There was a total of around $5 million of farms and rural land for sale in Massachusetts's Suffolk County recently on Land.com. The total size of all Suffolk County land for sale was 3,000 acres. Suffolk County ranks 14th based on the combined acreage of land for sale of the 14 counties in Massachusetts. Of all farms and rural land for sale in Suffolk County, 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 Massachusetts.