This spot is located at the tip of Tateyama on the Boso Peninsula. Boat diving only, with a maximum depth of 25m and an average of 15-16m, the bottom of the water is a mix of rocky reefs, gorota stones, and sandy terrain. Caution is needed as the flow can sometimes be fast.

Hasama Ocean Park is in the inner bay of Tateyama on the Boso Peninsula. There is a beach, but boat diving is the main activity. At “Takane“ point, about 5 minutes from the harbor, there is a shrine and a large torii in the water.

Kanaya Sunset Beach in Futtsu, Chiba, is about an hour from Tokyo and offers views of Mt. Fuji and stunning sunsets. Underwater, it’s rich in macro life like nudibranchs and moss blennies, perfect for photography. Beginners can enjoy calm dives and practice in the on-site saltwater pool.

Jogashima is located at the southernmost point of the Miura Peninsula in Kanagawa Prefecture, on the border of Tokyo Bay and Sagami Bay. It can be reached by crossing the bridge. As it is quite close to the Tokyo area, it is very popular for day trip diving.

A seaside pool just 5 minutes from Keikyu Misakiguchi offers ideal conditions for diving and snorkeling training. Its easy access and controlled environment make it perfect for beginners and course practice.

This is the largest and closest of the seven Izu Islands to the mainland. Mihara, an active volcano, is located in the center of the island. Boat diving is also available, but due to the variety of beach points, diving from the beach is more popular. The most popular of these is Autumn Beach.

Very close to the center of the city and a popular spot for day diving. The dive site is about 10 minutes by boat from the harbor. It has roots in sandy soil at a depth of 30 meters. The wall of the rock is covered with soft corals, and a school of Yellowfin Damselfish is swimming around the wall.

Shimura Beach in Katsuura, Chiba, lies west of the Underwater Park. It features varied topography and shallow areas ideal for beginners. Entry is via the fishery cooperative, and guide ropes, buoys, and marked 30m lines support safe training and experience dives.

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.

Kawana in Ito City, Shizuoka, offers calm waters and varied topography. With easy-entry beach dives ideal for beginners and boat dives for experienced divers, it’s rich in marine life year-round. Sea turtles are frequently spotted, making it a popular and rewarding dive site.