Ocean Beach, California redirects here. For the beach in San Francisco, see Ocean Beach, San Francisco. Coordinates: 32°45′3.18″N 117°15′6.13″W﻿ / ﻿32.7508833°N 117.2517028°W﻿ / 32.7508833; -117.2517028. Ocean Beach (also known as O.B.) is a beachfront neighborhood of San Diego, California.