Enjoy summer at our two outdoor pools! Opens Fri, July 17.
Enjoy two pools with distinct atmospheres as they transform throughout the day.
* Children aged 12 and under must be accompanied by a parent or guardian.
* There is no children’s pool at the “Sky Pool.”
* The Night Pool is available at the Sky Pool only.
* The Night Pool is available to staying children aged 4 and over who are fully toilet-trained.
* The Obon holiday period is Thu, Aug 13 – Sun, Aug 16.
* For details, please check the official website.
■ Period
Fri, July 17, 2026 – Sun, August 30, 2026
Diamond Pool: 9:00–16:00 (last entry 15:30)
Sky Pool: 16:00–20:30 (last entry 20:00) *Open from Sat, July 25.
■ Fees
*Pool-only admission*
1-Day Passport
Weekends/Holidays & Obon: Adults JPY12,000 / Children (ages 4–12) JPY8,000
Weekdays: Adults JPY10,000 / Children (ages 4–12) JPY6,000
Night Pool
Weekends/Holidays & Obon: Adults (ages 16+) JPY11,000
Weekdays: Adults (ages 16+) JPY9,000
*Stays without a pool Plan*
1-Day Passport
Weekends/Holidays & Obon: Adults JPY9,000 / Children (age 12 and under) Free
Weekdays: Adults JPY7,000 / Children (age 12 and under) Free
Night Pool
Weekends/Holidays & Obon: Adults JPY7,000 / Children (age 12 and under) Free
Weekdays: Adults JPY5,000 / Children (age 12 and under) Free
* On event days for “ICE Park Day” (7/25 and 8/11 &/22), an additional JPY1,000 will be added to the above fees.
The following staying guests may use the pool free of charge from check-in until checkout day at 16:00:
- Seibu Prince Global Rewards (SEIBU PRINCE CLUB) Diamond/Platinum members staying at Prince Hotels in the Takanawa area and their accompanying guests (up to three)
- Staying children aged ≤12 years old (must be accompanied by a parent or guardian)
- Guests staying on the Club Floor