Flat Lake   Be the first to submit input for Flat Lake. If you have info on Flat Lake, Grenada County, Mississippi please submit it here to improve this web site.          These outdoors activities are available near Flat Lake.   Public Lands Near Flat Lake: Hugh White State Park, Mississippi, 26 miles away George P. Cossar State Park, Mississippi, 29 miles away   Hotels Near Flat Lake: Holiday Inn Express Hotel & Suites GREENWOOD, Greenwood, 11 miles away Americas Best Inns-Greenwood, Greenwood, 13 miles away Hampton Inn Greenwood, Greenwood, 14 miles away Comfort Suites Greenwood, Greenwood, 14 miles away Americas Best Value Inn and Suites Greenwood, Greenwood, 14 miles away