Sakieda Big Arch in Kabira, western Ishigaki, features a massive 3-meter-high arch that can fit a boat. Sunlight beams through ceiling cracks, creating a magical “shower of light” effect. With gentle currents and depths of 12–20m, it’s perfect for both beginner and experienced divers.

Sakieda Maze in Kabira, Ishigaki, features complex reefs with arches and tunnels lit by sunlight, creating magical views. With depths of 3–15m and little current, it’s beginner-friendly. Shallow coral reefs teem with marine life, including clownfish and spiny dogfish.

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.

Sukuji Gurukun Root is a popular dive site located offshore of Kabira area in Ishigaki Island, at depths from 10m to 35m. The topography of the drop-off and the currents make for dynamic diving, and the site is suitable for intermediate level divers and above.

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.

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.

This dive site, located on the northwest side of Ishigaki Island, has one of the highest rates of encounters with manta rays in the world. It can be reached by boat in 10 to 15 minutes. The water depth is around 10-20m and the tide is relatively calm but can become stronger at times. A small hill in the middle of the sea is a cleaning station where the manta rays come to visit. Manta rays swim around at a depth of 5 to 10 meters, so you can see them by snorkeling.

Emperor’s Chair off Ishigaki Peninsula is a deep, advanced dive site (20–40m) with strong currents and striking terrain. Centered around a large, bill-shaped root, it hosts schools of butterflyfish, dogtooth tuna (isomaguro), Napoleon fish, manta rays, and pygmy seahorses—perfect for seasoned divers.