Delaware City is a city in New Castle County, Delaware, United States. Chesapeake and Delaware Canal are easily accessible in this port town. A historic town with many neighborhoods included in the National Register of Historic Places. Historic communities in the city are the Delaware City Historic District, Chelsea, Eastern Lock of the Chesapeake and Delaware Canal, Fairview, and Fort Delaware on Pea Patch Island. There are several properties in Delaware City available for purchase. There are waterfront properties and several large single-family homes you can consider for a new home.