Of 99 counties in the Cyclone State, Monona County ranks 16th by size (698 square miles). Monona County is in Western Iowa. Recent listings of lakefront homes and property for sale in Monona County, Iowa, totals approximately 1,000 acres and a combined market value of almost $1 million. The most common type of land for sale by combined acreage in Monona County is house. 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 house.