Of 115 counties in the Ozark State, Sullivan County ranks 43rd by size (651 square miles). Sullivan County is in Northwest Missouri. Recent listings of lakefront homes and property for sale in Sullivan County, Missouri, totals about 1,000 acres and a combined market value of almost $500,000. The most common type of land for sale by combined acreage in Sullivan County is hunting land. Browse all waterfront property for sale in Sullivan 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 Sullivan County is hunting land.