DIAMOND POOL
A garden pool surrounded by lush greenery under the blue sky.
Enjoy summer as a family with the adjacent toddler pool.
Experience a joyful day in a spacious and open environment.
A collaboration event with the movie “Minions & Monsters” in 2026!
Enjoy memorable summer moments with your family.
- DATE
- 2026.7/17 FRI. - 8/30 SUN.
- TIME
-
9:00A.M. - 4:00P.M.
（Last admission 3:30P.M.） - VENUE
-
Japanese Garden at
Grand Prince Hotel Shin Takanawa- The pool will be closed on Saturday,
August 1 and Tuesday, August 4.
- The pool will be closed on Saturday,
COLLABORATION
-
Collaboration event with the movie “Minions & Monsters,”
which opens in cinemas on August 7, 2026! -
A collaboration event will be held at the Diamond Pool to celebrate the release of the movie “Minions & Monsters.”
This year, we're bringing you a wilder, more unforgettable summer than ever before.
COLLABORATION
MENU
EVENT
ICE Park Day A wildly chilly experience!
Collaboration event with the movie
“Minions & Monsters”!
This event to help you forget the summer heat and enjoy the refreshing feel of ice is back again this year. Watch ice sculptures carved by our ice sculptor be plunged into the pool! Witness the thrilling performance as ice sculptures of characters are carved right before your eyes. Then enjoy the refreshing coolness of the ice.
- July 25
-
On Saturday July 25, come and meet
the Minions at our meet-and-greet event!
- Yoshihito Kosaka
-
Ice Carver / Grand Prince Hotel Takanawa ice carving expert. Winner of the Meiji Jingu Shrine Winter National Ice Sculpture Exhibition, Grand Prize at the Asahikawa Winter Festival, and numerous other international competitions. Performed at the 2026 Milan-Cortina Winter Olympics.
COLLABORATION
ROOM
STAY PLAN
at the Grand Prince Hotel Shin Takanawa?!
Stay in a Minion-themed room and enjoy the Minion-themed pool and meals!
“Minions & Monsters” collaboration events are being held
at Prince Hotels throughout Japan!
POOLS
-
MAIN POOL
Enjoy a relaxing time in the spacious area.
Forget you are in the city at the garden pool surrounded by lush greenery. -
KIDS POOL
A 0.6 meters deep pool where children can play safely.
Lots of fun items like water guns and swim rings are available to use free of charge.
RENTAL ITEMS
Available as a same-day purchase option.
- Enjoy a 50% discount on the prices listed below when paying with SEIBU Smile POINTS.
-
Cabana
¥20,000 -
Daybed
¥3,000 -
Parasol
¥3,000 -
Children's Playground
Free
- Pool toys and flotation gear are available to borrow free of charge.
- Parasols may be unavailable during strong winds.
- When using daybeds and parasols at both Diamond Pool and Sky Pool, payment will be required at each pool, respectively.
FOOD & DRINKS
Enjoy items from the vast menu while relaxing by the spacious poolside.
CAFE TIME
PRICE / FAQ /
NOTICE
Prices, FAQs, Notices
- Photographs are for illustrative purposes only.
- Please note that contents are subject to change without notice.
- Prices listed on the Collaboration Menu include service charges and consumption tax.
- All prices include consumption tax.
- We regret that we are unable to accommodate food allergies.
- At our facilities, as all food and beverages are handled in the same environment, we are unable to completely prevent contamination with minute quantities of an allergen other than the ingredients being used.
- The allergy information is based on the ingredient information (food labeling) of the ingredients used and from their manufacturers, etc.
- We may be unable to guarantee a risk-free meal to guests with the high complexity of multiple allergies.
- Please be advised that occasionally menu items change based on market availability.