Comiket weekend (Ariake / Tokyo Big Sight) (コミケ（有明・ビッグサイト周辺）) 2026 — hotel vacancy & cancellation watchWatching ten highly-rated hotels within reach of Tokyo Big Sight for the Comiket days.Watched nights: Dec 28–30. Base: Tokyo Big Sight. This event is watched on demand: tap resume on the page to start it, and the instant a highly-rated hotel frees up (a cancellation), Aki alerts you with a one-click Rakuten Travel booking link.Why rooms are hard to getComiket mornings are won the night before — the Ariake hotels within walking distance of Big Sight fill first the moment dates are announced, with some nights already full half a year out. Central Tokyo has rooms; the walk-to-venue pool is its own battlefield.When rooms open & cancellations appearBookings shift at every circle-lottery and entry-ticket result, and even walk-distance rooms come back around free-cancellation deadlines. Watching along the Rinkai and Yurikamome lines — Daiba, Toyosu, Shiomi — is the practical net.If it's full: nearby towns

Toyosu / Shiomi — ~10–15 min on the Yurikamome or Rinkai Line.

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