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is a city in San Luis Obispo County, California, United States. The population was 8,551 at the 2000 census.
According to the United States Census Bureau, the city has a total area of 13.4 square miles (34.8 km²). 3.6 square miles (9.3 km²) of it is land and 9.8 square miles (25.5 km²) of it (73.09%) is water.