For Individuals

For Groups

Proceed to ticket
purchase and reservation

A reservation for a specific date and time
is required to enter átoa.

Please make reservations and purchase tickets online in advance.
Tickets can be purchased on-site if there are reservations slots available.

How to Purchase Tickets

You will be transferred to the reservation page if you press the Proceed to ticket purchase and reservation button. After selecting the date, time, and number of people, enter information about the person purchasing the tickets and be sure to continue to the Purchase Complete screen.


How to Pay

For bookings with Advance Payment, we accept credit card payments only.
For bookings with On-site Payment/Entrance Voucher, you can pay using your preferred payment method on the day of your visit.
We accept cash, credit cards, transportation IC cards, ID, Rakuten Edy, nanaco, WAON and QR code payment services (PayPay, auPAY, d-payment, etc.).


About Cancellation

Tickets cannot be cancelled once they have been reserved. Your understanding is appreciated.


How to Issue Tickets and Enter


After Reservation

An email will be sent to you after the purchase is complete. Be sure to keep this email as it contains your confirmation number.


On the Day

If you book your tickets with Advance Payment, you can receive your tickets by entering your confirmation number and phone number into the ticket machine in front of the entrance to the aquarium.


There is no group pricing. Your understanding is appreciated.
A reservation for a specific date and time is required. We accept tentative reservations for groups more than a month in advance.
Please informing us of your reservation by a month before your visit date.

About Reservations for Groups of 20 or More

You can make a reservation for a group of 20 or more if you plan to purchase tickets all at once.

  • *Tour guides are free (Restrictions apply)
  • *Photographers are charged the general entry fee
  • The following seasons are expected to be crowded. Please make your reservations early.

We accept reservations as we receive them. We may ask you to change your entry time.
Weekdays from middle of February to early March, weekdays from middle of April to end of May, weekdays in October and November

How to Make a Group Reservation

To make a tentative reservation, download the form below and send the completed form via fax.
We will send a reservation number, pricing, and other information via fax after checking the details of your form.
Your tentative reservation is complete when you receive a return fax.Please informing us of your reservation by a month before your visit date.
If we do not receive a phone call from you, your reservation will be cancelled.

Please read the Group Admission Guidelines (PDF)before applying for admission.

Reservation and Questions

the Group Reservation Form


tel+81-78-321-765510:00 - 21:00 (Except when closed)

For Certificate Holders

Discounts for Presenting a Disability Certificate will apply for customers with one of the following: a physical disability certificate, a mental disability certificate, or a rehabilitation certificate
Please fill out the Discounts for Presenting a Certificate form below and send with a paper reservation form for smooth reservation and entry.

Discounts for Presenting
a Certificate Form (PDF)

Travel Agency Coupons

You can use coupons from any of the following travel agencies as payment:

  • JTB
  • Meitetsu World Travel
  • KNT (Kintetsu Nippon Tourist)
  • Yomiuri Travel Service

Warnings When Visiting

  • Bringing Group Lunch, Food, or Drinks

    We do not offer any space for eating lunch. Your understanding is appreciated. Due to space limitations, please refrain from bringing lunches, food, or drinks inside the building. (bottled water is allowed)

  • About Re-entry

    Re-entry is generally not allowed.

  • Warnings

    Please keep all hands and objects out of tanks. Do not give food to any exhibit animals without permission.

  • About Camera Use

    You may take photos and videos while inside, but refrain from using flash. Please refrain from taking photos in a location that could obstruct other guests' view.

For Customers Requesting a Preview Visit

Please note that you would like a preview visit on the Group Entry Reservation Form. We cannot accept preview visits if they have not been reserved in advance.
Preview visits are limited to customers who already have a group reservation for a group of 20 or more. Only organizers (up to three people) will be granted free entry for preview visits. Any persons accompanying organizers will be charged for entry.
Tours will not be given by staff.

Hours for preview visits: from one hour after opening until one hour before close

Preview visits are not offered during chartered events, Golden Week or other busy seasons.

Business hours


*Last entry is 1 hour before closing