Yonaguni Monument. Sunken formations Yonaguni formation Location of Yonaguni formation The Yonaguni Monument (与那国島海底地形, Yonaguni-jima Kaitei Chikei? , lit. THE LAURA LEE SHOW - Japan Structures. Yonaguni Island Diving - Open Coast. Yonaguni boasts world-class drift diving conditions that attract schooling hammerheads and giant dogtooth tunas.
Colorful hard and soft corals burst from reef walls and drop-offs provide bountiful feeding spots for local residents such as emporer angelfish, blue anthis, whole colonies of clown fish and numerous parrot fish and butterfly fish. With the island surrounded by dynamic coral encrusted arches each dive ensures a rollercoaster of a ride through crystal clear caves and caverns. In 1986 Kihachiro Aratake, a local diver, was out looking for new dive sites when he discovered a set of underwater ruins that is now rumored to be the sister city to Atlantis. Iseki Point. THE LAURA LEE SHOW - Japan Structures. The Original Six Photos of Underwater Geometric Stone Photo's by permission of Shun Daichi - Unauthorized use is strictly prohibited Right angled corner of a stone block, covered with coral.