Researched guide · Checked on Oct 19, 2026
Kasai, on Tokyo Bay in Edogawa Ward, is a family favorite: Kasai Rinkai Park, one of Tokyo’s largest parks, with a bird sanctuary and a Ferris wheel, Tokyo Sea Life Park’s penguins and tuna, a free zoo and free pony rides. It is a relaxing day by the water.
Quick answer
Getting there: Kasai Station (Tokyo Metro Tozai Line); Kasai-Rinkai Koen Station (JR Keiyo Line) for the park
Time needed: Half a day to a full day
Best time: Fine weather
Good for: Families, aquarium, parks, birds, animals
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Overview
| Getting there | Kasai Station (Tokyo Metro Tozai Line); Kasai-Rinkai Koen Station (JR Keiyo Line) for the park |
| Time needed | Half a day to a full day |
| Best time | Fine weather |
| Good for | Families, aquarium, parks, birds, animals |
Best Things to Do
Kasai Rinkai Park
About 778,000 square meters, one of Tokyo’s largest parks, with a wild bird sanctuary, a Ferris wheel, barbecue areas, walking trails and the two-story glass Crystal View observatory. A small train runs around the park. See our parks guide.
Tokyo Sea Life Park
An aquarium under a giant glass dome with over 600 species, known for its Pacific bluefin tuna and four kinds of penguins (Humboldt, southern rockhopper, fairy and king).
Edogawa Natural Zoo
In Gyosen Park, a free zoo with giant anteaters, owls, red pandas and Humboldt penguins.
Pony rides
Shinozaki Pony Land offers free pony rides and horse-drawn carriage rides; Nagisa Pony Land has free pony rides.
Food & Drink
- Barbecue areas in Kasai Rinkai Park.
- Bring a picnic for the park.
Best Restaurants in Kasai
Nadai Unatoto Nishi-Kasai Ekimae
Affordable eel rice bowls by Nishi-Kasai Station, with tables and tatami seating.
- Reservations: see details
Shopping
- Shopping is limited here: this is a day for parks and animals.
Where to Stay
Kasai is a short ride from central Tokyo on the Tozai Line, so any central base works. See Where to stay in Tokyo.
Getting There
- Kasai Station (Tokyo Metro Tozai Line) for the town; Kasai-Rinkai Koen Station (JR Keiyo Line) for the park.
- From Tokyo Station: Marunouchi Line to Otemachi, then the Tozai Line, about 35 minutes. From Shinjuku: JR Yamanote Line to Takadanobaba, then the Tozai Line, about 45 minutes.
- From the airports: about 1 hour by train or 40 minutes by limousine bus from Haneda; about 1 hour 45 minutes by train from Narita.
New to Tokyo trains? See Trains in Tokyo and How to use Suica.
Suggested Itinerary
- MorningTokyo Sea Life Park
- Walk
- LunchPicnic in Kasai Rinkai Park
- AfternoonFerris wheel, bird sanctuary or Crystal View
- Train/bus
- Edogawa Natural Zoo or pony rides
Travel Tips
- Check the aquarium’s hours and prices on its official site before you go.
- Pony rides and the zoo are free.
- Bring sun protection: much of the day is outdoors by the bay.
FAQ
What is there to do in Kasai?
Kasai Rinkai Park with a Ferris wheel and bird sanctuary, Tokyo Sea Life Park, a free zoo and free pony rides.
Which station is closest to Kasai Rinkai Park?
Kasai-Rinkai Koen Station on the JR Keiyo Line.
Is Kasai good for kids?
Yes: the aquarium, penguins, a free zoo, pony rides and big parks.
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Sources
Information comes from the official sources below (checked October 19, 2026). Hours and prices change, so please check before you go.
