Waldo County is in Southwest Maine. Of the 16 counties in the Pine Tree State, Waldo County is 13th in terms of its size (545,765 acres). The most common type of land for sale by combined acreage in Waldo County is undeveloped land. Browse all waterfront property for sale in Waldo 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!