1 submarine cable landing points in Sao Tome and Principe. View coordinates, connected cables, and detailed location info.
Sao Tome and Principe has one submarine cable landing point located in Sao Tome. Two submarine cables connect the country to international networks. The Africa Coast to Europe (ACE) cable, the longest serving the country, has been in service since 2012 and spans 17,000 kilometers. It links Sao Tome and Principe to other nations, including Benin, Côte d'Ivoire, Equatorial Guinea, France, Gabon, and Gambia. The newest cable, Ultramar GE, became operational in 2023, running 263 kilometers and connecting Sao Tome and Principe to Equatorial Guinea.
The primary internet service providers in Sao Tome and Principe are CST, Unitel STP, and Starlink, with CST having the largest user base. The country's submarine cable network is classified as vulnerable, meaning it depends on one or two cables for connectivity. GeoCables recorded two outages in the last 90 days, with the most recent occurring on October 6, 2026.
Every cable that lands in this country, with live latency on its page.
Cables landing here whose break would hurt this country most, by our cable graph.
No single cable break would cut this country off: alternatives exist for every cable.
| Name | Connected Cables |
|---|---|
| Sao Tome, Sao Tome and Principe › | 2 |
Internet status by provider and the resilience of the country's cable connectivity.
Sao Tome and Principe has 2 submarine cables and 1 landing points in the GeoCables database.
The oldest cable in service is Africa Coast to Europe (ACE) (2012), the newest is Ultramar GE (2023).
By our cable graph no single break cuts Sao Tome and Principe off. The largest effect comes from Africa Coast to Europe (ACE): up to plus 21.2 ms towards South Africa. We count paths and milliseconds, not capacity.
At the last check (2026-11-04 10:11 UTC) the internet in Sao Tome and Principe was working normally. Providers and history