Sao Tome, Sao Tome and Principe

Sao Tome, Sao Tome and Principe is a submarine cable landing point in Sao Tome and Principe (coordinates 0.3333°, 6.7333°). It serves 2 submarine cable systems, making it a multi-cable landing site in Sao Tome and Principe's international connectivity infrastructure.

Connected submarine cables

Operators landing at Sao Tome, Sao Tome and Principe

Cables landing at Sao Tome, Sao Tome and Principe are operated by 21 distinct consortium partners and carriers, including Bayobab, Cable Consortium of Liberia, Canalink, Dolphin Telecom, GITGE (Gestor de Infraestructuras de Telecomunicaciones de Guinea Ecuatorial), GUILAB, Gambia Submarine Cable Company, International Mauritania Telecom, Orange, Orange Cameroun, and 11 others. Each cable is typically jointly owned by a consortium of tier-one carriers and hyperscale operators who share construction costs and capacity; the operator mix reflects both regional incumbents and global players with interest in the routes served by this landing point.

Connectivity profile

From Sao Tome, Sao Tome and Principe, international traffic can reach 17 countries through 2 cable systems. Destinations include Benin, Côte d'Ivoire, Equatorial Guinea, France, Gabon, Gambia, Ghana, Guinea and 9 more.

Monitoring status

No monitoring incidents were recorded on cables serving Sao Tome, Sao Tome and Principe 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

• Ultramar GE (2023) — Ultramar GE is a point-to-point submarine cable linking Equatorial Guinea and Sao Tome and Principe. Landing at Annobon, Sao Tome, it provides a direct fiber-optic path between the two countries, serving as both a primary data route and a redundancy option for neighboring cable systems. Read more →
• Africa Coast to Europe (ACE) (2012) — Africa Coast to Europe (ACE) is a 17,000 km submarine cable that runs along the entire Atlantic coast of West Africa and ends in France. It lands at 19 stations across 19 countries, which makes it one of the most widely-landed submarine cables in the world. Read more →

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