Dagsboro Real Estate View 43 listings HomeGuidesDagsboro Dagsboro is a town in Sussex County, Delaware, United States. It is part of the Salisbury, Maryland-Delaware Metropolitan Statistical Area. According to the United States Census Bureau, the town has a total area of 2.3 square miles (6.0 km2), all of it land. Guides Bethany BeachDagsboroDewey BeachLewesMillsboroMiltonOcean ViewRehoboth BeachRehoboth Beach Country ClubSussex County, DENew Castle County, DEKent County, DEDoverCamdenMilfordMiddletownSmyrnaNewarkNew CastleWilmingtonOcean City, MD