SpaceX Starbase—previously, SpaceX South Texas Launch Site and SpaceX private launch site—is an industrial complex and rocket launch facility that serves as the main testing and production location for Starship launch vehicles, as well as the headquarters of the American space technology company SpaceX. Located at Boca Chica, near Brownsville, Texas, United States, and adjacent to South Padre Island, Texas, Starbase has been under near-continuous development since the late 2010s, and comprises a spaceport near the Gulf of Mexico, a production facility at Boca Chica Village, and a test site along Texas State Highway 4.