Flat Lake   Be the first to submit input for Flat Lake. If you have info on Flat Lake, St. Martin Parish, Louisiana please submit it here to improve this web site.          These outdoors activities are available near Flat Lake.   Public Lands Near Flat Lake: Lake Fausse Pointe State Park, Louisiana, 34 miles away   Marinas On or Near Flat Lake: Ram Logistics, Morgan City, 3 miles away Bob's Bayou Black Marina, Gibson, 19 miles away   Camp Grounds Near Flat Lake: Lake End Park, Morgan City, 3 miles away Lonely Oaks Campground, Morgan City, 6 miles away Kemper Williams Park, Patterson, 8 miles away Bergeron's Mobile Home Supply, Patterson, 10 miles away   Hotels Near Flat Lake: Best Western Morgan City Inn & Suites, Morgan City, 3 miles away Hampton Inn and Suites Morgan City, Morgan City, 3 miles away La Quinta Inn & Suites Morgan City, Morgan City, 4 miles away Days Inn Morgan City, Morgan City, 4 miles away Comfort Inn & Suites, Morgan City, 4 miles away