The Cable Map website is a map based on The initial data was obtained from Wikipedia, and more information was collected step by step from Google and manual entry, which led to the creation of this website.

Submarine cable (undersea cable) is a cable wrapped with insulating material, laid on the seabed, used for telecommunications transmission. Submarine cable is divided into submarine communication cable and submarine power cable. Modern submarine cables are using optical fiber as the material to transmit telephone and Internet signals. The world's first submarine cable was laid between England and France in 1850. China's first submarine cable was completed in 1888.