This spot is located on the north side of Taketomi Island, about 15 minutes by boat from Ishigaki Island. There are several holes where bubbles gush out of the mortar-shaped sand at a depth of 20 meters. This is a unique spot where hot springs spring water gushes.

Osaki Akakuri no Nebu on Ishigaki Island offers 10–20m depths and high chances of spotting large schools of red clownfish around its root. Giant trevally, dogtooth tuna, and green turtles are common, with roots bustling with small fish and appealing topography to explore.

Osaki Minocasago Palace in western Ishigaki features roots rising from sand at 5–30m, home to schools of scorpionfish and leaf scorpionfish. Shallows host snapper schools, while garden eels and gobies inhabit the sandy bottom, making it a rich and diverse dive site.

Osaki Hanagoi Reef in Ishigaki offers depths from 5–35m with diverse terrain. Shallows feature vibrant yellow corals and schools of red snappers, with spawning scenes in early spring. A signature Ishigaki site, it’s enjoyed by both beginners and advanced divers year-round.

This is a small island in the east of Iriomote Island, about 16km in circumference. There is a luxury resort hotel on the island. Between this island and Iriomote Island is the Yonara Waterway. There are about 400 kinds of colorful coral such as table coral and eda coral around the island, and the tropical fishes are very beautiful. There are several points in the Yonara Waterway where you can encounter manta rays.

Taketomi Minami Potato Root on Taketomi Island is a calm sandy site about 13m deep, named for its colony of common shikoro corals. Schools of snappers, devilfish, and many gobies thrive here. In winter, common snapper spawning can be seen. Beginners can enjoy its tropical scenery and rich marine life.

Yonara Channel passes between Iriomote Island and Kohama Island, which is 6km long and about 500 to 900m wide. The current is constant and at times very strong. This is always a drift dive at depths of 9 to 30 meters.

Kaiho Sports Club in Shinkawa, Ishigaki, is the island’s only swimming school and gym. It also hosts freediving events, including the Pool Freediving CUP on April 13, 2024. The facility promotes health, improves swimming skills, and helps popularize freediving in the community.

Nagura Coral Garden in Nagura Bay, Ishigaki Island, boasts Japan’s richest coral diversity and density. With stunning coral and table coral scenery, calm currents, and clear water, it’s ideal for all levels. The best season is May to October for peak visibility and beauty.

Under the Gokamizaki Lighthouse on western Ishigaki features complex topography with large and small roots from 10m depth and maze-like channels. Migratory fish like rock cod are common, alongside sunlit arches and caves, making it a favorite spot for topography lovers.