Lakes in Marion County, Kansas      Marion County Lake        ...ing, swimming,and camping here since I was a young child. A wonderful place to go! They have a small store/bait shop, s... Marion Reservoir OTHER COUNTIES NEARBY Butler County Chase County Clay County Cloud County Dickinson County Geary County Greenwood County Harvey County Mcpherson County Morris County Ottawa County Pottawatomie County Reno County Rice County Riley County Saline County Sedgwick County Wabaunsee County Kansas Lakes   Marion County Lake        Have been fishing, swimming,and camping here since I was a young child. A wonderful place to go! They have a small store/bait shop, swimming area, and public bathrooms with showers....