Yonaguni island is the westernmost island of Japan, located in-between Ishigaki and Taiwan.
It is famous for marlin trolling, and an international swordfish fishing competition is held yearly.
It is also known as the filming place of the Japanese television drama, "Dr. Koto's Office". The office is a popular tourist spot to this day.
The main industries in Yonaguni are fishery, sugar canes, dairy farming and tourism.