SEA LIFE Sydney Aquarium (formerly Sydney Aquarium) contains a large variety of Australian aquatic life, displaying more than 700 species comprising more than 13,000 individual fish and other sea and water creatures from most of Australia's water habitats. Additionally, the aquarium features 14 themed zones including Jurassic Seas, Discovery Rockpool, Shark Walk, and the world’s largest Great Barrier Reef display. Along the way, visitors encounter animals unique to each habitat, including two of only five dugongs on display in the world, sharks, stingrays, penguins and tropical fish, among others.

It is a public aquarium located in the city of Sydney, New South Wales, Australia. It is located on the eastern (city) side of Darling Harbour to the north of the Pyrmont Bridge. It is a full institutional member of the Zoo and Aquarium Association (ZAA) and the World Association of Zoos and Aquariums (WAZA).