La Jolla Cove is a small cove with a beach that is surrounded by cliffs in La Jolla, San Diego, California. Point La Jolla forms the south side of the cove. The area is protected as part of a marine reserve and is popular with snorkelers, swimmers and scuba divers. The swells that often roll in from the open ocean can be large and strong. The water temperature is often a little colder than the average San Diego beach.