The Great Barrier Reef is the world's largest coral reef system, comprising over 2,900 individual reefs and 900 islands. It is a symbol of marine biodiversity and ecological health and has significant cultural importance to the Aboriginal and Torres Strait Islander peoples.
Great Barrier Reef
Queensland, Australia
Designated in 1975
Natural site
N/A
coral polyps and limestone
344,400 square kilometers
Varies across the reef; some areas are well-preserved, while others are affected by coral bleaching and environmental stress
Extensive coral formations
Diverse marine life including over 1,500 species of fish
Seagrass beds and mangrove forests
Clear, turquoise waters
Naturally formed
A natural ecosystem providing habitat for a vast array of marine life
Marine park, tourist attraction, site for scientific research, and cultural significance for Indigenous peoples
Yes