Bethany Beach is an incorporated town in Sussex County, Delaware, United States. According to the 2010 Census Bureau figures, the population of the town is 1,060; however, during the summer months some 15,000 more populate the town as vacationers. It is part of the Salisbury, MD-DE Metropolitan Statistical Area.Bethany Beach, South Bethany and Fenwick Island are popularly known as "The Quiet Resorts". Assisting Bethany Beach's reputation as a "quiet" place is the presence of Delaware Seashore State Park immediately to the north of the town.Despite its small size, Bethany Beach boasts the usual attractions of a summer seaside resort, including a short boardwalk, a broad, sandy beach, motels, restaurants, and vacation homes. Because Bethany Beach does not sit on a barrier island, residential areas continue some distance to the west of the town's limits.