
Descend below sea level to observe wild fish in their natural habitat through unique underwater windows. A 'reverse aquarium' experience!

Must-see attractions
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Best visibility for fish

Best visibility for fish

Must-see attractions
Descend below sea level to observe wild fish in their natural habitat through unique underwater windows. A 'reverse aquarium' experience!
"It's like scuba diving without getting wet! Highly recommend!"

Experience a 'reverse aquarium' where wild fish swim freely past underwater windows. No tanks, just nature!
If weather impacts visibility, you might get discounted tickets. Worth checking!

4.3 · 661 reviews
Tourist Attraction
Discover the most iconic attractions and experiences

Below sea level
Descend to the ocean floor and watch wild fish swim past in their natural environment. It's a unique, 'reverse aquarium' experience!

Above ground
Admire the distinctive architecture of the tower, a striking structure that complements the coastal landscape.

Surrounding area
Enjoy a scenic walk along the coast and relax on the nearby beach after your underwater exploration.
from TikTok, Instagram & Reddit
Experience a 'reverse aquarium' where wild fish swim freely past underwater windows. No tanks, just nature!
If weather impacts visibility, you might get discounted tickets. Worth checking!
Combine your visit with a beautiful walk along the coast and enjoy the surrounding beach.
Notice how currents affect plant life around different portholes. Fascinating contrast!
from all over the internet
Experience a 'reverse aquarium' where wild fish swim freely past underwater windows. No tanks, just nature!
If weather impacts visibility, you might get discounted tickets. Worth checking!
Combine your visit with a beautiful walk along the coast and enjoy the surrounding beach.
Notice how currents affect plant life around different portholes. Fascinating contrast!
Visitors rave about the unique 'reverse aquarium' concept, allowing observation of wild fish in their natural habitat. The architecture and surrounding coastal beauty are also highly praised. While weather can affect visibility, discounted tickets are sometimes available, making it a worthwhile experience for many.
"Beautiful observation platform surrounded by all kinds of fish! (Or a cool terrarium for fish to observe humans in a controlled environment). Great architecture too, and surrounded by a nice beach and coastal walk. Worth the detour!"
Aaron Muscat
"This place is awesome. I can’t recommend it enough. We went after a typhoon so visibility wasn’t great, but we did get discounted tickets for the reduced visibility."
Maegan Mahula
"I really enjoyed this place! I am the type of person who does not visit conventional aquariums as I believe it is cruel for the fish to be kept in tanks, however this place is like a reverse aquarium where you descend to the sea floor and observe the fish in their natural habitat. The fish are free to come and go as they please because they are all wild. It's like scuba diving without getting wet! It is highly recommend!"
Darren MacRae
The tower is located in Tosashimizu City, Kochi Prefecture. Access typically involves driving or taking local buses. Many visitors combine it with exploring the Ashizuri-Uwakai National Park. Check local transport schedules as they can be infrequent.
Yes, parking is generally available near the tower, which is convenient for visitors arriving by car.
Public transport options exist, primarily buses, but they may have limited schedules. It's advisable to check the latest bus routes and timings in advance.
Opening hours can vary seasonally. It's best to check the official website or local tourist information for the most up-to-date hours before your visit.
Admission fees apply. Prices can be found on their official website. Keep an eye out for potential discounts, especially during periods of lower visibility.
Advance booking is usually not required, but it's always a good idea to check their policy, especially during peak tourist seasons.
Yes, discounts are sometimes offered for reduced visibility due to weather conditions like typhoons.
You can see a variety of wild fish and marine life swimming past underwater windows. It's described as a 'reverse aquarium' where you observe fish in their natural habitat.
Absolutely! Many visitors appreciate that it's not a conventional aquarium, as the fish are wild and free to come and go, offering an ethical way to observe marine life.
You descend steps to reach the underwater viewing area. The architecture is also noted as a highlight.
Yes, you can observe fish of various sizes. The environment around the portholes can differ, with some areas showing more plant growth than others due to currents.
It's often compared to scuba diving without getting wet, providing an immersive view of the underwater world.
Be mindful of reflections on the glass. Try to shoot when the sun is not directly overhead to reduce glare. Capturing the movement of the fish can be challenging but rewarding.
Yes, photography is generally allowed. However, be respectful of other visitors and avoid using flash, which can disturb the marine life.
Focus on the fish swimming past the windows. Wide-angle shots can capture the scale of the underwater environment, while telephoto lenses can isolate interesting marine creatures.
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