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.

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.

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.

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.

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.

Mitsuishi in Yaeyama, Okinawa, near Ishigaki Island, features three large rocks surrounded by vibrant corals, with Debasumeri and scorpionfish adding color. The reef and sandy bottom host rich macro life like nudibranchs and frogfish, while occasional manta rays make this a serene yet exciting dive site.

Crystal Beach (Yamahara Beach) in Kabira, Ishigaki, is a secluded site with natural crystal deposits from Mt. Omotodake’s river. Its unspoiled waters host coral reefs, tropical fish, and sea turtles. Access is via a steep slope with limited facilities, so preparation and caution are essential.

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.

Yonehara Reef is found at the point in Kawadaira, in the northern part of Ishigaki Island. This site is a boat entry only. The average depth is 5 to 30 meters. There is a coral shelf at 5 to 6 meters deep that drops into a sandy area in 20 to 25 meters of water with three roots, densely populated with table and eddy corals.