Underworld Tumon Guam Bay

Tripadvisor (560) · Aquarium in Tumon, Guam
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Home of thousands of aquatic species, including Sharks, Rays, Turtles & Giant groupers, Underwater World offers an experience like no other! You can walk …

Reviews

Tripadvisor
4.0/5 · 560 reviews
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Oct 5, 2024
It's a nice little aquarium. I was expecting more, especially for the price but it was fun. I did the Sea Trek underwater adventure which was a lot of fun. All the people there were great. The guys t… Full review by Chuck V
Apr 6, 2024
Not good after the typhoon. Low fish population, and the whole aquarium is quite small. If you have kids keep in mind there is an escalator you must take with no elevator (no strollers). Full review by WasHereTraveling
Jun 12, 2023
i am sure this is a wonderful aquarium, but it was closed when i got there due to typhoon damage. if you plan on going, i strongly suggest that you inquire as to whether they are actually open or n… Full review by Gary L

Questions & answers

Q:
what is the total volume of the seawater held in the system?
A:
We have 800,000 gallons of salt water in our main tank Thank you, Jayna M
Q:
how much is the entrance fee
A:
23 us dollars
A:
Answer by Charles D · Feb 12, 2019
Q:
How much is the entrance fee per person?
A:
$23 per adult and $12 for children 3-11 years old.
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