There are 1770 km of waterways in Japan; seagoing craft ply all coastal inland seas.[citation needed]
There are some 994 ports in Japan as of April 2014.[11] There are overlapping classifications of these ports, some of which are intermodal e.g. cargo, passenger, naval, and fishery. The 5 designated "super" container ports are: Yokkaichi, Yokohama, Nagoya, Kobe and Osaka. 23 are designated major/international, 125 designated as important, while there are also purely fisherman ports.