Kasai Kaihin Park (Marine Park) 葛西海浜公園

Kasai Marine Park is a brackish wetland in Tokyo Bay, created in 1976 to restore natural ecosystems lost to development. The park features human-made beaches, Nishi Nagisa and Higashi Nagisa, with the latter serving as a National Wildlife Protection Area. Approximately 126 bird species have been observed there, including wintering greater scaup and great crested grebe.

Source: rsis.ramsar.org ↗, read 2026-09-10