Starbase, formerly Boca Chica Village or Kopernik Shores, is a city in Cameron County, Texas, United States, at the mouth of the Rio Grande. It was formed in the late 1960s, and is still extant as of 2025, although the village proper has changed greatly since 2018 as SpaceX came to purchase much of the land of the village. It lies 20 miles (32 km) east of the City of Brownsville on the Boca Chica peninsula, and forms part of the Brownsville–Harlingen–Raymondville and the Matamoros–Brownsville metropolitan areas. It is situated on Texas State Highway 4, immediately south of the South Bay lagoon, and is located about 2 mi (3.2 km) north of the mouth of the Rio Grande. Although the name Kopernik Shores is no longer in popular use, its still used occasionally in official contexts per the U.S. Board on Geographic Names. The population was 500 as of 2025. Numerous construction projects are underway including a community center, school, clinic and additional housing.