A complete guide to the Yonaguni Island "Underwater Ruins" tour!
How to visit by diving or glass boat

Mysterious "underwater ruins" lie in the southern waters of Yonaguni Island.
Visitors can enjoy various viewing methods, such as diving, which allows them to experience the power of the underwater world up close, and glass boats (semi-submersible sightseeing boats), which allow them to look underwater with their clothes on.
◆Interested in diving and snorkeling at underwater ruins
◆To know how to get there by glass boat (semi-submersible sightseeing boat)
◆Looking for sea activities to experience in Yonaguni Island?
In this issue, we will introduce the attraction, how to get there, and recommended activities for underwater ruins tours that can be experienced on Yonaguni Island!
Notice: Undersea Ruins Tours are currently suspended.
Enjoy Yonaguni Island!
Click here for recommended tours that are currently available for reservation.⬇︎
Sightseeing tours of popular spots on the island First time in Yonaguni Island is also safe★ Sightseeing tour in the island by local guide Sightseeing tour in Yonaguni Island is an easy way for those who are new to Yonaguni Island or do not have a rental car. The tour will take you to the most popular and interesting spots on the island with the commentary of a local guide who knows the island well. (3 in total) アクティビティの詳細を見る 




























