This dive site, Tobishima, is an offshore gem located 39 km from Sakata City, Japan. Divers can explore a striking underwater landscape featuring a vertical wall dropping to 40 meters, though the maximum recommended diving depth is 22 meters. The dive offers a vibrant mix of terrain and marine structures.
Tobishima boasts a rich biodiversity, including rare corals and isoflavas, unique to the Tohoku region. Divers will encounter jawfish, schools of damselfish, lobster, snapper, and black rockfish, alongside impressive walls of horse mackerel. Seasonal highlights include schools of bluefin tuna from May to September, and enormous jellyfish exceeding one meter in length in autumn.
The best time to experience Tobishima's exceptional clarity, ranging from 20 to 30 meters, is during August. The prime season for marine life sightings, especially bluefin tuna, extends from May to September. Both scuba divers and freedivers will appreciate the vibrant ecosystem and the dramatic underwater topography.
