Sumida Aquarium Inside Tokyo Skytree Town: Tickets, Hours & Skytree Combo

Sumida Aquarium sits inside Tokyo Skytree Town itself, on the 5th and 6th floors of the West Yard next to the Solamachi shopping complex. That single fact changes how you should plan it: this is not a separate excursion, it’s the second half of a Skytree visit, reachable without stepping outside, and the best rainy-day pairing in this part of Tokyo.

Sumida Aquarium at a Glance (2026)

Location	Tokyo Skytree Town, West Yard 5F-6F (same complex as the tower and Solamachi)
Hours	Weekdays 10:00-20:00; weekends & holidays 9:00-21:00
Last entry	1 hour before closing
Admission	Adults (incl. university) 2,700 yen · high school 2,000 yen · elementary/middle 1,400 yen · ages 3+ 900 yen
Tickets	Entry e-ticket (skip the counter) or on-site
Time needed	60-90 minutes at a relaxed pace

Prices verified July 2026 against the official aquarium site. Note that admission rose on February 10, 2026 (adults are now 2,700 yen), so many older guides and blog posts quote out-of-date prices.

What Makes It Worth Your Time

Sumida Aquarium is a compact, design-forward urban aquarium rather than a mega-park, and its three headline exhibits carry the visit:

The penguin pool. Japan’s largest open indoor tank spans the two floors, home to more than 50 Magellanic penguins plus fur seals. Because the tank is open-topped and viewable from multiple levels, you watch the penguins torpedo around from above, below, and eye level. Feeding times are the moment to be there.

The jellyfish floor. Around 700 jellyfish across 14 species drift through darkened galleries, including the “Big Petri Dish” (Big Schale), an open bowl-style tank holding roughly 500 moon jellies that you look down into directly. It’s the most photographed corner of the aquarium for a reason.

Tokyo’s own islands. The Tokyo tank recreates the waters of the Ogasawara Islands, the far-flung island chain that is administratively part of Tokyo. It’s a quietly clever theme: you’re looking at Tokyo’s marine life while standing under Tokyo’s tallest tower. The Edorium’s kingyo (goldfish) galleries, with around 20 varieties, extend the Edo-Tokyo thread.

What Visitors Say

Rated 4.6 out of 5 from 114+ traveler reviews on GetYourGuide. The consistent themes: the jellyfish galleries and penguin feedings deliver, and the compact size is a feature if you treat it as a 60-90 minute stop rather than a full-day aquarium.

A place to chill after the long walks. Loved the jellyfish section. Do watch the penguins feeding time, it’s quite entertaining.

Good value for money, the jellyfish, penguins and seals are very cool to see.

I love aquariums and this one had beautiful jellyfish! It wasn’t super big but you could easily spend an hour.

Traveler reviews from the Sumida Aquarium entry ticket listing on GetYourGuide.

Combining the Aquarium with the Skytree Decks

This is the pairing the location was built for, and the order matters:

1. Clear morning: go up the Tembo Deck and Galleria first (visibility is best early, especially for Mount Fuji), then do the aquarium in the afternoon when haze rolls in.
2. Cloudy or rainy day: flip it, or skip the deck entirely and give the aquarium and Solamachi the day. The aquarium is fully indoors and the weekend 21:00 close makes it a good evening option too.
3. With kids: the aquarium’s 60-90 minute footprint is the right palate cleanser between the deck queues and a Solamachi dinner. Children under 3 enter free.

For tickets, book each attraction separately: the aquarium entry e-ticket and the Skytree admission ticket both deliver QR codes instantly, so you can decide the order on the day based on the weather. Weekday mornings need no advance booking for the aquarium; weekends and school holidays are worth locking in.

Practical Notes

• Access: direct connection from Tokyo Skytree Station (Tobu Skytree Line) and Oshiage Station (Hanzomon, Asakusa, Keisei lines). You never need to go outdoors.
• Re-entry: not permitted on a standard ticket, so eat at Solamachi before or after.
• Strollers: allowed, and the two-floor layout is elevator-connected; it’s one of central Tokyo’s easiest attractions with a baby.
• Crowds: weekday mornings are quietest; weekend afternoons are peak. The evening hour before closing is surprisingly calm and the jellyfish galleries are at their best in low light.
• Annual pass: priced at roughly two visits, worth it only for residents.

If you’re planning the wider area, our nearby attractions guide covers what else sits within a 15-minute walk of the tower, and the hotel guide covers staying next door.

And if your Japan route continues to Kansai: Sumida is the boutique urban aquarium, but the country’s heavyweight is Osaka Aquarium Kaiyukan, one of the largest aquariums in the world, built around a central Pacific tank with whale sharks. The two make a surprisingly good pair on a Tokyo-plus-Osaka itinerary.