Tatsumi StationTatsumi Station is a railway station in Tatsumi, Kōtō, Tokyo, Japan. Its station number is Y-23. The station opened on 8 June 1988, and consists of an island platform serving two tracks.Line Tokyo Metro Yūrakuchō LinePlatform layoutThe station consists of an underground island platform serving two tracksSurrounding area Shinonome Station (Tokyo) Tokyo Tatsumi International Swimming Center