Japan is home to some of the world’s most impressive aquariums, offering massive tanks, rare marine life, and immersive exhibits.
Whether you love sea creatures or are planning a fun day out with family, these are the 10 largest and most popular aquariums in Japan.
Let’s count down from 10 to 1.
- 10 Kasai Rinkai Aquarium (Tokyo)
- 9 Aquamarine Fukushima (Fukushima)
- 8 Hakkeijima Sea Paradise (Kanagawa)
- 7 Okinawa Churaumi Aquarium (Okinawa)
- 6 Aqua World Ibaraki Prefectural Oarai Aquarium (Ibaraki)
- 5 Marine World Uminonakamichi (Fukuoka)
- 4 Kamogawa Sea World (Chiba)
- 3 Toba Aquarium (Mie)
- 2 Osaka Aquarium Kaiyukan (Osaka)
- 1 Nagoya Port Aquarium (Aichi)
10 Kasai Rinkai Aquarium (Tokyo)
Located on Tokyo Bay, Kasai Rinkai Aquarium is best known for its large penguin enclosure and impressive tuna tank.
Surrounded by a spacious park, it’s an easy and relaxing destination for families and nature lovers.
Official Site: Kasai Rinkai Aquarium
9 Aquamarine Fukushima (Fukushima)
This unique aquarium focuses on the marine ecosystems of the Pacific Ocean and nearby rivers.
Its signature attraction is the triangular tunnel tank, where visitors can walk through a lifelike underwater environment.
Official Site: Aquamarine Fukushima
8 Hakkeijima Sea Paradise (Kanagawa)
Hakkeijima Sea Paradise combines a large aquarium with an amusement park.
In addition to extensive exhibits, visitors can enjoy dolphin and sea lion shows, as well as hands-on marine experiences.
Official Site: Hakkeijima Sea Paradise
7 Okinawa Churaumi Aquarium (Okinawa)
Famous for its enormous Kuroshio Tank, Okinawa Churaumi Aquarium is home to whale sharks, manta rays, and vibrant coral reefs.
It’s one of Okinawa’s most iconic attractions and a must-visit if you’re in the region.
Official Site: Okinawa Churaumi Aquarium
6 Aqua World Ibaraki Prefectural Oarai Aquarium (Ibaraki)
This family-friendly aquarium is especially known for its shark exhibits.
Large jellyfish tanks and interactive displays make it popular with visitors of all ages.
Official Site: Aqua World Oarai Aquarium
5 Marine World Uminonakamichi (Fukuoka)
Located in Kyushu, Marine World features open-air dolphin and seal shows with Hakata Bay as a backdrop.
The exhibits focus on the marine life of Kyushu and surrounding waters.
Official Site: Marine World Uminonakamichi
4 Kamogawa Sea World (Chiba)
Kamogawa Sea World is famous for its powerful killer whale performances.
With large tanks and well-designed viewing areas, it offers an exciting experience for animal lovers.
Official Site: Kamogawa Sea World
3 Toba Aquarium (Mie)
One of the largest aquariums in Japan, Toba Aquarium houses over 30,000 animals.
Rare species such as dugongs, along with diverse coral reef exhibits, make it stand out.
Official Site: Toba Aquarium
2 Osaka Aquarium Kaiyukan (Osaka)
Kaiyukan is world-renowned for its massive central tank featuring a whale shark.
Its multi-level layout guides visitors through different ocean environments from around the world.
＼ Visiting Osaka Aquarium Kaiyukan? ／
Skip the ticket line
Official Site: Osaka Aquarium Kaiyukan
1 Nagoya Port Aquarium (Aichi)
Taking the top spot, Nagoya Port Aquarium features cutting-edge technology and expansive tanks.
Highlights include beluga whales, killer whales, and large-scale deep-sea ecosystem exhibits.
Its educational focus and spacious design make it enjoyable for all ages.
Official Site: Nagoya Port Aquarium
