Located in Southcentral Alaska, 25,276-square-mile Matanuska-Susitna Borough is one of the ten biggest counties in the Land of the Midnight Sun. The most common type of land for sale by combined acreage in Matanuska-Susitna Borough is undeveloped land. Browse all waterfront property for sale in Matanuska-Susitna Borough 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!