Home to Carters Lake, Oakman is the perfect location for an outdoor getaway on the lake, whether for the day or an overnight stay at Carters Lake Marina. Oakman is located in Gordon County, approximately 20 miles from Calhoun. Carters Lake, one of the most scenic lakes in the Southeast, features the highest earth-filled dam east of the Mississippi River and a full-service marina. This is the perfect location to hike, bird watch, fish and picnic.