A combined approximately 1,000 acres were listed for sale in Dukes County, Massachusetts, recently; the value of all Dukes County farms, rural land, hunting land and other land for sale was $51 million. Dukes County ranks 12th in the Bay State for the total acreage of land currently advertised for sale. Among cities in Dukes County with farms, rural land, hunting land and other land for sale, Edgartown had the most land for sale. Dukes County is one of the ten biggest counties in Massachusetts (490 square miles). It's located in the Southeast Massachusetts region of the state.