Sweetwater Lake   Be the first to submit input for Sweetwater Lake. If you have info on Sweetwater Lake, Day County, South Dakota please submit it here to improve this web site.          These outdoors activities are available near Sweetwater Lake.   Lakes Near Sweetwater Lake: Pigors Lake, Brown County, 9 miles away Round Lake, Clark County, 12 miles away   Public Lands Near Sweetwater Lake: Fisher Grove State Park, South Dakota, 33 miles away Fort Sisseton State Park, South Dakota, 36 miles away   Hotels Near Sweetwater Lake: Americinn - Aberdeen, Sd, Aberdeen, 38 miles away Holiday Inn Express Hotel & Suites ABERDEEN, Aberdeen, 38 miles away Hampton Inn & Suites Aberdeen, Aberdeen, 39 miles away Comfort Inn Aberdeen, Aberdeen, 39 miles away Ramada Convention Center Aberdeen, Aberdeen, 39 miles away