Reef HQ

Reef HQ is the world's largest living coral reef aquarium. It is located in Townsville, Queensland, Australia. The aquarium was built as a Bicentennial Commemorative project and is a part of the Great Barrier Reef Marine Park Authority. The Coral Reef Exhibit has 130 coral species and 120 fish species along with hundreds of species of sea stars, sea urchins, sea cucumbers, brittle stars, feather stars, snails, worms and sponges.

Reef HQ closed in 2021 and a new aquarium is expected to open at the site in 2026.