IRABUJIMA MARINE CENTER

Crystal Park on Shimoji Island, Okinawa, is a shallow site (max 10m) with coral heads scattered across pure white sand. Its clear blue water and sparkling light make it ideal for relaxed dives, where you can see schools of snappers, juvenile fish, and macro life. Best season: fall to spring.

Twin Cave is a mid-depth dive site (18–20m) featuring two interconnected cave entrances. Light filtering through creates a stunning blue curtain effect, adding a mystical feel. Schools of fish are often seen inside. Best suited for intermediate to advanced divers seeking topographic beauty and light contrast.

The Cave in Shimojishima, Miyakojima, is a 15m-deep, beginner-friendly site with a doughnut-shaped layout. Sunlight through ceiling cracks creates stunning views. Alongside its topography, it hosts red clownfish, dolphinfish, nudibranchs, anemonefish, and diverse marine life.

Nakanoshima Channel on Shimoji Island, Miyako, offers depths of 5–25m and calm currents, ideal for all levels. Its maze of crevasses, arches, and tunnels creates stunning light effects on clear days, making it a favorite for both scenery and exploration.

Nakanoshima Hole on Irabu Island has a dramatic topography where you enter at 5m and descend to a 25m hole, viewing striking light–shadow contrasts. Facing the open ocean, currents can be strong. It is best for intermediate to advanced divers.

Marine Lake on Shimoji Island, Okinawa, is a unique dive site connected to the ocean via underwater passages. Suitable for beginners to intermediate divers, it features a cave route leading to a surface pond where light beams shine through the ceiling like lasers, creating a stunning and otherworldly experience.