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CONTACT

GRAND NIKKO TOKYO DAIBA

2-6-1, Daiba, Minato-ku,
Tokyo 135-8701, Japan

Tel:+81-3-5500-6711
(10:00~18:00)

< Notice of One Harmony
Membership Program Revision >

We plan to revamp our membership program effective March 23, 2026.
Enjoy a more rewarding program packed with benefits that let you earn more, use more, and choose more.

< Notice of System Maintenance Due to One Harmony Membership Program Revision >

Due to the revision of the One Harmony membership program,
member services will be temporarily suspended starting March 23, 2026.

Maintenance Period:
From 00:00 on March 23, 2026 to 10:00 on April 1, 2026 (scheduled)