Of 16 counties in the Pine Tree State, Aroostook County ranks first in terms of size (6,827 square miles). Aroostook County is in Northeast Maine. There is nearly 1,000 acres of riverfront land and property for sale in Aroostook County, Maine, based on recent Land Network data. The combined market value of farmsand rural real estate for sale here is approximately $300,000. Browse all waterfront property for sale in Aroostook County on the Land Network to find the marina, lakefront and other recreational property that meets your needs, from waterside land perfect as a retirement investment to existing residential waterfront land and property for hunting, fishing and other outdoor-recreation pursuits! The most common type of land for sale by combined acreage in Aroostook County is residential property.