Boston Lake   Be the first to submit input for Boston Lake. If you have info on Boston Lake, Marion County, Illinois please submit it here to improve this web site.          These outdoors activities are available near Boston Lake.   Lakes Near Boston Lake: Lake Centralia, Marion County, 18 miles away   Hotels Near Boston Lake: Super 8 Salem, Salem, 14 miles away Comfort Inn & Suites, Salem, 15 miles away Super 8 Altamont, Altamont, 17 miles away Red Carpet Inn Dix, Dix, 20 miles away Best Western Lorson Inn, Flora, 21 miles away