Discover what lies beneath
Experience Aquarium of Guam, one of the island’s top Guam attractions and one of the best things to do in Guam. Journey through extraordinary aquatic habitats, encounter incredible marine life in Guam, and explore the living waters that shape our island. Home to Guam’s Longest Underwater Tunnel—one of the world’s longest aquarium tunnels and an unforgettable underwater tunnel Guam experience.
Start Your JourneyWhy visit?
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Explore the zones
Choose a zone to jump straight to it.
Rays Zone & Touch Tank
Your adventure starts here.
Come face-to-face with graceful rays and experience one of the aquarium’s most memorable encounters. Watch these remarkable animals glide effortlessly through the water and enjoy the opportunity to connect with marine life in a way few people ever do.
Few experiences bring you closer to marine life than this.
Rainforest Zone
Every river begins somewhere.
Step into a world inspired by Guam’s freshwater habitats and discover the forests, streams and wildlife that help sustain life across the island. Explore the natural systems that connect land and sea while encountering some of Guam’s lesser-known aquatic environments.
Every coral reef, mangrove forest and lagoon begins with water flowing from the land.
The Waterline Lookout
Perched at the edge of the aquarium’s largest habitat, the Waterline Lookout offers a unique perspective on the Aquarium of Guam.
Tiered seating descends towards an acrylic viewing wall that spans above and below the main tank waterline. Above, the main tank’s surface. Below, fish move through the water while visitors pass through the tunnel beneath. It’s one of the few places in the aquarium where you can simultaneously experience life above and below the water.
Some of the best discoveries happen when you stop and watch.
A great place to pause, look around and capture the moment.
Mangrove Habitat Zone
Where land meets sea.
Explore one of Guam’s most important ecosystems and discover the tangled roots, sheltered waterways and hidden wildlife that thrive within these coastal habitats. Wander through a world where young fish find protection, coastal waters are filtered and nature creates the foundations for life beyond the shoreline.
Some of the ocean’s most important stories begin in the mangroves.
Seagrass Habitat Zone
Some of the ocean’s most important habitats are among its least known.
Explore underwater meadows that provide food, shelter and nursery grounds for countless marine species. These calm coastal environments are filled with fascinating creatures that rely on camouflage, patience and adaptation to survive.
How many animals can you spot before they spot you?
Coral Reef Habitat Zone
Brilliant colours. Extraordinary diversity. Endless discovery.
Guam’s coral reefs are among the island’s greatest natural treasures. Discover the vibrant marine life Guam is famous for through spectacular coral reefs, tropical fish and thriving underwater ecosystems. Every visit reveals something new.
Colourful, vibrant and full of life — this is the reef at its very best.
Children’s Interactive Play Zone
One of the most engaging indoor activities in Guam for families and young explorers.
This interactive space combines imagination, creativity and discovery through hands-on digital experiences that bring marine life to life in exciting new ways.
A place where creativity and curiosity come together.
Cute Little Critters
Not every marine superstar is a shark.
Meet some of Aquarium of Guam’s most colourful and charismatic marine residents, including clownfish and a collection of fascinating reef species that prove big personalities often come in very small packages.
These are often the animals visitors remember most.
Wave Break Tank
Experience the force that shapes island coastlines.
This dynamic exhibit recreates the movement and energy of waves crashing onto a reef, revealing how coral ecosystems help absorb ocean energy and protect coastal communities.
See the forces that shape Guam’s coastline every single day.
Undersea Tunnel
Experience Guam’s Longest Underwater Tunnel—one of the most iconic things to do in Guam and a must-see Guam attraction.
Step inside a spectacular underwater world where sharks, eagle rays, sea turtles and vast schools of fish glide overhead and all around you. Immersive, breathtaking and unlike anything most people have ever experienced, the tunnel places you right in the heart of the ocean.
Look up. The ocean is all around you.
Jellyfish Gallery
Elegant. Mesmerising. Unforgettable.
Watch graceful jellyfish drift through beautifully illuminated displays and discover the surprising beauty of life in the open ocean. Calm, surreal and captivating, this gallery offers a moment of quiet wonder within your journey.
Mesmerising movement. Extraordinary simplicity. Pure wonder.
Main Ocean Viewing Space
Complete your visit to Aquarium of Guam beside a spectacular panoramic viewing window overlooking the aquarium’s largest habitat.
Sit back and watch sharks, rays, turtles and schooling fish move effortlessly through a living Pacific seascape. This is your opportunity to take in the full scale and beauty of Guam’s living waters.
The perfect finale to an unforgettable journey.
More than an aquarium
It is a place where residents and visitors can explore the aquatic environments that shape the island, encounter remarkable wildlife, share experiences with family and friends and gain a deeper appreciation for the natural world around them.
It is a place of discovery, wonder and connection.
A place where children can experience their first encounter with marine life.
A place where families can create lasting memories together.
A place where curiosity is rewarded and every visit reveals something new.
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