Of 159 counties in the state, Madison County ranks 105th by size (285 square miles). Madison County is in Mountains Georgia. Recent listings of riverfront property for sale in Georgia's Madison County totals 1,000 acres and a combined market value of about $600,000. The most common type of land for sale by combined acreage in Madison County is house. Browse all waterfront property for sale in Madison 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 Madison County is house.