South of Dewey, DE, on Rte 1 is this 10-mile-long, half-mile-wide peninsula with a long, straight clean beach. Stop at the park office (302-227-2800; 8am-4:30pm) to pick up information about pontoon boat tours, hiking trails and guarded swimming areas. The Indian River Inlet Marina (302-227-3071; Rte 1), west of the park office, charters fishing boats.
