Osaka Aquarium Kaiyukan: Japan's Largest Aquarium | Must-Visit Marine World 2025

Let us tell you about a destination that simply blew our minds in Osaka! If you still do not know where to go, here are some of the best tips about some places to visit in Osaka: do not miss the Osaka Kaiyukan Aquarium. It's not a normal aquarium, this place is a beast of its kind!

Picture this - you're walking around a massive building with giant fish tanks, including one with an actual whale shark swimming right over your head! And unlike those tiny aquariums where you're done in 30 minutes, this place is huge. You can easily spend hours here. Our Japan Tour Packages include Osaka Aquarium Kaiyukan.

Osaka has plenty of fun things to do in Osaka for family vacations,bachelor/bachelorette parties, or even a solo trip. And the best part? You can touch some sea creatures in the touch pools! The jellyfish section is cool, like watching a natural light show.

Just a heads up - try to go early in the day. It gets crowded, but it's well worth it. The spiral walk down through various ocean zones is something else!

Highlights of Osaka Aquarium Kaiyukan

There are numerous aquariums across the globe, but Osaka Aquarium Kaiyukan has several reasons to stand out as follows:

1. It has one of the largest tanks globally, centrally hosting a whale shark.

2. The aquarium experience is so attractive that it lets the visitors traverse 15 diverse marine ecosystems.

3. More than 30,000 marine animals live here, including penguins, dolphins, and jellyfish.

4. The design of the aquarium makes it extremely accessible, providing fun for every age group.

5. This is considered one of Japan's best aquariums and comes highly recommended to tourists. People review it by placing it amongst the top lists in Osaka Aquarium Kaiyukan.

Suggested Read: Shitenno Ji Temple