Osaka Aquarium Kaiyukan is one of the top places to do in Osaka, where you can get an immersive marine tour through the Pacific Rim. This world-class aquarium in Osaka, Japan has massive tanks, including one with a majestic whale shark, plus otters, penguins, rays, and more across beautifully themed zones!
Whether you're traveling with kids or just love sea life, it's a must-visit. It’s located in Tempozan Harbor Village of Osaka’s bay area. Don’t worry about not being able to find Kaiyukan—just look for the giant Tempozan Ferris Wheel!
In this guide, you’ll find out what to see, expect, and know about Osaka Aquarium Kaiyukan, one of Japan’s most impressive aquariums!
What is the Osaka Aquarium Kaiyukan famous for? 🐠
Osaka Aquarium Kaiyukan is famous for its giant Pacific Ocean tank, home to a massive whale shark that steals the spotlight. What makes this aquarium in Osaka, Japan so special is how it takes you on a spiral journey from land to deep sea—you’re literally surrounded by ocean life as you walk. From adorable penguins to glowing jellyfish, it’s a fun, immersive experience that’s easily one of the coolest things to do in Osaka, whether you're with family, friends, or flying solo.
If you’re planning a visit, it’s worth booking your Osaka Aquarium Kaiyukan tickets in advance. It saves you time and lets you focus on the fun stuff—like spotting whale sharks or watching jellyfish float by. It’s one of those relaxed, easy-going to do in Osaka experiences that’s well worth adding to your itinerary.
Popular Displays at Osaka Aquarium Kaiyukan ✨
At Osaka Aquarium Kaiyukan, you’ll explore 15 stunning tanks, each representing a unique region of the Pacific Rim—from the icy waters of Antarctica to the vibrant reefs of the Great Barrier. It’s like taking a deep-sea tour around the world, all in one place!
Pacific Ocean
You’ll get to see a giant whale shark swimming peacefully with all kinds of sea creatures in the huge Pacific Ocean tank.
Fun fact: The whale shark is the largest fish in the world, and Kaiyukan is one of the few aquariums where you can see one up close!
Japan Forest
In the Japan Forest, you’ll spot playful small-clawed otters and other freshwater animals enjoying their cozy, forest-like home. It's a fun chance to see how these adorable creatures live and play in a space that feels just like the wild!
Antarctica
In the Antarctica zone, you’ll see different species of penguins moving around and living together in their cold, icy environment. It’s a quiet look at how they adapt to life in the freezing temperatures.
Tasman Sea
In the Tasman Sea zone, you’ll see Pacific white-sided dolphins showing off their natural energy as they swim and jump through the water. It’s a chance to observe their playful behavior up close.
Aqua Gate
The Aqua Gate tunnel makes you feel like you’re walking through the ocean, with fish swimming all around and above you. You’ll see schools of shimmering sardines and graceful rays swimming overhead—a peaceful and exciting way to start your underwater journey.
Floating Jelly Fish
In the Floating Jellyfish area, you’ll see jellyfish drifting through the water like they're dancing in slow motion. Their soft, glowing bodies make the entire space feel calm and a little magical—like a quiet, underwater light show.
Don't Miss Feeding Time at Osaka Aquarium Kaiyukan ✨
Observe the most exciting part of the day—feeding time!
Watch 12 species of marine animals and mammals chomp on lunch, a site usually only visible in the wild. This time of day can be especially crowded, so be prepared! You can check Osaka Aquarium Kaiyukan’s official website for updated feeding times.
Check out these markets near Osaka Aquarium Kaiyukan 🛍️
Tempozan Marketplace
Right next to Kaiyukan, you’ll find Tempozan Marketplace—a casual mall with around 10 restaurants, a food court, and plenty of spots to shop for souvenirs, clothes, and aquarium-themed gifts. It’s a convenient place to grab a bite or pick up something to remember your visit.
Hours:
Shops: 11am-8pm
Restaurants: 11am-9pm
Fast-Food restaurants: 11am-8pm
(Hours vary by store, and the mall closes on the same dates as Osaka Aquarium)
Naniwa Kuishinbo Yokocho
Naniwa Kuishinbo Yokocho is a retro-style food theme park inside Tempozan Marketplace, featuring around 20 restaurants that showcase classic Osaka dishes. From takoyaki to okonomiyaki, it’s a great place to try local favorites and get a taste of the city’s rich food culture.
Hours:
11am-8pm
How to get to Osaka Aquarium Kaiyukan
🚆 Bullet Train
Travel from the Shin-Osaka Station, changing lines to Osaka (Umeda) Station and then getting off at Namba (Shinsaibashi Station).
Duration: 30 minutes
🚉 Subway
Take the Chuo subway line to Osakako Station
The aquarium is also a 5-minute walk from Osakako Station of the Osaka City Subway Chuo Line.
🚌 Bus
From Osaka Station
Duration: 45 minutes
From Namba Station to Tempozan Stop
Duration: 40 minutes
⛴️ Ferry
Captain Line transfers people to and from Universal Studios Japan and Osaka Aquarium
Duration: 10 minutes
Price: 700 yen one way / 1300 yen round trip
Frequency: 1-2 ferries per hour
Osaka Aquarium Kaiyukan FAQs
How much time do you need at the Osaka Aquarium Kaiyukan?
Plan to spend at least 2 to 3 hours at the Osaka Aquarium Kaiyukan. That gives you enough time to enjoy the exhibits without rushing.
Do I need to buy Osaka Aquarium Kaiyukan tickets in advance?
It’s a good idea to buy your Osaka Aquarium Kaiyukan tickets in advance. You can purchase an e-ticket up until the aquarium opens on the day you visit. Buying ahead allows you to choose your entry date and time, helping you avoid long lines and plan your day more effectively.
Is the Osaka Aquarium Kaiyukan the biggest in the world?
Osaka Aquarium Kaiyukan isn’t the biggest in the world today, but it’s one of the largest and most popular. It was once the world’s largest when it opened in 1990 yetand remains the largest public aquarium in Japan. Its highlight—the massive Pacific Ocean tank with whale sharks—makes it a must to see.
What to do around the Osaka Aquarium Kaiyukan?
There’s plenty to do around the Osaka Aquarium Kaiyukan after your visit. You can tTake a ride on the Tempozan Giant Ferris Wheel, one of the tallest in Japan, for great views of Osaka Bay and the city. You can also hop on the Santa Maria cruise, a replica sailing ship that offers relaxing boat rides around the bay.
If you're traveling with kids, check out the nearby Legoland Discovery Center Osaka, where you’ll find fun indoor rides, LEGO-themed activities, and a mini city made from LEGO bricks.
Which aquarium is best in Japan?
If you’re looking for the best aquarium in Japan, Osaka Aquarium Kaiyukan is a top pick for many travelers. With its spiral layout, massive whale shark tank, and wide range of sea life, it offers a fun and immersive experience. While Okinawa’s Churaumi Aquarium and Nagoya’s aquarium are also impressive, Kaiyukan stands out for its easy access, family-friendly vibe, and unique design.
More Osaka guides for an epic trip
If you want to explore more attractions and things to do in Osaka, make sure to check out these blogs!
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