Pismo Beach is a California beach town know to tourists for its sand dunes & waterfront activities. A small town with just over 7,000 residents, Pismo Beach is part of the Five Cities Area, a cluster of cities including Grover Beach, Arroyo Grande, Pismo Beach and Shell Beach. Oceano's beach is the Oceano Dunes State Vehicular Recreation Area, a 1,500 acres coastal sand dune. As the only state park in California where visitors may drive vehicles on the beach, tourists are attracted from all over the United States. Activities on this beach include riding the sand dunes on all-terrain-vehicles, swimming, clamming, camping, surfing, surf fishing, hiking, and bird watching.