If your trip to Tomonoura Onsen is all organized but your itinerary is a little on the empty side, we can give you a few hints and tips.Stop by Sensui-jima. It's one sight you'll find on travelers' must-do lists. If you still have some space on that travel itinerary, Tomonoura Museum of History and Folklore and Ioji Temple will keep you entertained as well.