My wife and I and our 15-year-old son will be spending a week at Litchfield by the Sea, south of Myrtle Beach, S.C., and are looking for casual, Chowhound-worthy finds. Our teen likes the usual teen food: pizza, burgers, ribs. We adults have eclectic tastes (seafood, chicken and brisket barbecue, homemade pie, etc) and like discovering non-touristy places that locals love. That might be hard in Myrtle Beach, especially the week of July 4, but what about north or south of there? All tips appreciated!