Inverness is an unincorporated community and census-designated place in western Marin County, California, United States. It is located on the southwest shore of Tomales Bay 3.5 miles northwest of Point Reyes Station and about 40 miles by road northwest of San Francisco, at an elevation of 43 feet. In the 2020 census, the population was 1,379. The community was named by a Scottish landowner after Inverness in Scotland.