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Enjoy the lingering summer heat and the Silver Week holidays! Discounted admission tickets will be on sale from August 17th (Monday). ~The "Sumisui Fireworks 2026 - A Summer of Cooling with Water and Light" event will also have its run extended.~

Sumida Aquarium (Location: Sumida-ku, Tokyo; General Manager: Rui Kawasumi) is pleased to announce that it will be selling special discounted tickets for admission from August 17th (Monday) to September 24th (Thursday), 2026, for a limited time. In addition, the ongoing summer event, "Sumisui Fireworks 2026 ~A Summer Cooling Off with Water and Light~"* will be extended until September 24th (Thursday).
The special tickets being sold this time are limited-time tickets designed for families and friends to enjoy a unique summer experience at Sumida Aquarium from the latter half of summer vacation through Silver Week. From August 17th (Monday) to September 24th (Thursday), tickets will be available for customers entering between noon and 4pm, offering half-price admission for up to 5 children (junior high school age or younger) accompanied by one adult or high school student. Tickets will also be available for customers entering after 5pm, offering discounted admission for the second and subsequent people when two or more adults or two or more high school students are present.
The summer-only event currently underway, "Sumisui Fireworks 2026 ~A Summer of Cooling with Water and Light~," has been extended and can be enjoyed until September 24th (Thursday). In addition, the projection mapping of fireworks themed after aquarium animals, which is usually projected only at night during the event, will be shown during the daytime as well from August 17th (Monday) to September 24th (Thursday).
During the period leading up to Silver Week, when the lingering summer heat continues, we encourage you to enjoy a refreshing summer moment woven together by water and light with your family and friends.
1. Special Ticket Overview
Admission period: August 17th (Mon) - September 24th (Thu), 2026
Sales period: August 17th (Mon) - September 24th (Thu), 2026
■Discounted admission for junior high school students and younger! Special tickets valid for entry between noon and 4 PM.
Admission hours: 12:00 PM - 4:00 PM
Discount applies to: Junior high school students and younger
Discount conditions: Up to 5 children (junior high school age or younger) will receive a 50% discount on admission fees for each paying adult or high school student.
Discount example: ① When using the service with 1 adult, 1 elementary school student, and 1 infant
Adults: 2,700 yen (regular price), Elementary school students: 700 yen (half price), Infants: 450 yen (half price)
② When using the service with 1 adult, 1 high school student, and 1 junior high school student
Adults: 2,700 yen (regular price), High school students: 2,000 yen (regular price), Junior high school students: 700 yen (half price)
How to purchase: Please purchase tickets from the ticket sales page (https://www.asoview.com/item/ticket/ticket0000055185/) .
Please purchase your special ticket in advance from the sales page before attending. Discounts will not apply if you do not purchase your ticket in advance.
Please purchase tickets in bulk for the number of people attending.
All prices include tax.
Tickets will be invalid outside of the designated entry time.
■Group discount! Special tickets for entry after 5 PM
Entry time: After 5 PM
Discount applies to: Adults or high school students
Discount conditions: For groups of 2 or more adults, the admission fee for the second and subsequent adults will be discounted from 2,700 yen to 1,300 yen.
For groups of two or more high school students, the admission fee for the second and subsequent people will be discounted from 2,000 yen to 1,000 yen.
Discount example: ① For 3 adults
First person: 2,700 yen (regular price), second person: 1,300 yen, third person: 1,300 yen
② If three high school students are using the service
First person: 2,000 yen (regular price), second person: 1,000 yen, third person: 1,000 yen
How to purchase: Please purchase tickets from the ticket sales page ( https://www.asoview.com/item/ticket/ticket0000055232/) .
Please purchase your special ticket in advance from the sales page before attending. Discounts will not apply if you do not purchase your ticket in advance.
Please purchase tickets in bulk for the number of people attending.
Discounts do not apply to groups of adults and high school students. If you have multiple adults and multiple high school students, please purchase separate discount tickets for adults and high school students.
All prices include tax.
Tickets will be invalid outside of the designated entry time.
2. Regarding the extension of the event period and some changes to the content of "Sumisui Fireworks 2026 ~A Summer Cooling Off with Water and Light~"
The summer event "Sumisui Fireworks 2026 ~A Summer of Cooling with Water and Light~," which began on Tuesday, July 14th, 2026, will be extended until Thursday, September 24th. This event will feature two different projection mapping displays on the ceiling of the "penguins Pool," one for daytime and one for nighttime, as well as a corridor lined with 100 "jellyfish Wind Chimes" that adorns the staircase from the 6th to the 5th floor of the building, available for a limited time. In addition, exhibition panels introducing Edo-period summer culture and the charm of goldfish will continue to be on display until Silver Week.
The projection mapping ceiling display, which previously only showed fireworks inspired by aquarium animals at night, will now also be shown during the day for limited periods starting August 17th (Monday).
■ Overview of "Sumisui Fireworks 2026 ~A Summer of Cooling with Water and Light~"
Event period: Until Thursday, September 24th
Venue: Various locations within Sumida Aquarium
■Regarding the ceiling projection mapping from August 17th (Monday) to September 24th (Thursday)
Projection location: penguins pool ceiling
Projection time: Goldfish show: From opening time until 6 PM
Fireworks display: ① Every day from August 17th (Mon) to 31st (Mon), and on Saturdays, Sundays, and public holidays from September 1st (Tue) to 24th (Thu)
AM: 9:40
PM: 12:40, 3:10, 6:10, 6:40, 7:10, 7:40, 8:10, 8:40
② Weekdays from September 1st (Tue) to September 24th (Thu)
PM: 12:40, 3:10, 6:10, 6:40, 7:10, 7:40
Regarding the fireworks displays, the projections at 9:40 AM, 12:40 PM, and 3:10 PM will be illuminated with brighter lighting than the projections from 6:10 PM onwards.
Each fireworks display lasts approximately 9 minutes.
The ceiling projection mapping show may be changed or canceled without notice due to equipment maintenance, system malfunctions, or other operational reasons.









