The Rinkai Line (りんかい線 Rinkai-sen) is a railway line located in Tokyo, Japan. It is the only line operated by the third-sector company Tokyo Waterfront Area Rapid Transit. It connects central Tokyo to the artificial islands of Aomi and Odaiba. The line is served by some trains on the East Japan Railway Company (JR East) Saikyō Line which continue on to Shinjuku, Ikebukuro, Ōmiya, and Kawagoe. Tennōzu Isle Station (天王洲アイル駅 Tennōzu Airu-eki) is a railway station in Shinagawa, Tokyo, Japan, operated by Tokyo Monorail and Tokyo Waterfront Area Rapid Transit (TWR). The two stations are approximately 100 m apart, linked by an elevated walkway.