Chai Wan, China

Chai Wan: Submarine Cable Landing Point

Chai Wan is a district situated at the eastern end of Hong Kong Island, forming part of China's submarine cable infrastructure along its southern coastline. The area, administratively within the Eastern District, serves as a landing point for one submarine cable, connecting it into China's broader intra-regional cable network. As a single-cable landing point, Chai Wan plays a focused role in the domestic connectivity fabric rather than functioning as a multi-cable international hub.

The cable landing here, TKO Connect, is a short intra-national link, reflecting Chai Wan's current role as a point of local rather than intercontinental cable connectivity. With China hosting 24 submarine cables across 24 landing points, Chai Wan ranks within the top 63 percent of Chinese landing points by cable count, placing it among the more modestly scaled nodes in the country's overall submarine cable geography.

Cables Landing at Chai Wan

TKO Connect is a submarine cable with a total length of 6 km, reaching ready-for-service status in 2023 as a draft system. The cable connects Chai Wan to other endpoints within China, making it a short-haul, intra-national link rather than an intercontinental route. Its compact length distinguishes it from the broader Chinese cable average of approximately 10,860 km, underscoring its function as a local connectivity solution within the domestic network.

Regional Context

Within China's submarine cable landscape, Chai Wan sits at the lower end of the scale when compared to major landing points such as Chung Hom Kok and Tseung Kwan O, each of which hosts six cables, or Chongming and Nanhui, which each accommodate four. Other peers, including Shantou with three cables and Lantau Island with two, similarly surpass Chai Wan's single-cable presence. This positions Chai Wan as one of China's more specialised landing points, defined by a narrow and specific connectivity function rather than broad multi-cable aggregation.

Network Role

Chai Wan operates as a single-cable terminus rather than a multi-cable hub, with its sole connection — TKO Connect — serving a local, intra-Chinese routing function. The cable's very short span of 6 km suggests it links nearby domestic nodes within the Hong Kong portion of China's network, supporting internal data routing between proximate landing points or cable stations rather than bridging international corridors.

Within the regional submarine cable graph, Chai Wan's significance lies in providing a dedicated domestic connection point on Hong Kong Island's eastern shore, complementing the denser cable activity found at nearby landing points and contributing to the granular internal structure of China's submarine cable ecosystem.