Yonaguni, Japan

Yonaguni, Japan is a submarine cable landing point in Japan (coordinates 24.4572°, 122.9908°). It serves 1 submarine cable system, making it a single-cable landing in Japan's international connectivity infrastructure.

Yonaguni , one of the Yaeyama Islands, is the westernmost island of Japan, lying between the East China Sea and the Philippine Sea. A mere 107.4 kilometers separate the island from Taiwan at their closest points. It is administered as the town of Yonaguni, Yaeyama Gun, Okinawa, and there are three settlements: Sonai, Kubura, and Higawa. There have been discussions to establish direct ferry services with Taiwan in order to bolster tourism. Wikipedia

Connected submarine cables

Connectivity profile

From Yonaguni, Japan, international traffic can reach 1 countries through 1 cable system. Destinations include Japan. This location depends on a single cable system — a characteristic that makes it strategically sensitive to physical disruptions.

Monitoring status

No monitoring incidents were recorded on cables serving Yonaguni, Japan in the past 90 days — all connected systems remained within normal latency thresholds. Our monitoring network continuously samples latency from external probes to targets reachable via these cables.

About the cables

• Okinawa Remote Islands (2017) — Okinawa Remote Islands is a domestic submarine cable network within Japan, connecting 9 coastal and island locations including Aguni, Ama, Hateruma, Itoman, Kumejima, and 4 more. The system provides essential telecommunications infrastructure for communities that would otherwise depend entirely on satellite or microwave links. Read more →

Submarine cable data from TeleGeography. Geographic context from Wikipedia. Monitoring metrics updated continuously by GeoCables.