Beachgoers at La Jolla Cove in 1969. La Jolla Cove is a small beach tucked between sandstone cliffs. Because of its extraordinary beauty, La Jolla Cove is one of the most photographed beaches in Southern California. With small surf in the summer months, the north facing La Jolla Cove is ideal for swimmers, snorkelers and scuba divers. Water visibility at the Cove can sometimes exceed 30 feet. La Jolla Cove lies within the San Diego La Jolla Underwater Park Ecological Reserve, which helps to ensure that marine life remains plentiful.