Of 99 counties in the Cyclone State, Monona County ranks 16th by size (698 square miles). Monona County is in Western Iowa. Recent Land Network data shows around 1,000 acres of lakefront property for sale in Iowa's Monona County, which is valued at a combined $900,000. Browse all waterfront property for sale in Monona 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 Monona County is residential property.