For a day by the water with a difference, check out the steaming pools of Fukumitsu Hanayama Onsen. This place is renowned for its mineral-rich thermal waters.
Fukumitsu Hanayama Onsen is an interesting place to begin discovering Nanto. This naturally heated water source is recommended by fellow travelers, but it isn't the only thing to do here. Save time for other attractions like Cross Land Oyabe, Iox Arosa, and Shiko Munakata Memorial Building to really experience what's on offer in the area.