Sully County is in Great Lakes South Dakota. Of the 66 counties in the Coyote State, Sully County is 29th in terms of its size (684,923 acres). There is 1,000 acres of recreational land for sale in Sully County, South Dakota, based on recent Land Network data. The combined market value of land for sale here is $2 million. The average price of recreational property for sale in Sully County was $837,500. The economy here is largely agricultural. Browse all recreational property for sale in South Dakota to find the recreational tract that suits your lifestyle needs, from hunting and fishing properties for the outdoor enthusiast to undeveloped acreage ready for future residential-property development.