Rainbow Bridge is a 13 minute walk from Shibaurafuto Station. Remaining on the train will allow you to cross over the bridge for stunning views of Tokyo Bay from the comfort of your seat. Alternatively, leave Shibaurafuto Station and walk directly toward the bridge.
From Tokyo Station to Shibaurafuto Station:
Take the Yokosuka Line to Shimbashi Station, change trains to the Yurikamome Line to Shibaurafuto Station (10 minutes, ¥390)
From Shinjuku Station to Shibaurafuto Station:
Take the Oedo Line Shiodome Station, change trains to the Yurikamome Line to Shibaurafuto Station (28 minutes, ¥470)