Underwater World is a wonderful place in Guam to see sea creatures and do water activities! This includes SeaTREK or Dive With The Sharks. It is located at Pale San Vitores Rd in Tumon and was built in 1999. It is managed by the United States Aquarium Team. It is also one of the biggest underwater tunnels in the world.

The aquarium has about 2,000 sea animals and 80 different species of them. Visitors will enjoy strolling through two floors. The first floor starts with a reptile and amphibian exhibit. A sea turtle can be found swimming in the giant tunnel as well as various species of sharks. Kids and adults will have fun exploring the animals and plants such as; grey stingrays, colorful fish, and natural coral.

The second floor has various different animals than the first floor. Here, there are some large and tiny jellyfish, coral, garden and moray eels, and more. Visitors who purchase the seaTREK or Dive With The Sharks experience gear up and enter the tank here. Then they get to swim around the tank with all these sea creatures!

Tickets cost $23 per adult, $12 for 3-11 years old, and kids under 3 are free. SeaTREK costs $89 and Diving With The Sharks is $199 per person. It is open on Friday, Saturday, and Sunday and is open at 10:00 a.m.- 4:00 p.m. They offer military discounts and annual memberships. Visitors to Underwater World are guaranteed to learn about being underwater and to have a great time!

The best stories from the Pacific, in your inbox

Sign up for our weekly newsletter of articles from Japan, Korea, Guam, and Okinawa with travel tips, restaurant reviews, recipes, community and event news, and more.

Sign Up Now