Yurikamome operates a train from Odaiba to Ginza every 10 minutes. Tickets cost $2 - $4 and the journey takes 13 min.
How to get from Odaiba to Ginza
From Odaiba walk to Odaiba Kaihin Koen then train to Shimbashi. 18 min ¥379. From Odaiba walk to Odaiba Kaihin Koen, train to Shimbashi, then Metro to Ginza. 22 min ¥491. From Odaiba taxi to Ginza. 5 min ¥3818. From Odaiba walk to Ginza. 1 h 21 min.