Honshu

SSI Service Center Japan, 101-0051 Chiyoda-ku

Kumomi Ushitsuki Rock (★4.2)

This is the most popular cave diving spot in Izu. There are many caves and covern between and around two large rocks called Ushitsukiiwa in front of the harbor.

SSI Service Center Japan, 101-0051 Chiyoda-ku

Atami (★4.0)

This is a historic dive site that represents Higashi-Izu. It can be accessed from the Tokyo area in about 2 hours, and it is also possible to take a day trip, making it a popular spot, especially among Kanto divers.

SSI Service Center Japan, 101-0051 Chiyoda-ku

Kushimoto (★3.6)

Kushimoto, the southernmost town on Honshu, is strongly influenced by the Kuroshio Current, and has a large variety of tropical fish from Okinawa and Izu, making it one of the top fishing areas in Japan.

SSI Service Center Japan, 101-0051 Chiyoda-ku

Osezaki Bay (★4.2)

Osezaki is one of the most famous dives sites in Japan. It is a cape that juts out into Suruga Bay and done as a beach dive. There are two dive options, one on the bayside of the cape and the other on the open seaside, both of which are shallow rocky areas when you descend and sandy areas when you go offshore.

SSI Service Center Japan, 101-0051 Chiyoda-ku

Hasama Ocean Park (★3.8)

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.

SSI Service Center Japan, 101-0051 Chiyoda-ku

Izu Oceanic Park (★3.8)

Izu Oceanic Park is the most popular dive site in Higashi-Izu. The facilities are good and there is a pool. In the summer, the area is crowded with beachgoers and ordinary people who use the pool.

SSI Service Center Japan, 101-0051 Chiyoda-ku

Hatsushima Island (★4.0)

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.

SSI Service Center Japan, 101-0051 Chiyoda-ku

Ito (★4.4)

Ito is a relatively new point located in Tateyama, Boso Peninsula, Chiba Prefecture. You’ll see baited sharks and stingrays, as well as large groupers. Boat diving only. There are buoys at either end of a large, narrow root, and depending on the current, the fish will enter from one buoy and rise from the other.

SSI Service Center Japan, 101-0051 Chiyoda-ku

Tago (★4.0)

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.

SSI Service Center Japan, 101-0051 Chiyoda-ku

Futo Yokobama (★4.3)

A popular spot representing East Izu, close to the IOP. There are two main beach points and a lot of boat diving. There are ramps and handrails on the beach for easy entry/exit. The sea conditions are often calm and can be enjoyed by beginners.

ITA DIVING CENTER, 4103401 Numazu

Ita (★4.3)

Ida in Numazu City, Shizuoka, is a top beach dive site in Nishi Izu, famed for its clear “Ida Blue“ waters. Its gentle rocky slope suits all levels, with rich marine life and good tidal flow. Ideal for both macro and wide-angle photography, it’s a favorite among divers year-round.

Aqualung

Kawana (★3.9)

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.

MASAMI T. (#1029201)

Hirasawa (★3.9)

Hirasawa in Numazu, Shizuoka offers calm seas year-round, ideal for both beginners and experienced divers. With multiple entry points, diverse terrain—sandy bottoms, rocky reefs, and coral colonies—it’s great for macro and wide-angle photography, plus vibrant marine life.

SSI Service Center Japan, 101-0051 Chiyoda-ku

Koganezaki (★4.3)

Located in Koganezaki Park, you can enjoy various flowers depending on the season, and entry/exit is very easy to do due to the ramps and handrails. When you enter, you’ll see a wide range of gorotas up to a few meters deep, and beyond that, you’ll see an entire surface of the sand.

SSI Service Center Japan, 101-0051 Chiyoda-ku

Fukuura (★4.2)

Located on the west side of the Manazuru Peninsula, it is a popular point that is quite close to the Kanto area. Beach entry and boat entry are available. The beach is home to a colony of coral anemones that have been designated as a natural monument and are surrounded by colorful creatures, including clownfish.

SSI Service Center Japan, 101-0051 Chiyoda-ku

Aki no Hama (★4.3)

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.

SUGURU W. (#2996859)

Enoura (★4.0)

Enoura, on the west side of Kanagawa in the Nishishon area, is a safe dive site with a sloped entry and guide ropes underwater. With a max depth of 16m, it’s ideal for new divers. Follow the rope to spot a Doraemon statue at 15m. The site is cleaned annually around November.

Scubapro, Stephen Frink

Toi Beach (★4.2)

Doi in Izu City, Shizuoka, is a top West Izu dive spot with calm beaches and diverse boat sites. It offers year-round night and wreck diving, soft coral colonies, and rich marine life, making it ideal for both beginners and advanced divers seeking variety and adventure.

Aqualung

Shishihama (★4.2)

Diving service near Mt.FujiThe Mouth of Truth is a sunken place, night diving can be held every day. (Reservations must be made at least 2 days in advance.) There is a diving pool (seawater), 6L-14L tanks are always available, Nitrox, left and right valve tanks for the side, and W tanks are available.

Aqualung

Sokodo (★4.0)

Sokodo Beach in northeast Hachijojima features clear “Hachijo blue” waters. Entry is from the embankment, leading to Mimata Arch, home to species like long snappers and striped anemonefish. With frequent green turtle sightings, it’s ideal for both beginners and advanced divers.

SSI Service Center Japan, 101-0051 Chiyoda-ku

Shirahama (★3.9)

The area is easily accessible from the Kansai area and has long been a popular diving area for Kansai divers as it has prospered as a hot spring tourist attraction. It has a long history as a dive site in the Kii Peninsula. There are plenty of points for both beach entry and boat entry.

SSI Service Center Japan, 101-0051 Chiyoda-ku

Zushi (★3.8)

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.

Mares

Owase (★3.5)

Owase is located near the center of the eastern side of the Kii Peninsula and has good access to both the Kansai and Chubu areas. The surrounding area is a complex terrain due to the rias-style coast, and there are several islands, which are the main points of interest. Beach entry and boat diving are available.

D.S ATAMI, 413-0023 Atami-shi

Atami Kosoga Cave (★4.2)

Kosoga Cave in Atami, Shizuoka, is open Nov–Apr and features a 40m semi-enclosed cave at 6–12m depth, ideal for beginners. Its wide space and open ceiling let sunlight create a stunning blue gradation. Just 10 minutes by boat from Atami Port, it’s both scenic and accessible.

D.S ATAMI, 413-0023 Atami-shi

Bitagane (★4.4)

Located near Atami’s wreck, this dive site has fixed buoys with depths from 18-20m below the buoy. West side (No.1 root) stays ~20m deep; east side (No.2 root) deepens to 30m. Strong currents, rich fish schools, and varied terrain make it popular.

Scubapro, Stephen Frink

Sodaine (★4.3)

Sodaine is a pinnacle in Atami, Shizuoka, features dynamic terrain with vibrant soft corals. Depths range 15–30m, with schools of snappers at 10–20m. Its sandy southeast slope and northeast drop-off attract topography lovers. Best from fall to winter, when clear waters reveal stunning underwater scenery.

Diving Lounge aqua QUEST, 1700002 Toshima-ku,

Toujima (★3.9)

Nakagi is located in the southernmost in the Izu Peninsula. This area benefits from Black Stream and shows various scenes underwater as the seasons change. The scenery created by nature over the centuries will attract divers both of land and underwater.

D.S ATAMI, 413-0023 Atami-shi

Atami Wreck (★4.4)

The Asahi 16, a gravel transport ship, rests split in half underwater, a notable shipwreck in Japan. Its large hull emerges unexpectedly in sandy surroundings, becoming a thriving fish habitat. Near the bow, a winch attracts colorful fish, while descent ropes at both ends offer unique wreck diving experiences.

Mares, Janez Kranjc

Soft Coral Garden (★4.4)

Soft Coral Garden in Hozaura, Minami-ise, Mie, is a boat-entry site up to 25m deep, famed for vibrant soft corals and colorful scenery. Home to seahorses, frogfish, snappers, and bumphead parrotfish, it offers rich marine life and is suitable for both beginners and advanced divers.

Aqualung

Pineapple Rock (★4.2)

Pineapple Rock in Minami Ise, Mie, is a boat-entry site with depths to 16m, ideal for all levels. A large pineapple-shaped root hosts schools of snappers, butterflyfish, and resting dorado sharks. With 15–17m visibility, it’s popular among topography, macro, and wide-angle divers.

Mares, Janez Kranjc

Izusan port side (★4.0)

Izuyama in Atami, Shizuoka, is a boat-entry site with clear water, rich marine life, and good tidal flow. Suitable for intermediate to advanced divers, it offers diverse styles from wide-angle to macro. Stable year-round, it delivers varied and vibrant underwater scenery.

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