Just about any of the restaurants in the WS will do. You aren't going to find anywhere that there aren't kids if that is what you are looking for. If it's open, the non-hibachi restaurant in Japan is nice, kind of expensive though. Coral Reef is not the best restaurant in Epcot, we haven't eaten there in years but most people think it's up there as if not the worst, maybe not the most exciting food wise.