Tomales is a census-designated place (CDP) on State Route 1 in Marin County, California, United States. The population was 204 at the 2010 census.
When Europeans first reached Tomales Bay, it was home to Coast Miwok people. Numerous authenticated Miwok villages are known from this area, including one (named Utumia) sited near the present-day town of Tomales.The Tomales post office opened in 1854, and changed its name to Tomales before 1879.Starting in the 1870s, Tomales was a stop on the North Pacific Coast Railroad connecting Cazadero to the Sausalito ferry.
Much of the 2001 movie Bandits was filmed in and around Tomales, as were the opening shots of Mumford (1999), and parts of Scream (1996), and Village of the Damned (1995).