Grover Beach is a city in San Luis Obispo County, California, United States. The population was 13,067 at the 2000 census. This city was originally called, 'Grover City'. The name was changed by popular vote in 1992 to emphasize the seaside location. Grover Beach apartments for rent comparison page shows most up to date rent information on Grover Beach apartments and houses. Rent information is obtained from multiple rental sources but we cannot guarantee their accuracy.