It featured sharks, giant stingrays, sea turtles, little penguins and other marine life.

[4] In February 2008, Village Roadshow Theme Parks acquired the Sydney Attractions Group.

[5] In December 2010, Merlin Entertainments acquired the Sydney Attractions Group division of Village Roadshow Theme Parks.

[6] On 28 June 2012, the attraction officially relaunched as Manly Sea Life Sanctuary following a renovation which saw the addition of the Penguin Cove exhibit.

[8][9] In December 2023, the council announced that the old aquarium would be demolished to make way for the upgrade of Manly Cove West.