Osaka Aquarium Kaiyukan is one of the coolest aquariums in Japan! Located near Osaka Bay, this amazing place lets you explore the ocean without getting wet.
You’ll see all kinds of sea creatures, from playful otters to a giant whale shark.
It’s perfect for families, kids, and anyone who loves the ocean.

I heard it’s one of the largest aquariums in the world!」
What to See at Kaiyukan
The Big Tank

Kaiyukan’s main attraction is a huge tank that shows life in the Pacific Ocean. The star of the tank is the whale shark, the biggest fish in the world!
You can watch it swim gracefully alongside other fish, rays, and sharks.

Cute and Fun Animals
In other parts of the aquarium, you’ll meet adorable penguins waddling around, playful sea otters floating on their backs, and mesmerizing jellyfish that glow softly in the dark.
Each exhibit is designed to make you feel like you’re stepping into the animals’ natural homes, offering an up-close and magical experience.
Japanese Forest Exhibit

This exhibit recreates the lush greenery and cascading waterfalls of Japan’s forest habitats, featuring animals like otters and other native species.
The calming atmosphere offers a break from the busy aquarium paths.
Information
Opening Hours
Kaiyukan is open from 10:00 AM to 8:00 PM, but the hours might change depending on the season. Make sure to check the schedule on their official website before you go.
Ticket Prices
Ticket prices vary based on the day and time. To save time, buy your tickets online before your visit.
How to Get There
It’s easy to reach Kaiyukan! Take the Osaka Metro Chuo Line to Osakako Station, and the aquarium is just a 5-minute walk from there.
For an even more unique way to arrive, you can take a shuttle boat from Universal Studios Japan. The Captain Line shuttle boat departs from Universal City Port and takes just 10 minutes to reach the Kaiyukan West Pier. From there, it’s a quick walk to the aquarium.
For more details, visit the Captain Line official website.
Fun Things Nearby
Tempozan Ferris Wheel
After visiting the aquarium, you can ride the Tempozan Ferris Wheel nearby. It’s a giant Ferris wheel with incredible views of Osaka Bay.

Plan Your Trip
Osaka Aquarium Kaiyukan is one of the best places to learn about sea life while having a great time. Don’t forget to visit their official website for tickets and updates.
Why You’ll Love Kaiyukan
Kaiyukan is a place where you can have fun, learn about the ocean, and see amazing animals up close. Whether it’s the giant whale shark or the playful otters, you’ll make unforgettable memories here.
FAQ
You’ll need about 2 hours to fully enjoy the aquarium.
No selfie sticks or tripods for photos.
No smoking, eating, or drinking inside the aquarium.
Kaiyukan is not the largest, but it’s the second-largest aquarium in Japan! Explore other amazing aquariums here.
No, Kaiyukan does not have dolphin or sea lion shows. Instead, the aquarium focuses on letting visitors see the animals in an environment that’s closer to their natural habitats. This makes Kaiyukan special for enjoying animals in a more natural way!
Name | Osaka Aquarium Kaiyukan |
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Address | 1-1-10 Kaigandori, Minato-ku, Osaka, Japan |
Access |
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Hours | 10:00 AM – 8:00 PM (Last entry at 7:00 PM) |
Admission | Adults: ¥2,700 / Children (4-15): ¥1,400 |
Social Media | |
URL | Official Website |
Map | Google Maps |