Hotel Tokyo Nikko (10 minutes from Tokyo Big Sight) 1-9-1 Daiba, Minato-ku, Tokyo www.hnt.co.jp (click on English for non-Japanese speakers) The hotel combines a spectacular waterfront location and a remarkably natural open-air ambience to create a new "Urban Resort" that is redefining the luxury hotel experience in Tokyo.   Tokyo Bay Ariake Washington Hotel (5 minutes from Tokyo Big Sight) 3-1 Ariake, Koto-ku, Tokyo http://www.ariake-wh.com/ (Japanese) The hotel is located in front of the Tokyo Big Sight convention center and is a Japanese-style, business hotel. The hotel also overlooks the new Tokyo waterfront area. It is a three minute walk to Ariake Station.