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MARJORIE J. WINSLOW
Photo by: Unknown

Built in 1944, by Pensacola Shipyard and Engine Company of Pensacola, Florida (hull #12) as the ST-725 for the United States Army.

In 1945, the tug was acquired by the Jacksonville Utility Company of Jacksonville, Florida. Where the tug was renamed as the Utility.

In 1964, she was acquired by the St. Philip Coastal Towing Company of Tampa, Florida. Where the tug was renanmed as the Marilyn. However in 1965, the St. Philip Coastal Towing Company renamed the tug as the Mary St. Phillip.

In 1969, she was acquired by the Coastline Towing Corporation of Providence, Rhode Island. Where the tug was renamed as the Castle Hill.

In 1977, the tug was acquired by the Thames Towboat Company of New London, Connecticut. Where she retained her name.

In 1977, she was acquired by Winslow Marine Incorporated of Southport, Maine. Where she was renamed as the Marjorie J. Winslow.

In 2012, the tug was acquired by the Eastport Port Authority of Eastport, Maine. Where she was renamed as the Capt. Mackintire.

However, the tug is no longer listed in documentation. Her current and or final disposition is unknown. She was powered by a single Clark Brothers diesel engine rated at 750 horsepower. Her electrical service is provided by two 30kW generators. Driven by two 4-71 diesel engines.
(Carel Boone, Steven M. Bryan Sr., Captain Brian Fournier)


  • Vessel Name: MARJORIE J. WINSLOW
  • USCG Doc. No.: 252350
  • Vessel Service: TOWING VESSEL
  • IMO Number: 6415192
  • Trade Indicator: Coastwise Unrestricted, Registry
  • Call Sign: WB4066
  • Hull Material: STEEL
  • Hull Number: 12
  • Ship Builder: PENSACOLA SHIPYARD & ENG. CO.
  • Year Built: 1944
  • Length: 80.4
  • Hailing Port: EASTPORT, ME.
  • Hull Depth: 9.7
  • Hull Breadth: 23
  • Gross Tonnage: 149
  • Net Tonnage: 76
  • Previous Vessel Names:
    ST 725, Utility, Marilyn, Mary St. Philip, Castle Hill, MARJORIE J. WINSLOW, MARJORIE J. WINSLOW
  • Previous Vessel Owners:
    United States Army, Jacksonville Utility Co, St. Philip Coastal Towing Co., Coastline Towing Corp., Thames Towboat Co. INC., SHEEPSCOT PILOTS,INC., SHEEPSCOT PILOTS,INC. EASTPORT PORT AUTHORITY