No matter your age, there’s something so magical about observing beautiful sea creatures in their element. Head over to the Georgia Aquarium in Atlanta, GA, and you’ll find yourself inside the most massive attraction of its kind in the United States. This was once the largest aquarium in the world, and while several in Asia have since been constructed that have surpassed it in size, it’s still the biggest aquarium in the U.S. Whether you love conservation and the science behind keeping these impressive creatures alive in captivity or you are just a fan of seeing beautiful sea creatures, a trip to this destination is all kinds of fascinating. It’s certainly easy to see why it’s one of our most-visited attractions in Georgia!

How many square feet is the Georgia Aquarium? This magical place boasts more than 550,000 square feet of exhibits to explore. It is the prime destination for all things sea-related, and it's no wonder people come from all over the world to check this place out.
Georgia Aquarium/Facebook
From the smaller creatures here, like this piranha we captured on a recent visit, to the huge whale sharks, there's something to entertain kids of all ages, and adults too.
Lisa Sammons/OnlyInYourState
This is one of the best family attractions in the Peach State.
While the huge creatures like the belugas and the whale sharks tend to get a lot of notice, we love the simplicity of the jellyfish on display.
Lisa Sammons/OnlyInYourState
They make for such striking photographs!

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Step inside this otherworldly landmark and you'll observe over 100,000 animals up close and personal. Visitors of all ages are in for a fascinating and educational experience.
Georgia Aquarium/Facebook
How big is the Georgia Aquarium? Well, in addition to its big physical size, the aquarium is also renowned for its ability to host rare and unique creatures of massive size. This is the only facility in the United States to house the mighty whale shark. Another rare species here is the beautiful beluga whale.
Georgia Aquarium/Facebook
This is one of the most popular attractions in the state but even so, you won't have much trouble finding a quiet corner to tuck away and admire the magical creatures that live here as they swim by.
Georgia Aquarium/Facebook
The biggest aquarium in the U.S. is certainly worth a visit next time you're on a trip to Atlanta.
Lisa Sammons/OnlyInYourState

Not able to make it to the Georgia Aquarium in Atlanta right now? Check out this great live stream from the Ocean Voyager habitat that the Georgia Aquarium YouTube account has up – it’s so relaxing!

For more information about the Georgia Aquarium, check out the Georgia Aquarium Facebook page or the Georgia Aquarium website.

There’s so much to do in our state’s capital! Check out the great Viator experiences in Atlanta.

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Biggest Aquarium In the U.S.

Lisa Sammons | December 10, 2023

What is the largest aquarium in the world?

While the Georgia Aquarium is the biggest aquarium in the U.S., it's the fourth-largest aquarium in the world. The Chimelong Ocean Kingdom in Hengqin, China is a 12.9 million-gallon aquarium and theme park.

How big is the Georgia Aquarium?

In all, the Georgia Aquarium spans more than 600,000 square feet! It holds 11 million gallons of water, with both saltwater and freshwater tanks on display.

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Featured Addresses
Georgia Aquarium, 225 Baker St NW, Atlanta, GA 30313, USA