DeKalb County is in Mountains Alabama. Of the 67 counties in the Camellia State, DeKalb County ranks 23rd in terms of size (778 square miles). The most common type of land for sale by combined acreage in DeKalb County is residential property. Browse all waterfront property for sale in DeKalb 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!