It is located off of Osaki at the tip of Nagura Bay on the western side of Ishigaki island. You can see Japanese larch trees on the rock reef that extends 30m below water. Slender cardinalfish and pygmy sweepers swim in the surrounding waters, which attract many red lionfish to the area. Orange-striped shrimp goby, black-ray goby, gold-barred shrimp goby, jawfish, and baby garden and ribbon eels can be found around the sandy floor. You can enjoy its complex topographic features in deeper areas, where white tuna and manta ray may pass. You can enjoy both wide and macro. There are hardly any areas with rapid current, but due to some deep areas, a certain level of skill and experience are required.