San Geronimo
Market InsightsSan Geronimo is a census-designated place located in the San Geronimo Valley in Marin County, California in the United States. San Geronimo is located 8 miles southwest of downtown Novato, at an elevation of 292 feet. The population was 446 at the 2010 census.San Geronimo is the home of the San Geronimo Golf Course.