Yonaguni in the Ryukyu Islands of Japan

The Yonaguni Monument, also known as the Yonaguni Submarine Ruins, is a submerged rock formation off the coast of Yonaguni, the southernmost of the Ryukyu Islands, in Japan. It lies approximately 100 kilometres east of Taiwan.
  • Location: Japan
  • Offshore water bodies: Philippine Sea

Nearby

Data from: en.wikipedia.org