Overview
Opened in 1990, Kaiyukan is one of the world's largest aquariums, themed around the Pacific Rim of Fire, with 14 huge tanks housing about 30,000 animals of 620 species. The central Pacific Ocean tank (9m deep, 5,400 tons) lets you observe whale sharks, manta rays, and tuna gliding through the water from multiple angles across 8 floors. The adjacent Tempozan Ferris Wheel (112.5m tall) offers panoramic views of Osaka Bay, making it a great combined visit. Admission JPY 2,700. A 5-minute walk from Osakako Station (Chuo Line).
💰 Tickets
Adults JPY 2,700-3,500, children JPY 1,400-1,800 (date-based pricing); it's busy enough that booking online ahead is practically essential.
🎟️ Check ticket prices →Opening Hours
10:00-20:00 (varies by season; last entry 19:00)
🚇 Getting there
5 minutes from Osakako Station Exit 1 (Chuo subway line).
⏱️ How long to visit
About 2-3 hours.
🌅 Best time to visit
Open roughly 10:00-20:00 (varies by season). Weekday mornings at opening or after 5pm are calmest. The whale-shark Pacific tank spirals from the top floor downward.
Travel Tips
Weekends are very crowded — weekday mornings are best. After sunset, enjoy the illuminated Tempozan Ferris Wheel as well.
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🇰🇷 Tips for Korean Travelers
Practical info for Korean travelers heading to Osaka, Japan from Seoul (ICN).
Korean Passport · Visa
Check visa rules for Japan on the Korean MOFA travel advisory site before flying — visa-free, visa-on-arrival or e-visa rules change often. Keep at least 6 months of passport validity.
Flight from Incheon (ICN)
Compare direct and connecting flights from Incheon (ICN) to Osaka on Skyscanner or Google Flights. Early-morning departures from Korea are usually the cheapest option.
KRW ↔ Local Currency
Check the live FX widget above for the latest KRW rate. Korean travel cards like Travel Wallet, Hana EZ and Toss FX offer free local ATM withdrawals and competitive rates.
Korean Community · Korean Food
Many cities have an active Korean community in Osaka with Korean restaurants, mini-marts, and Korean-speaking guides. Search Naver Cafe or KakaoTalk open chats for "Osaka 한인" before you go.
Attractions near Osaka Aquarium Kaiyukan
Tap a pin on the map to jump to that attraction.
Things to Do in Osaka
Dotonbori Glico Sign Photo
Snap the iconic Glico Running Man photo. Combine with a Dotonbori food crawl. Free
Universal Studios Japan
Harry Potter, Super Nintendo World and more. 1-day pass from about JPY 8,600
Shinsekai Kushikatsu Experience
Pick and eat kushikatsu (deep-fried skewers) in Osaka's Shinsekai district. JPY 1,500-3,000 per person