Underwater Ocbservatory and Glassboat

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Special Features of the Underwater Observatory

Inside the underwater observatory, you can enjoy the beautiful world of Okinawa’s sea with your clothes on. If you are one who has given up visiting Okinawa’s sea due to bad weather, why don’t you come to visit this underwater observatory, where you can enjoy peering into the sea at ease even on rainy days?

From the windows on the observatory floor 5m below the ocean surface, you can gaze out at the sea bottom covered with a coral reef around which brilliantly colored tropical fish and other fish swarm! The 24 window panes afford a 360 degree view, so you can even follow your favorite fish all the way around!?

Appearance in the the underwater observatory

View of the underwater observatory

  • Clownfish(Amphiprion ocellais)

    The Clownfish gained great instantaneous popularity as an animated film character! The male is fond of taking care of others, and he always cleans his partner’s eggs and their nest.

  • Zebra Angelfish(Pomacanthussemicirculatus)

    Sometimes human parents and children resemble each other like two peas in a pod, but angelfish look nothing at all like each other. When they reach adulthood, their body patterns change dramatically.

  • Abudefduf(Abudefduf vaigiensis)

    This fish is often mistaken for the “Six-stripe Sparrow Sea Bream” (Rokusen Suzume-Dai), causing fish watchers some confusion. Remember it by the pattern on its back!

  • Yellow-brown Wrasse(Thaiassoma lutescens)

    This is a brightly colored fish that looks good in a coral sea. It is a very lively fish that has an intense curiosity and a big appetite.

  • Hawaiian OrnateButterfly Fish(Chelmon rostratus)

    This fish feeds on the soft parts of coral, so it can only live in parts of the sea where there are coral reefs.

  • Moorish Idol(Zanclus comutus)

    This fish uses its pointed mouth to suck prey to eat out of the crevises between coral reefs and boulders.

  • Red Goatfish(Mulloidichthysflavolineatus)

    This is a fish that adapts well to its environment, even changing colors to fit its surroundings.

The islands of Okinawa are located in the tropical and subtropical climate zones. One of the unique features of the tropical and subtropical sea areas is the high level clarity of the water, and this is also where coral reefs proliferate, along with numerous other living organisms. The fish who live there have adapted themselves in various ways to be able to live in this environment. They are typified by slender bodies that allow them to slip easily through the narrow crevasses between the coral reefs, and many of them are also very colorful.

Operation hours

■Apr – Oct 9:00 ~18:00
*Last admission 17:30
■Nov – Mar 9:00 ~ 17:30
*Last admission 17:00
* Once you have exited you are not allow to re-enter.


■Underwater observatory
・4yrs old to junior high school
530 JPY
Group admission: A 10% discount is available for groups of 10 and more.
■Combination ticket

(Underwater observatory & glass bottom boat)

・4yrs old to junior high school
1050 JPY
Group admission: A 10% discount is available for groups of 10 and more.

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