The Pool at Hotel Metropolitan Tokyo Ikebukuro
The pool at Hotel Metropolitan Tokyo Ikebukuro is mentioned by expert writers. Of the 3 professionals that we monitored, 2 referenced the pool, like Rough Guide and Oyster.
Hotel Metropolitan Tokyo Ikebukuro 
Rough Guide
Oyster
Rough Guide "Belonging to the Crowne Plaza group, lkebukuro's plushest hotel offers all the facilities you'd expect, including several restaurants, an outdoor pool (mid-June to early Sept; ¥1000) and limousine bus connections to Narita Airport"
Oyster "The hotel offers a host of features, including nine restaurants, a panoramic bar, a beauty salon, and a spa with a pool and a fitness center, for an extra fee"
