Old River   Be the first to submit input for Old River. If you have info on Old River, Marion County, South Carolina please submit it here to improve this web site.          These outdoors activities are available near Old River.   Public Lands Near Old River: Little Pee Dee State Park, South Carolina, 11 miles away Myrtle Beach State Park, South Carolina, 35 miles away Huntington Beach State Park, South Carolina, 40 miles away   Marinas On or Near Old River: H2O Racing, Fairmont, 20 miles away   Hotels Near Old River: Quality Inn Mullins, Mullins, 13 miles away The Grove-The Inn on Harlee, Marion, 17 miles away Sleep Inn Conway, Conway, 19 miles away Comfort Inn Dillon, Dillon, 20 miles away Days Inn Dillon, Dillon, 20 miles away