Delaware Seashore State Park is a public recreation area located near Dewey Beach in Delaware, United States. It is bounded on the east by the Atlantic Ocean and on the west by Rehoboth Bay and Indian River Bay. The park covers 2,722 acres (1,102 ha). It is a major attraction for millions of visitors who come to the Delaware Beaches for water-related activities. Delaware Seashore State Park was created in 1965.