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is a city in Monterey County, California, United States. The population was 25,101 at the 2000 census. Marina was incorporated in 1975 and is the newest city on the Monterey Peninsula.
According to the United States Census Bureau, the city has a total area of 9.6 square miles (24.9 km²), of which, 8.8 square miles (22.7 km²) of it is land and 0.9 square miles (2.2 km²) of it (8.85%) is water.