Treasure Island is now part of District 6 of the City and County of San Francisco , though it is still owned by the Navy .
In 1996 , Treasure Island and the Presidio of San Francisco Army Post were decommissioned and opened to public control , under stipulations .
Treasure Island is now part of District 6 of the City and County of San Francisco , though Treasure Island is still owned by the Navy .
In 1996 , Treasure Island and the Presidio of San Francisco Army Post were decommissioned and opened to public control , under stipulations .