Of 83 counties in the Great Lakes State, Otsego County ranks 79th by size (526 square miles). Otsego County is in Northeast Michigan. Recent listings of riverfront property for sale in Michigan's Otsego County totals almost 2,000 acres and a combined market value of around $5 million. The most common type of land for sale by combined acreage in Otsego County is undeveloped land. Browse all waterfront property for sale in Otsego 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 Otsego County is undeveloped land.