Summer opening hours extended by 3 hours: "Enjoy the cool evening air at the aquarium"
event
July 9, 2026 (Updated July 17, 2026)
Tokyo Sea Life Park will extend its opening hours by three hours for four days, from August 8th (Saturday) to August 11th (Tuesday, public holiday), and will be holding various events that can be enjoyed by both children and adults. Enjoy the aquarium, where you can feel the sea and sky, during the summer evening.
period
August 8th (Sat) - 11th (Tuesday/Holiday), 2026
Closing time
8 PM (Entry until 7 PM)
Special Program
Evening chat
August 8th (Sat) - 11th (Tuesday/Holiday), 2026
Each day from 7:00 PM to 7:20 PM
Main building restaurant terrace (Lecture room in case of rain)
Enjoy a fun talk session unique to an aquarium setting. Feel free to join us while you have your meal.
August 8th (Saturday): What will we hear?! director 's special talk!
August 9th (Sunday): What do the research team do? ~Find, collect, and transport~
August 10th (Monday): Anecdotes about animal feed and surprising ways to use everyday items!
August 11th (Tuesday, National Holiday): [We'll answer your questions!] Behind the scenes of seabird breeding at Tokyo Sea Life Park
Penguin Sunset Guide
August 8th (Sat) - 11th (Tuesday/Holiday), 2026
Each day from 17:30, 18:00, 18:30, and 19:00
Each session is about 5 minutes long.
Penguin Ecology
What do penguins do at dusk? Let's observe them together.
From Edogawa Ward! Taiko drumming and Bon Odori dance
August 8th (Saturday), 9th (Sunday), 11th (Tuesday/Holiday), 2026
Japanese drum performance and Bon Odori dance: 5:45 PM - 6:30 PM each day
Japanese Taiko Drumming Experience: 6:30 PM - 6:45 PM daily
Performing groups
- August 8th (Sat) Performance by "Kotobuki-ryu Edogawa Taiko"
• August 9th (Sunday) "Kotobuki-ryu Edogawa Taiko" and "Rakko no Kai"
performance
- August 11th (Tuesday, national holiday): Performance by "Kotobuki Taiko"
Main Building, Sky Plaza (cancelled in case of rain)
We will be hosting a Japanese taiko drum performance featuring groups based in Edogawa Ward. Let's enjoy the sounds of Bon Taiko drums, unique to this time of year, and dance the Bon Odori together while feeling the sea breeze.
・Kotobuki-ryu Edogawa Taiko:
A Japanese taiko drumming enthusiasts' club whose motto is "bright and fun."
・Gakko no Kai:
A Japanese taiko drumming group for visually impaired people active in Edogawa Ward.
・Kotobuki Taiko:
A creative taiko drumming group founded in 1980, bringing together taiko drum enthusiasts of all ages, from adults to children.
Seaside Festival Museum
Saturday, August 1st to Monday, August 31st, 2026
*Normally the park is open from 10:00 AM to 4:15 PM.
You can view it all day from August 8th (Sat) to 11th (Tue/Public Holiday).
Information Desk 2nd Floor, Main Building
The exhibition features specimens and videos of marine life, all themed around a "summer festival." During the event, the lights will be dimmed after 5 PM, transforming the space into a special evening relaxation area.
Sea creatures picture story show
August 8th (Sat) - 11th (Tuesday/Holiday), 2026
5:00 PM - 5:30 PM
Lecture Room, 2nd Floor, Main Building
Kamishibai (picture-story shows) have long been a popular attraction for children at summer festivals and fairs.
In "Cooling Off at the Aquarium in the Evening," we will present a fun picture story show about marine life, presented by "Tokyo Sea Life Volunteers (TSV)."
Ice pillar exhibition and ice sculpture demonstration
① Cool icicles you can touch
August 8th (Sat) - 11th (Tuesday/Holiday), 2026
4 PM - 8 PM
In front of the main building restaurant
We've set up a huge block of ice! Feel free to touch it and enjoy the cool sensation.
② Demonstration! Ice Sculpture
Monday, August 10, 2026
16:30~ (about 45 minutes)
Rest Main Gate next to the main gate
We will demonstrate how to create ice sculptures inspired by sea creatures. You'll have to wait and see what we create!
Once completed, the illuminated sculpture will be on display.
A tuna-shaped Edo-style wind chime drawn by the staff!
Saturday, August 1st to Monday, August 31st, 2026
9:30 AM - 5:00 PM
Main building, 3rd floor glass dome
The aquarium staff have painted tuna designs on wind chimes. Please enjoy the variety of unique wind chimes.
It can also be used as a photo spot.
Festival food stalls
August 8th (Sat) - 11th (Tuesday/Holiday), 2026
5 PM - 7 PM
Main building restaurant terrace (cancelled in case of rain)
We've prepared a restaurant menu perfect for a summer festival!
Enjoy the festive atmosphere while feeling the sea breeze.
Related Information
Tama Zoo will also be extending its opening hours by 3 hours during the summer!
"Summer Night @ Tama Zoo 2026: Looking up at the summer night sky together"
Dates: August 8th, 9th, 13th, 14th, 15th, and 22nd, 2026
9:30 AM - 8:00 PM (Last entry at 7:00 PM)
Related Information
Kasai Rinkai Park will host "Magic Hour: A Time When Life Connects," a movement of flowers and light, from July 31st (Fri) to August 16th (Sun), 2026.
