It is the only inhabited remote island in Shizuoka Prefecture, about 10 km off the coast of Atami, which can be reached in 30 minutes by ferry. After crossing the island, you can go beach diving or boat diving.
There are six boat points in the open sea and four in the bay at Tago. There is also one beach. At the point in the bay, there is a clump of Green Turtle Coral that looks like Okinawa, and much tropical small fish can be seen around it.