There was a combined $6 million of land and rural real estate for sale in Massachusetts's Suffolk County recently on Land.com. The total acreage of all Suffolk County land and rural real estate for sale was almost 200,000 acres. Based on the combined acreage of land and rural property for sale here, Suffolk County has the most land for sale of the 14 counties in the Colony State. Of all locations in Suffolk County with farms and rural land for sale, Boston featured the most land for sale. Suffolk County is Massachusetts's 14th biggest county (120 square miles). It's located in the Northeast Massachusetts region of Massachusetts.