Sesimbra, Portugal

Sesimbra, Portugal is a submarine cable landing point in Portugal (coordinates 38.4427°, -9.1028°). It serves 5 submarine cable systems, making it a significant node in Portugal's international connectivity infrastructure.

Sesimbra is a municipality of Portugal, in the Setúbal District, lying at the foothills of the Serra da Arrábida, a mountain range between Setúbal and Sesimbra. Due to its particular position at the Setúbal Bay, near the mouth of the Sado River and its natural harbour, it is an important fishing town. The population in 2011 was 49,500, in an area of 195.47 km². The present Mayor is Francisco Jesus. Wikipedia

Connected submarine cables

Operators landing at Sesimbra, Portugal

Cables landing at Sesimbra, Portugal are operated by 45 distinct consortium partners and carriers, including AT&T, Altice Portugal, Angola Telecom, BICS, BT, Bayobab, Bharat Sanchar Nigam Ltd. (BSNL), Bharti Airtel, Camtel, China Telecom, and 35 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 Sesimbra, Portugal, international traffic can reach 24 countries through 5 cable systems. Destinations include Angola, Ascension and Tristan da Cunha, Benin, Cameroon, Côte d'Ivoire, Djibouti, Egypt, Gabon and 16 more. With multiple redundant paths, traffic at this landing point can reroute through alternative cables if any single system experiences an outage.

Monitoring status

No monitoring incidents were recorded on cables serving Sesimbra, Portugal 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

• Equiano (2023) — Equiano is Google's privately-funded submarine cable system connecting Europe and Africa. Activated in stages between 2022 and 2023, it runs roughly 15,000 km from Sesimbra in Portugal down the entire west coast of Africa to Melkbosstrand near Cape Town, with branch landings at Lagos (Nigeria), Lomé (Togo), Swakopmund (Namibia), and the remote British Overseas Territory of Saint Helena. Read more →
• Europe India Gateway (EIG) (2011) — Europe India Gateway (EIG) is a 15,000 km submarine cable that connects twelve countries on three continents — the United Kingdom and Portugal at the European end, then Spain, France, Gibraltar, Monaco, Egypt, Saudi Arabia, Djibouti, Oman, the United Arab Emirates, and finally Mumbai, India. Ready for service in 2011, EIG has been in the ground for over a decade. Read more →
• SAT-3/WASC (2002) — SAT-3/WASC is an intercontinental submarine cable system connecting West Africa and Europe and Southern Africa, with 12 landing points across 11 countries including Abidjan, Côte d'Ivoire, Accra, Ghana, Alta Vista, Canary Islands, Spain, Cacuaco, Angola and others. Read more →
• Sagres (1998) — Sagres is a submarine cable system operating within Portugal, with landing points at Burgau, Sesimbra. It provides dedicated submarine fiber capacity between these locations, supporting telecommunications, internet access, and enterprise connectivity. Read more →
• BUGIO (1996) — BUGIO is a submarine cable system operating within Portugal, with landing points at Carcavelos, Sesimbra. It provides dedicated submarine fiber capacity between these locations, supporting telecommunications, internet access, and enterprise connectivity. Read more →

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