Flat Lake   Be the first to submit input for Flat Lake. If you have info on Flat Lake, Marshall County, Indiana please submit it here to improve this web site.          These outdoors activities are available near Flat Lake.   Lakes Near Flat Lake: Pretty Lake, Marshall County, 4 miles away Koontz Lake, Starke County, 6 miles away Dixon Lake, Marshall County, 6 miles away Myers Lake, Marshall County, 6 miles away Lake Maxinkuckee, Marshall County, 7 miles away   Public Lands Near Flat Lake: Bass Lake State Beach, Indiana, 10 miles away Potato Creek State Park, Indiana, 13 miles away Tippecanoe River State Park, Indiana, 14 miles away Indiana Dunes National Lakeshore, Porter - IN, 44 miles away   Marinas On or Near Flat Lake: Larry's Automotive & Marine, Knox, 13 miles away Bo's Marine, Kewanna, 16 miles away   Camp Grounds Near Flat Lake: Jellystone Park Camp Resort, Plymouth, 4 miles away Yogi Bear Jellystone Park, Plymouth, 4 miles away Campers Roost, Plymouth, 5 miles away   Hotels Near Flat Lake: Swan Lake Golf Resort, Plymouth, 4 miles away Super 8 Plymouth, Plymouth, 8 miles away Days Inn Plymouth, Plymouth, 9 miles away Red Rock Inn, Plymouth, 9 miles away Holiday Inn Express Hotel & Suites PLYMOUTH, Plymouth, 10 miles away   Ski Areas Near Flat Lake: Swiss Valley, Michigan, 53 miles away       225 foot drop, 7 lifts, 11 runs Timber Ridge, Michigan, 71 miles away       240 foot drop, 9 lifts, 15 runs Bittersweet, Michigan, 75 miles away       350 foot drop, 6 lifts, 17 runs   Golf Courses Near Flat Lake: Plymouth Country Club, Plymouth, 4 miles away