Osaka Aquarium Kaiyukan Complete Visitor Guide 2027: Whale Sharks, Osaka Bay and Tempozan Combo
2027-02-27 · อ่าน 9 นาที
Kaiyukan is one of the largest public aquariums in the world — eight stories tall, built around a 5,400-tonne Pacific Ocean tank with two 7-metre whale sharks, and still the only aquarium in Japan where the walkway spirals from the top down.
Osaka Aquarium Kaiyukan — opened in 1990 and still a top-5 global aquarium by annual visitors — is built around a 9-metre-deep central tank holding two Rhincodon typus whale sharks, with 15 Pacific-rim exhibits spiralling from the top floor down. The design means visitors see each tank from both surface and depths.
💡Last content review: November 2026
Ticket pricing, feeding times and Osaka Amazing Pass inclusion verified against Osaka Aquarium Kaiyukan official site and Osaka Convention Bureau 2026 report.
⚡🐙 Osaka fills up around USJ
USJ and big events keep Osaka busy all year. Book your hotel before you plan the rest of the trip, especially for weekends and holidays.
Quick facts: Kaiyukan 2027
| What | Detail | Book |
|---|---|---|
| Opened | 1990 | |
| Area | 8 floors, 5,400-ton Pacific tank | 🏨 Book |
| Opening hours | 10:00-20:00 (last entry 19:00) | |
| Adult ticket | ¥2,700 (dated time-slot online); ¥2,400 counter | 🏨 Book |
| Child (4-15) | ¥1,400 | 🏨 Book |
| Osaka Amazing Pass 1-day | ¥2,800 includes Kaiyukan + 40+ attractions | 🏨 Book |
| Nearest station | Osakako (Chuo Line) — 5 min walk via Tempozan Harbor Village | 🏨 Book |
How to get there
- ●From Namba — Chuo Line direct to Osakako 20 min ¥280
- ●From [Osaka](https://www.booking.com/searchresults.html?ss=Osaka&aid=8095781&label=auto-osaka-autolink&nflt=review_score%3D80&order=popularity) Station — Osaka Loop + Chuo Line transfer at Bentencho, 25 min ¥280
- ●From KIX airport — Haruka to Shin-Osaka + Loop + Chuo, 70 min ¥2,800
- ●From USJ — JR Yumesaki Line to Nishikujo + Chuo Line, 25 min ¥240
- ●Walking from Dotonbori — 40 min, scenic across Minato bridge
Osaka Bay hotels (Hyatt Regency, Art Hotel)
- ✓ Free cancellation on most rooms
- ✓ Compare 28M+ properties
- ✓ No booking fees
⏰ Lock in before prices rise — this week's rates may not hold
3 Osaka hotels for Namba, Umeda + USJ access
⏰ Osaka hotels peak during USJ Halloween, sakura, and festival weekends — book 2-3 months ahead
1. Conrad Osaka
Nakanoshima 40th-floor views across Osaka. 5-star service, Michelin restaurants, Mandarin + Korean concierge.
Book on Booking →2. The OSAKA STATION HOTEL, Autograph Collection
Directly inside Osaka Station — Shinkansen 2 min away, zero rain exposure. Marriott Bonvoy points earned.
Book on Agoda →3. Hotel Monterey Grasmere Osaka
Namba central mid-budget. Walkable to Dotonbori + Shinsaibashi shopping. Themed European-style rooms, consistent 4-star.
Book on Trip.com →Prices shown on each site. We earn a small commission if you book — at no cost to you.
Which ticket to buy
- ●Timed online [ticket](https://www.klook.com/en-US/search/?query=Japan&tp_sub=japan) (¥2,700) — book 30 days ahead, instant QR entry
- ●[Osaka](https://www.booking.com/searchresults.html?ss=Osaka&aid=8095781&label=auto-osaka-autolink&nflt=review_score%3D80&order=popularity) Amazing Pass (¥2,800) — includes Kaiyukan + 40+ Osaka attractions, best value if visiting Osaka Castle, Umeda Sky too
- ●Combo with Legoland Discovery Center — ¥4,100 bundled next door
- ●Night Aquarium (after 17:00 Jul-Aug) — ¥2,200, cheaper and uncrowded
- ●Group discount (10+) — ¥2,400 pre-booked
Kaiyukan + Osaka Amazing Pass bundles (Klook)
- ✓ Skip-the-line e-tickets
- ✓ Mobile voucher, no printing
- ✓ Free cancellation up to 24h
⏰ Mobile voucher instantly — skip the ticket line on arrival
What's inside — the spiral tour
- ●8F start — Japan Forest exhibit, otters, river biome
- ●7F — Antarctic penguin tank + Aleutian Islands sea lions
- ●6-4F — Pacific tank side views, whale sharks visible at every level
- ●5F — Monterey Bay + sea otter exhibit (feeding 14:00)
- ●3-2F — Great Barrier Reef, Jellyfish Gallery (new 2023), Antarctic penguin feeding
Kaiyukan + Tempozan Ferris Wheel + harbor cruise combos (Klook)
- ✓ Skip-the-line e-tickets
- ✓ Mobile voucher, no printing
- ✓ Free cancellation up to 24h
⏰ Mobile voucher instantly — skip the ticket line on arrival
Feeding times
- ●Whale shark feeding — 11:00 and 15:00 daily, 20-min show
- ●Sea otter feeding — 14:00 (5F, best photo spot)
- ●Penguin feeding (Antarctic) — 11:30 and 15:30
- ●Sea lion feeding — 12:00 and 16:00
- ●Jellyfish care — ongoing, free live demo
🎯Arrive at 10:00 or after 17:00
Kaiyukan opens at 10:00 — the first 90 minutes are near-empty and whale sharks are most active. Alternatively, enter after 17:00 (night rate kicks in) when school groups have left and night-time blue lighting dims the main tank for a cinematic view. Avoid 12:00-15:00 school/tour crowds.
What else at Tempozan Harbor Village
- ●Tempozan Giant Ferris Wheel — 112 m, ¥1,000, Osaka Bay sunset views
- ●Legoland Discovery Center [Osaka](https://www.booking.com/searchresults.html?ss=Osaka&aid=8095781&label=auto-osaka-autolink&nflt=review_score%3D80&order=popularity) — kids-focused Lego indoor park, ¥2,800
- ●Tempozan Marketplace — 60-shop mall, free, Osaka Bay-themed
- ●Captain Line ferry to USJ — 10 min across the bay, ¥700
- ●Nippon Maru historic sail ship — ¥500 tour, 1930s cadet training ship
Namba-area hotels (walkable to Dotonbori + easy Chuo Line to Kaiyukan)
- ✓ Free cancellation on most rooms
- ✓ Compare 28M+ properties
- ✓ No booking fees
⏰ Lock in before prices rise — this week's rates may not hold
💰Compare live hotel prices — Osaka Namba Bay
Price checkSame dates, same destination — platforms often differ by 10-25%. Opening all three in new tabs is the fastest way to spot the deal.
Affiliate links — we may earn a commission at no extra cost to you.
Bookable Kaiyukan experiences
- ●Kaiyukan + [Osaka](https://www.booking.com/searchresults.html?ss=Osaka&aid=8095781&label=auto-osaka-autolink&nflt=review_score%3D80&order=popularity) Amazing Pass + Umeda Sky combo — ¥4,500
- ●Kaiyukan + Tempozan Ferris Wheel + [Osaka](https://www.booking.com/searchresults.html?ss=Osaka&aid=8095781&label=auto-osaka-autolink&nflt=review_score%3D80&order=popularity) Bay dinner cruise — ¥9,500
- ●Kaiyukan + USJ 2-day package — ¥18,000 adult
- ●Private family [tour](https://www.klook.com/en-US/search/?query=Japan&tp_sub=japan) with marine biologist — ¥35,000 for 4 pax
Reserve Kaiyukan combo day tours (Klook)
- ✓ Skip-the-line e-tickets
- ✓ Mobile voucher, no printing
- ✓ Free cancellation up to 24h
⏰ Mobile voucher instantly — skip the ticket line on arrival
Japan eSIM — set it up before you fly
- ✓ Works instantly on arrival
- ✓ No SIM card swap
- ✓ Buy before you fly
⏰ Activate the moment you land — no more hunting for free airport Wi-Fi
Japan travel insurance — get covered before you fly
- ✓ Covers Japan medical + evacuation
- ✓ From $45/month flexible
- ✓ Cancel anytime
⏰ Japan doesn't accept most foreign health cards — one ER visit = your whole trip budget
Timed-entry slots fill up for Golden Week and summer break
- Timed-entry weekend slots capped at 4,000/90-min window — gone 3 weeks ahead in sakura week and Obon
- Night Aquarium summer evening slots sell out 1 week in advance
- Osaka Amazing Pass drops to ¥2,500 online 30 days ahead — counter price ¥2,800
Affiliate link — we may earn a commission at no extra cost to you.
FAQ
- ●Kaiyukan or Churaumi Okinawa? Churaumi has a bigger tank + Okinawa setting. Kaiyukan is more accessible from any big Japanese city.
- ●How long is a visit? 2-3 hours comfortable; 1.5 hours quick.
- ●Stroller/wheelchair? Fully accessible, elevators throughout.
- ●Can I touch sea creatures? Yes, dedicated touch tank on 2F.
- ●Photo rules? OK everywhere, no flash in main tank.
- ●Lockers? Yes, free lockers inside gate; coin lockers at Osakako station ¥400-800.
- ●Credit cards? All major cards + IC + QR.
- ●Food? Cafe inside + food court at Tempozan Marketplace.
- ●Pet-friendly? No — service dogs only.
- ●Open on New Year? Yes except Dec 31 closed early 16:00; Jan 1 open 10:00-20:00.
JR Pass — see if it pays off before you book
- ✓ 7, 14, 21-day pass options
- ✓ Activate within 1 year
- ✓ Free shipping worldwide
⏰ Must be bought BEFORE arrival — tourists only
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