During early summer, hammerhead sharks gather in large schools at this location, circling repeatedly in a captivating manner. Divers can enjoy extended observation periods as the sharks navigate around roots or rest on rocks.

This dive site, situated at the southernmost tip of Mikomoto Island, is renowned as the prime location for encountering hammerhead sharks and white-tip reef sharks. It stands out as the foremost spot for such encounters.

Situated offshore Enokuchi and Mitsu-ne on Kamikomoto Island, this site is highly affected by tides. The depth of the reef ranges from 22 to 25 meters, peaking at 19 meters towards the end before descending sharply to 45 meters. Due to significant tidal influence, it’s considered a challenging dive, particularly for beginners.

The point, situated on the north side of Mikomoto Island, experiences the influence of both low and high tides. Notably, the three roots exhibit symmetry, with the west side being flat and gradually deep, while the east side features clustered roots.

This is the “standard“ dive site on Mikomoto Island. There is a large root called “Kadone“ in the west direction, and the basic diving style is to wait for the root and then surface on the spot. Average depth: around 20m

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.

It is a dive site full of private feeling which is not so well known by divers. There are two main boat sites. There are two main boat sites, both of which can be reached in 5 minutes after departure, so even those who are sensitive to boats do not have to worry. Each dive site is equipped with a dive rope, so you don't have to worry if you have trouble pulling your ears out. It's also very easy to get on and off the boat regardless of the tide!

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

Futou is the scenic point of Nishi-Izu. This site can be reach via beach entry or boat entry. There is a small area where you can go night diving all year round. There are caves, caverns, and arches as you progress through the shallow beach sand to the rocky terrain.

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.