Jefferson Parish is in Cajun Country Louisiana. Of the 64 counties in the state, Jefferson Parish is 40th in terms of its size (642 square miles). The most common type of land for sale by combined acreage in Jefferson Parish is homesite. Browse all waterfront property for sale in Jefferson Parish 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!