Tobishima

Tobishima is located 39 km off the coast of Sakata City, and in August, the clarity is 20 to 30 meters. You can see the terrain dropping to 40 meters vertically. There are also a variety of corals and isoflavas, which are rare in the Tohoku region.

May to September you can see schools of bluefin tuna. You will find jawfish, schools of damselfish, as well as lobster, snapper, black rockfish, and a wall of horse mackerel. In autumn, huge jellyfish of over one meter in length can be seen.