Lakes in Yankton County, South Dakota      Beaver Lake Guthmiller Lake Lake Yankton Lake Yankton Lewis and Clark Lake Marindahl Lake OTHER COUNTIES NEARBY Plymouth County Antelope County Cedar County Cuming County Dakota County Dixon County Knox County Madison County Pierce County Stanton County Thurston County Wayne County Bon Homme County Charles Mix County Clay County Davison County Hanson County Hutchinson County Lincoln County Mccook County Minnehaha County Turner County Union County South Dakota Lakes