Reservations

Your place to relax in your own style
SKY PLAZA IBASHO

A New "IBASHO"—Your Sanctuary in the Sky


Perched on the hotel's top floor, this brand-new space offers a panoramic view of Shinjuku.


The concept is simple: 
"Your Style, Your Time, Your Space"
Whether you are here for focused work or a lively conversation with friends,
we offer a fresh way to experience your hotel stay.

The warm, cohesive design promises a soothing atmosphere.
 Indulge in a moment of pure serenity.

Lounge

[For Visitor Guests] Advance Reservation Required from April 25, 2026.

From Saturday, April 25, 2026, guests using SKY PLAZA IBASHO at visitor rates will be required to make a reservation and purchase tickets in advance.
Please check the reservation method below and purchase your ticket (QR code) before entering.
Guests staying at the hotel do not need to make a reservation.
Thank you for your understanding and cooperation.

Entrance

OPENING HOURS

Daytime: 8:00 a.m. – 4:30 p.m.
Nighttime: 5:00 p.m. – 10:00 p.m.
(Last order / 9:30 p.m.)

* If you continue to use the lounge after the daytime session,
nighttime charges will apply.

LOCATION

47th floor of the Main Tower

- Visitor Rates -

  • Available to non-hotel guests
  • ・Daytime (Weekdays) 2,000  JPY
  • ・Daytime (Weekends & Holidays) 2,500 JPY
  • ・Night Time (All Days) 5,000  JPY

Starting with April 25, 2026 (Saturday), please make your reservation and purchase your tickets in advance through the external reservation website listed below.

  • * Please note that entry may be restricted during busy periods.
  • * SKY PLAZA IBASHO is a non-smoking area.
  • * Please refrain from bringing in food and beverages to SKY PLAZA IBASHO.
    (However, baby food, food for those with dietary restrictions, and water in thermos or plastic bottles are allowed.)
  • * Children aged elementary school and older will be charged as adults.
  • * There are some areas in SKY PLAZA IBASHO where you will be required to take off your shoes.
    (We do not provide slippers.)
  • * Please note that SKY PLAZA IBASHO does not handle cash. Payments can only be made by credit card or QR code.

- Conference Room / Karaoke Room
(Reservation Required) -

  • ・Multi-space meeting rooms & karaoke rooms (approx. 9㎡, max. 6 people) 2,000  JPY (per person, per hour)
  • ・One co-working space with 3 booths (approx. 1.6㎡ each, maximum of 3 people at a time, 1 per booth) 1,000  JPY per person, per hour
  • *Reservation required. Please make a reservation by phone.
    SKY PLAZA IBASHO TEL: 03-3344-9447 (direct line) Reception hours: 8:00 a.m. – 10:00 p.m.
    (For conference room and karaoke room users, prior reservation and ticket purchase on the reservation site are not necessary. Please pay on-site.)
  • *Please note that the multi-space usage fee is charged separately from the accommodation plan rates and visitor fees.
  • *The extension fee is the same as the hourly rate for each additional hour.
  • *For guests staying at Premier Grand, the meeting rooms and co-working spaces are available for up to 2 hours per day free of charge (advance reservation required). For extensions or use of the karaoke room, a multi-space usage fee will be charged.

- Executive Room Card Members
Keio Passport Card Member Benefits -

  • ■ Free admission for Executive Card members staying at the hotel
  • ■ 10% discount from visitor fee for non-staying guests
  • *The contents of this page are subject to change without notice.
  • *Executive Card members and Keio Passport Card members, please be sure to present your card.

ART - Elevating the Experience -

Hotel Art Collection
We feature five distinct artworks in collaboration with Heralbony, 
an organization whose mission is to "Let Your Brilliance Shine."
In the Library Zone, 
guests can explore various art books and Japanese traditional crafts.
Highlights include Nishijin-ori Daruma and Maneki-neko, 
showcasing the finest Japanese craftsmanship.

Heraldic Bony Art