San Rafael is a city and the county seat of Marin County, California. The city is located in the North Bay region of the San Francisco Bay Area. As of the 2010 U.S. Census, the city's population was 57,713. Neighboring communities include Santa Venetia (to the north), San Anselmo (to the west) and Greenbrae (to the south).

Mill Valley is a city in Marin County, California, United States, located about 14 miles (23 km) north of San Francisco via the Golden Gate Bridge and 52 miles (84 km) from Napa Valley. The population was 14,231 at the 2020 census.

Inverness is an unincorporated community and census-designated place located in western Marin County, California. Inverness is located on the southwest shore of Tomales Bay 3.5 miles (5.6 kilometers) northwest of Point Reyes Station, at an elevation of 43 feet (13 meters). In the 2010 census, the population was 1,304.

Ross is a small incorporated town in Marin County, California, just north of San Francisco. Ross is located 1.5 miles (2.4 km) west-southwest of San Rafael, at an elevation of 36 feet (11 m). The population was 2,415 at the 2010 census. The town is bordered by Kentfield and Greenbrae to the east, Larkspur to the south and San Anselmo to the north.

Bolinas is an unincorporated coastal community and census-designated place in Marin County, California. As of the 2020 census it had a population of 1,483. It is located on the California coast, approximately 13 miles (21 km) (straight line distance) northwest of San Francisco, and 27 miles (43 km) by road.

Stinson Beach is an unincorporated community and census-designated place in Marin County, California, on the west coast of the United States. Stinson Beach is located 2.5 miles (4 km) east-southeast of Bolinas, at an elevation of 26 feet (8 m). The population of the Stinson Beach CDP was 541 at the 2020 census.

Sausalito is a city in Marin County, California, located 1.5 miles (2.4 kilometers) southeast of Marin City, 8 miles (13 km) south-southeast of San Rafael, and about 4 miles (6 km) north of San Francisco from the Golden Gate Bridge. Sausalito’s 2020 population was 7,269.

Corte Madera is a small town located in Marin County, California, just north of San Francisco. It is situated at the base of Mount Tamalpais and is bordered by the towns of Larkspur, Mill Valley, and San Rafael. The population was 10,222 at the 2020 census.

Belvedere is a small, upscale city located on the Tiburon Peninsula in Marin County, California, just north of San Francisco. It is situated on a narrow strip of land that separates Richardson Bay and the San Francisco Bay. At the 2020 census, the population was 2,126.

Kentfield is a small unincorporated community located in Marin County, California. It is situated in the heart of Marin County, just north of San Francisco, and is known for its beautiful natural surroundings and upscale residential neighborhoods.