Of 44 counties in the state, Oneida County is 26th in terms of its size (1,200 square miles). Oneida County is in Southeastern Idaho. Recent listings of riverfront land and property for sale in Idaho's Oneida County totals approximately 1,000 acres and a combined market value of almost $700,000. The most common type of land for sale by combined acreage in Oneida County is undeveloped land. Browse all waterfront property for sale in Oneida 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 Oneida County is undeveloped land.