Differences between the Marine Park and the World Heritage Area
In terms of marine protected areas, the Great Barrier Reef Marine Park and the Great Barrier Reef World Heritage Area remain the best known globally and the most comprehensively managed.
| Size (km2) |
Great Barrier Reef Marine Park |
Great Barrier Reef World Heritage Area |
|---|---|---|
| Landward (inner) boundary |
Low water mark, but excludes internal waters and various small exclusion areas (eg.ports) |
Low water mark on the mainland |
| Islands |
Includes only 70 Commonwealth Islands |
Includes all 1050 islands (including Commonwealth islands) |
| Tidal waters/tidal lands |
Not included along the coast and around Queensland-owned islands |
Included where they occur around islands |
| Date declared |
Progressively declared since 1975 |
1981 |
Today nearly 99% of the Great Barrier Reef World Heritage Area is within the multiple-use Great Barrier Reef Marine Park.
The remaining section falls under Queensland Government jurisdiction – this amounts to 3,600 km2 and includes most islands, ports and other internal state waters.
The Great Barrier Reef on a global perspective
Largest marine protected areas:
| Marine Protected Area |
Country |
Area (km2) |
|---|---|---|
| Cook Islands Marine Park |
Cook Islands |
1,065,000 |
| Coral Sea Commonwealth Marine Reserve |
Australia |
989,842 |
| Kermadec Benthic Protection Area |
New Zealand |
620,467 |
| Chagos Environment Preservation and Protection Zone |
British Indian Ocean Territory |
544,000 |
| Phoenix Islands Protected Area |
Kiribati |
408,250 |
| Papahānaumokuākea (North-western Hawaiian Islands) |
United States |
362,075 |
| Great Barrier Reef |
Australia |
348,000 |
Largest World Heritage areas:
| World Heritage Area |
Country |
Area (km2) |
|---|---|---|
| Phoenix Islands Protected Area |
Kiribati |
408,250 |
| Papahānaumokuākea (North-western Hawaiian Islands) |
United States |
362,075 |
| Great Barrier Reef |
Australia |
348,000 |
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Free Zoning Maps
If you're heading out on the water, don't forget your free Zoning Map so you know where you can go and what you can do.
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Whale of a time
The Great Barrier Reef is a hive of activity. If you're lucky enough to see a humpback whale from May to September, make sure you keep a safe distance.
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Important milestone
We're delighted to celebrate the 30th anniversary of the Great Barrier Reef Marine Park's World Heritage listing.
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Visit the Reef
Visit our Great Barrier Reef and discover its amazing plants, animals and habitats. There are a range of tourism experiences on offer.
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What you can do
Everyone has a role to play in protecting our Great Barrier Reef. Find out what you can do to help protect this Great Australian icon.
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Report marine strandings
If you see sick, dead or stranded marine animals please call RSPCA QLD 1300 ANIMAL
(1300 264 625) -
Climate Change and the Great Barrier Reef
A Vulnerability Assessment: of the issues that could have far-reaching consequences for the Great Barrier Reef.
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Current Conditions
Current Conditions: Environmental and climatic forecasts for the Great Barrier Reef

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