Deep Lake   Be the first to submit input for Deep Lake. If you have info on Deep Lake, Marion County, South Carolina please submit it here to improve this web site.          These outdoors activities are available near Deep Lake.   Lakes Near Deep Lake: Graves Lake, Marion County, 14 miles away   Public Lands Near Deep Lake: Little Pee Dee State Park, South Carolina, 15 miles away Myrtle Beach State Park, South Carolina, 33 miles away Huntington Beach State Park, South Carolina, 34 miles away   Hotels Near Deep Lake: Quality Inn Mullins, Mullins, 9 miles away The Grove-The Inn on Harlee, Marion, 12 miles away Sleep Inn Conway, Conway, 15 miles away Days Inn Conway - Myrtle Beach, Conway, 18 miles away Econo Lodge Conway, Conway, 18 miles away