Daly City is a city located in San Mateo County, California, United States. It is situated just south of San Francisco and covers an area of approximately 7.7 square miles. Daly City has a population of around 107,000 people, making it the largest city in San Mateo County.
Thornton State Beach is a protected beach in the state park system of California. It is located on the Pacific coast of Daly City in the San Francisco Bay Area.