Coastsiders is a community along the coast of San Mateo County, California, and includes the towns of Montara, Moss Beach, Princeton-by-the-Sea, El Granada, Pacifica, Half Moon Bay, Pescadero, Loma Mar, La Honda and San Gregorio.
Martini Creek is a coastal stream whose watershed lies entirely within San Mateo County, California, United States on the western exposures of the Montara mountain block, discharging to the Pacific Ocean.
This Pedro Mountain headland blocks the easy passage of coastal travelers between the Pedro Valley in Pacifica, California and Montara, California.