Kuala Sedili, Malaysia

Kuala Sedili: Submarine Cable Landing Point

Kuala Sedili is a village located in Kota Tinggi District, Johor, on the southeastern coast of Malaysia. As a submarine cable landing point, it sits within a national network that spans 31 cables across 20 landing points, and Kuala Sedili contributes two cables to that total. Both systems are currently in draft status with a projected ready-for-service year of 2027, positioning Kuala Sedili as an emerging node in Malaysia's submarine cable geography rather than a long-established one.

The two cables landing at Kuala Sedili — the Asia Link Cable and the Vietnam-Singapore Cable System — collectively connect Malaysia to a range of Southeast Asian and East Asian nations, including Singapore, Vietnam, China, the Philippines, Brunei, and Thailand. Together, they enable regional connectivity across the South China Sea and broader Southeast Asian corridor, linking continental Southeast Asian states with island and peninsular endpoints.

Cables Landing at Kuala Sedili

The Asia Link Cable (ALC) is a 7,200-kilometre system with a draft ready-for-service date of 2027. In addition to Kuala Sedili, it connects to landing points in Brunei, China, the Philippines, Singapore, and Vietnam. The cable spans a wide northeastern arc across the South China Sea, linking Southeast Asian nations with China and providing a corridor that bridges peninsular Malaysia with both island Southeast Asia and East Asia.

The Vietnam-Singapore Cable System (VTS) is a shorter regional system with a draft ready-for-service date of 2027. Its other endpoints are in Singapore, Thailand, and Vietnam. With no published length in the available record, what is clear is that the cable ties Kuala Sedili into a triangle of connectivity across the Gulf of Thailand and the Strait of Malacca corridor, linking Malaysia with its immediate regional neighbours to the north and south.

Regional Context

Among Malaysia's 20 submarine cable landing points, Kuala Sedili ranks in the top 65 percent by cable count, hosting 2 cables. This places it behind the more established hubs of Penang (6 cables), Mersing (5 cables), Cherating, Kuching, and Melaka (each with 4 cables), and Morib (3 cables). As a site where both cables are still in draft status for 2027, Kuala Sedili is best understood as a developing point of presence within Malaysia's coastal cable landscape.

Network Role

Kuala Sedili serves as a dual-cable landing point connecting Malaysia into two distinct regional systems. The Asia Link Cable provides reach toward China and the Philippines to the northeast, as well as to Brunei, Singapore, and Vietnam, while the Vietnam-Singapore Cable System reinforces the more immediate sub-regional connections to Vietnam, Thailand, and Singapore. Together, the two cables give Kuala Sedili a role in both intra-ASEAN connectivity and a wider East Asian link via China.

Both systems are anticipated to be operational in 2027, meaning Kuala Sedili's position in the regional submarine cable graph is one that is still taking shape. Once active, it will represent one of the newer dual-cable landing points on Malaysia's eastern Johor coastline, adding capacity to a national infrastructure that has been growing since its first submarine cable landed in 1997.