Marin County (/ məˈrɪn / ⓘ mə-RIN) is a county located in the northwestern part of the San Francisco Bay Area of the U.S. state of California. As of the 2020 census, the population was 262,321. [4]

Your County representatives The Board of Supervisors establishes policy and adopts legislation to meet community needs. Each Supervisor represents 1 of 5 districts in the County of Marin.

The Marin Convention and Visitors Bureau is committed to providing travelers with accurate and timely resource information about traveling to Marin County safely.

MarineTraffic Live Ships Map. Discover information and vessel positions for vessels around the world. Search the MarineTraffic ships database of more than 550000 active and decommissioned vessels. Search for popular ships globally. Find locations of ports and ships using the near Real Time ships map. View vessel details and ship photos.

MARIN is a globally recognised top institute for maritime research. Our mission is 'Better Ships, Blue Oceans': we stand for clean, smart and safe shipping and sustainable use of the sea.

Explore Marin County’s coastal beauty and redwood forests — top sights, outdoor activities, and hidden gems near San Francisco for an unforgettable trip.

Rather than contributing to the total take of lobsters, Marin collaborates with Maine's lobstering industry to source their product from lobsters already caught and destined for the dinner table.

Just across the Golden Gate Bridge from San Francisco, Marin County welcomes you with a dramatic shift from an urban to untamed landscape. Roughly half of Marin County’s acreage is preserved as parkland or agricultural land, and the other half harbors tiny towns and rural hamlets.