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M/T GREAT LAKES
Pictured as: the M/T Balboa (Bunker Pro) Photo by: Unknown

Built in 1963, by Ingalls Iron Works Company of Decatur Alabama (hull #1577) as the Sinclair Great Lakes for Sinclair Refining, (also known as the Dover Tanker Group) of Wilmington, Delaware.

She was launched on January 17, 1963 and christened on April 10th of 1963.

In July of 1972, Sinclair Refining merged with Atlantic Richfield where the unit was renamed as the Great Lakes.

In 1976, she was acquired by the Island Park Tanker Corporation of Staten Island, New York where she retained her name.

The unit was then acquired by the Eklof Marine Corporation of Staten Island, New York where she retained her name.

In 1993, the Eklof Marine Corporation was acquired by K-Sea Transportation Partners, also of Staten Island, New York where she retained her name.

After years of service to K-Sea Transportation she was placed in "lay up" in Philadelphia, Pennsylvania as a result of OPA '90 regulations prohibiting single skin vessels from transporting petroleum products.

In 2007, the Great Lakes, was acquired the Panamanian Company Bunker Pro where she was renamed as the Balboa. She departed Philadelphia for Panama on October 5th, 2007. She is reported to be in the bunkering service near the Panama Canal.

She is powered by two Fairbanks 10-38D81/8 main engines, with Lufkin reduction gears at a ratio 2.294:1 for a rated 1,600 horsepower.


  • Vessel Name: M/T GREAT LAKES
  • USCG Doc. No.: 290943
  • Vessel Service: TANK SHIP
  • IMO Number: 6329020
  • Trade Indicator: Coastwise Unrestricted
  • Call Sign: WDB5560
  • Hull Material: STEEL
  • Hull Number: 1577
  • Ship Builder: INGALLS IRON WORKS CO
  • Year Built: 1963
  • Length: 321
  • Hailing Port: ANCON, PANAMA
  • Hull Depth: 23
  • Hull Breadth: 50
  • Gross Tonnage: 2813
  • Net Tonnage: 2053
  • Owner:
    INTEROCEANIC SUPPLY SERVICES
    Cascadas Road
    585 Quarry Heights
    Ancon, Panama.
  • Previous Vessel Names:
    M/T Sinclair Great Lakes, M/T Great Lakes
  • Previous Vessel Owners:
    Sinclair Refining / Dover Tanker Group, Island Park Tanker Corporation, Atlantic Richfield, Eklof Marine Corporation, K-SEA TRANSPORTATION LLC, K-SEA OPERATING PARTNERSHIP L P, BUNKER PRO SA