Half Moon Bay is a coastal city in San Mateo County, California, United States.
Its population was 11,324 as of the 2010 census. Immediately at the north of Half Moon Bay is the Pillar Point Harbor and the unincorporated community of Princeton-by-the-Sea. The urban area had a population of 20,713 at the same census. Half Moon Bay began as a rural agriculture area, primarily used for grazing of cattle, horses, and oxen used by Mission San Francisco de Asis (established in June 1776). Following the secularization of the Mission, Tiburcio Vásquez received the Rancho Corral de Tierra Mexican land grant in 1839 and Candelario Miramontes was granted Rancho Miramontes (later known as Rancho San Benito) in 1841. Original image from Carol M. Highsmith’s America. Digitally enhanced by rawpixel.