Explore the mysterious "Ryugu Castle"! Caving (cave exploration) Miyako Island is an island formed by the uplift of coral. There is a cave on Miyako Island that can only be entered from the sea, and the inside has an amazing view...! This is a tour that lets you experience the great nature of Miyako Island. Canoeing experience in the Miyako Blue When you think of Miyako Island, you think of the beautiful sea! You can also enjoy the classic activity "canoeing" that you can't miss when you come to Okinawa! Pumpkin Hole Inside the cave is a pumpkin-shaped cave called "Pumpkin Hole". The mysterious and mystical stalactites are sure to be memorable! Safety and Security The cumulative number of participants has exceeded 300,000! Many people have enjoyed safe tours! First-timers are OK! Beginners are welcome for all activities. Most of the customers who participate are beginners. Safety equipment and guides will provide you with full support!