Flat Lake   Be the first to submit input for Flat Lake. If you have info on Flat Lake, Ascension Parish, Louisiana please submit it here to improve this web site.          These outdoors activities are available near Flat Lake.   Public Lands Near Flat Lake: Jean Lafitte National Historic Park & Preserve, New Orleans - LA, 56 miles away   Marinas On or Near Flat Lake: Bay Side Marina, Denham Springs, 4 miles away Val's Marina, Maurepas, 7 miles away VRI, Gonzales, 8 miles away Mak'em Wet Marina, Springfield, 19 miles away Tickfaw Marina, Springfield, 19 miles away   Camp Grounds Near Flat Lake: Bay Side Marina, Denham Springs, 4 miles away   Hotels Near Flat Lake: Clarion Inn Conference Center, Gonzales, 7 miles away Highland Inn, Gonzales, 10 miles away Best Western Inn, Gonzales, 10 miles away Americas Best Inns-Gonzales, Gonzales, 10 miles away TownePlace Suites Baton Rouge Gonzales, Gonzales, 10 miles away