The number of stalactites in Yusen-dong is more than 1 million, making it one of the largest stalactite caves in Japan. It is popular as a tourist destination representing Okinawa because of its magnificence. The overwhelming size of "Toyo Ichido" and the beautiful blue spring with shining blue groundwater are particularly masterpieces. Business hours: 9:00 ~ 17:30 Admission: 2,000 yenAccess: 30 minutes by car from Naha Airport