Tokyo Sea Life Park 2026: Tickets, Hours & Penguin Guide
Tokyo Sea Life Park, also known as Kasai Rinkai Suizokuen, is a major public aquarium on the edge of Tokyo Bay in Kasai Rinkai Park. Its distinctive glass dome rises above a landscaped waterfront setting, while exhibitions introduce marine habitats from tropical waters to the open ocean. It is a popular family stop and offers a different atmosphere from the indoor aquariums built into city shopping centers.
The 2026 visitor schedule provides clear admission rates, but school holidays, animal care and temporary closures can change the experience. This guide explains how to reach the aquarium from Tokyo, what the main exhibits offer, and how to avoid using outdated hours and ticket prices.
Tokyo Sea Life Park 2026 tickets and opening times
- Hours: 9:30 a.m.–5 p.m.; final admission at 4 p.m.
- Regular closure: Wednesdays, usually shifting to the next day if Wednesday is a public holiday.
- New Year closure: 29 December–1 January.
- Adult admission: ¥700.
- Junior-high students: ¥250; under-65 adult visitors have the general rate.
- Age 65+: ¥350; primary-school children and younger enter free.
- Location: Kasai Rinkai Park, Edogawa City, Tokyo.
These are the official rates for the 2026–27 calendar from Tokyo Sea Life Park’s visitor information. Specific free-admission holidays and other exceptional closure dates are listed on the same page.
What to see inside the aquarium
The tuna and open-sea displays
One of the site’s most distinctive features is its large open-water tank and schooling fish, showing how marine species move together. The collection is curated for welfare and education; the exact animals present can change. Take time to read exhibition panels rather than rushing only toward the largest fish.
Penguins and coastal habitats
Outdoor seabird and penguin exhibits help visitors understand marine wildlife beyond reef fishes. Animal health, weather and maintenance can affect viewing availability. Follow staff instructions and never feed the animals or use flash in restricted areas.
Regional ecology and small species
Smaller displays explain marine ecosystems and conservation. The aquarium’s value lies in the mix of education and architecture, not an unverified promise of a fixed number of species. Interactive activities may temporarily close and should not be guaranteed from old photographs.
Getting to Kasai Rinkai Park
Take the JR Keiyo Line toward Kasai-Rinkaikoen Station, then follow the park paths to the aquarium. The station and aquarium are not inside Tokyo Disney Resort; that theme park sits farther east on the railway line. It is easy to combine aquarium time with a walk through the wider waterfront park, subject to weather and daylight.
For comparison, Sunshine Aquarium in Ikebukuro and Sumida Aquarium by Tokyo Skytree have different admission and operating models, and Hakkeijima Sea Paradise is a much larger complex in Yokohama.
How to plan a family visit
Allow two or three hours for the main exhibitions, with time for rest in the park. Book online if useful, but the official park also supports on-site entry on ordinary days. Families should consider crowds, mobility needs and stroller storage rules before traveling. An unusually busy free-admission date may not be ideal for visitors who want an unhurried experience.
Animal lovers can compare Ueno Zoo and Tokyo Sea Life Park for different wildlife themes; a day around Ueno Park also includes Tokyo National Museum and the National Museum of Western Art, but those are in another district.
A sensible Tokyo aquarium itinerary
Visit Kasai in the morning, picnic or stroll in the park if conditions permit, then return to central Tokyo. Additional cultural stops such as National Museum of Nature and Science, Tokyo Skytree or teamLab Planets require separate rail connections and tickets.
For other family-friendly options on a longer trip, explore Tokyo Disney Resort or the Miraikan science museum, both different attractions with their own entry rules.
Tokyo Bay experiences beyond aquariums
Families who enjoy the waterfront location could compare the different maritime routes of Tokyo water buses with the broader regional crossings of Tokyo Bay Ferry. For a view of engineering rather than fish habitats, the Tokyo Bay Aqua-Line is another regional landmark. These involve separate terminals, tickets and timetables; none is an included ride with an aquarium admission ticket.
FAQs
How much is Tokyo Sea Life Park in 2026?
General admission is ¥700; special age and eligibility discounts apply.
Is it closed every Wednesday?
Usually, with holiday exceptions. Check the official calendar for your date.
Is it the same as Sunshine Aquarium?
No, they are different venues in different parts of Tokyo.
Address and Google Maps
Kasai Rinkai Park, Edogawa-ku, Tokyo-to. Find Direction On Google Maps.