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What is the biggest aquarium in Australia?

July 26, 2025 by MySydneyDetour Leave a Comment

By MySydneyDetour • Updated July 24, 2025

Australia is home to some of the most beautiful and diverse marine life in the world. With over 11,000 beaches and a coastline that stretches for more than 25,000 kilometers, it’s no wonder that Australia has some of the largest and most impressive aquariums in the world. If you’re wondering what the biggest aquarium in Australia is, then you’ve come to the right place.

Table of Contents

  • The Biggest Aquarium in Australia: SEA LIFE Sydney Aquarium
  • Other Impressive Aquariums in Australia

The Biggest Aquarium in Australia: SEA LIFE Sydney Aquarium

SEA LIFE Sydney Aquarium

SEA LIFE Sydney Aquarium is the biggest aquarium in Australia, located in the heart of Sydney’s Darling Harbour. This world-class aquarium is home to over 13,000 marine animals from over 700 different species, making it one of the largest and most diverse aquariums in the world.

The aquarium is divided into several different zones, each showcasing a different aspect of Australia’s marine life. Visitors can explore the Great Barrier Reef exhibit, which features a stunning display of colorful coral and tropical fish, or check out the Shark Walk, where you can walk through a glass tunnel surrounded by sharks and other predatory fish.

Other highlights of the aquarium include the Penguin Expedition, where visitors can take a boat ride through a sub-Antarctic environment and get up close and personal with a colony of adorable penguins, and the Dugong Island, where you can see these gentle giants up close and learn about their conservation.

Other Impressive Aquariums in Australia

Melbourne Aquarium

While SEA LIFE Sydney Aquarium is the biggest aquarium in Australia, it’s not the only impressive aquarium in the country. Here are a few other aquariums worth checking out:

Melbourne Aquarium: Located in the heart of Melbourne, this aquarium is home to over 10,000 marine animals from over 400 different species. Highlights include the 2.2 million-liter Oceanarium, which is home to sharks, rays, and other large fish, and the Penguin Playground, where visitors can watch these playful birds swim and play.


AQWA: Located in Perth, Western Australia, AQWA is home to over 40 exhibits showcasing the marine life of Western Australia. Highlights include the Shipwreck Coast exhibit, which features a replica of a shipwreck and the creatures that call it home, and the Coral Reef exhibit, which showcases the stunning coral formations and colorful fish of Western Australia’s reefs.
Reef HQ Aquarium: Located in Townsville, Queensland, Reef HQ Aquarium is the largest living coral reef aquarium in the

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