camping on the beaches of San Diego?

Looking for a good place to camp for a night or two in or near the beach in San Diego or nearby cities. want to go to the beach for a day or two on the day of the week, maybe Wed Thurs want to get some information for the best camping, preferably one with shower and bath, within walking distance of the beach or on the beach. shade would be nice, and a fire pit. either in places like San Diego or San Clemente, Oceanside, anywhere on the beach, actually

San Elijo

San Diego