Black's Beach, America's most popular, is still an active nudist site in the state-owned portion. If visit, do your part to keep it that way by 4/5(19). Oct 11, · Black's Beach: A Women's Story.. - See traveler reviews, candid photos, and great deals for San Diego, CA, at TripAdvisor.2/5. Black's Beach in the San Diego area is located in the town of La Jolla next to Torrey Pines State Beach. Black's Beach is at the base of foot-high sandstone cliffs. It's two miles long and as wide as 60 feet at low tide. As many as 1, people may show up at Black's Beach on a hot summer day.