Of 105 counties in the Wheat State, Sedgwick County is 16th in terms of its size (1,009 square miles). Sedgwick County is in Tallgrass Prairie Kansas. Recent Land Network data totals 1,000 acres of riverfront property for sale in Kansas's Sedgwick County, which is valued at a combined $5 million. Browse all waterfront property for sale in Sedgwick 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 Sedgwick County is undeveloped land.