Marina is a city in Monterey County, California, United States. The United States Census Bureau estimated its 2013 population at 20,370.Marina is located along the central coast of California, 8 miles (13 km) west of Salinas, and 8 miles north of Monterey. Marina is also connected to Monterey, California by California State Route 1, which also connects it with Santa Cruz, California, after driving for about 35 miles.