The total value of farmsand rural real estate for sale in Massachusetts's Suffolk County recently on Land.com was nearly $6 million. This represents approximately 3,000 acres of farms and rural land for sale in Suffolk County. Suffolk County ranks 14th in the state based on the total amount of acres of land for sale of the 14 counties in the Bay State. Of all locations in Suffolk County with land and rural real estate for sale, Boston featured the most land for sale. Suffolk County is Massachusetts's 14th largest county (120 square miles). It's located in the Northeast Massachusetts region of the state.