The San Francisco Naval Shipyard was a United States Navy shipyard in San Francisco, California, located on of waterfront at Hunters Point in the southeast corner of the city. Originally, Hunters Point was a commercial shipyard established in 1870, consisting of two graving docks purchased and upbuilt in the late nineteenth and early twentieth century by the Union Iron Works company, later owned by the Bethlehem Shipbuilding Company and named Hunters Point Drydocks, located at Potrero Point.