The value of all farms, rural land, hunting land and other land for sale in Nantucket County recently was almost $89 million, representing a combined 18 acres of land for sale in Nantucket County. Nantucket County ranks 14th out of 14 counties in Massachusetts for the combined amount of land currently advertised for sale. Of all farms, hunting land and other rural land and acreage for sale in Nantucket County, Nantucket featured the most land for sale. Nantucket County is Massachusetts's 13th largest county (303 square miles). It's located in the Southeast Massachusetts region of Massachusetts.