The aquarium features 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 one of only four dugongs on display in the world, sharks, stingrays, penguins, and tropical fish, among others.

The aquarium is located on the eastern (city) side of Darling Harbour to the north of the Pyrmont Bridge.

[citation needed] The final exhibit is a reef theatre, where activity in a coral canyon can be observed through a window 7 by 4 metres (23 by 13 ft) and 26 centimetres (10 in) in thickness.

On 20 December 2007 a glass-bottomed boat began operating, giving visitors a tour of the Great Barrier Reef tank.

[4][5] The SEA LIFE Sydney Aquarium has distinctly Australian themes and exhibits, which take visitors through the continent's waterways and marine ecosystems.

Dugong Island and Shark Valley comprise two massive oceanariums, amongst the largest in the world, and have underwater tunnels allowing visitors to examine marine life at close quarters.

Other projects include the effects of heavy metal contamination in marine environments and fish tag longevity on rays, endangered seahorse breeding program, consisting of 'seahorse hotels',[6] and other local and global conservation projects The aquarium also shares conservation information to visitors through its program ″Breed, Rescue, Protect″.