979


Manuf. Length: 49' 0" ( 14.94 m)
Maximum Draft: 4' 0" ( 1.22 m)
Minimum Draft: 4' ( 1.22 m)
Beam: 21' 6" ( 6.55 m)
LWL: 45' 0" ( 13.72 m)
Mast Height Clearance: 60' ( 18.29 m)


Holding Tank: 2x 7.5 gallons
Cruise Speed: 8 Kts
Max speed: 10 Kts
Weight Displacement: 7 ton (14000 lb)


Hull Material: Plywood Epoxy
Hull Configuration: Catamaran


Does the boat have a generator?: Yes
Generator Model: Maspower
Generator Operating Hours: 150
Generator Horsepower: 7.0 kw


Does a dinghy come with the boat?: Yes
Dinghy Model: Carib
Dinghy Model Year: 2009


Used Sail Catamaran for Sale 1979 Custom 49

Blue Moon is a beautiful ketch rigged Spronk catamaran in first-rate condition. Her narrow hulls and low profile give her exceptional speed and the ability to handle blue water passages. She was completely refitted in 2011 and 2013 in St. Martin with further upgrades added in 2018. Robbie Ferron, the organizer of the Caribbean Multihull Challenge, said about Peter Spronk: “ His boats were amazing, they were about simplicity and manageability…. Nothing straddles the decades like Spronk”. 


City: St. Augustine
State / Province / Island: Florida
Country: United States


Engine Manufacturer: YANMAR
Engine Model: 3JH5CE
Engine Year: 2013
Engine Horsepower: 39 HP
Engine Hours (Port): 230
Engine Hours (Starboard): 230
Engine Type: InBoard
Engine Configuration: Twin
Engine Fuel Type: Diesel
Engine Condition: Used

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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.


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 desired validated. This vessel is offered subject to prior sale, price change, or withdrawal without notice. Photos may not properly reflect the current condition of the actual vessel offered for sale. In some cases stock photographs may have been used.

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