Accommodation is available at the venue:

GRAND NIKKO TOKYO DAIBA HOTEL
2-6-1, Daiba, Minato-ku
Tokyo 135-8701
Japan
Ph:81-3-5500-6711
Fax:81-3-5500-4507
Website: https://www.tokyo.grandnikko.com/eng/

Hotels located near the venue:

HILTON TOKYO DAIBA HOTEL
1-9-1, Daiba, Minato-ku
Tokyo 135-8625
Japan
Ph: +81-3-55005500
Fax: +81-3-55005525
Website: https://www3.hilton.com/en/hotels/japan/hilton-tokyo-odaiba-TYOTOHI/index.html

Odaiba is an artificial island so the other hotels are little bit remote.
We recommend you book your hotel in districts Shiodome and Shimbashi/Ginza.