Coral Reefs

Treasures of the Sea

Coral reefs are home to 25 percent of all marine species.

The whimsical names of corals—bubble, staghorn, starburst and brain—hint at their spectacular appearance, but not necessarily at their true value. As the largest living structures on the planet, coral reefs are also among the greatest storehouses of biodiversity on Earth.

Coral reefs are also one of the most threatened marine systems. Scientists estimate that unless we take immediate action, we could lose up to 70 percent of coral reefs by 2050.

Our Work to Protect Coral Reefs

The Nature Conservancy is dedicated to protecting these vital ecosystems and all the corals, fish and people that depend on them. Our coral reef projects around the world ensure:

 You can help us protect coral reefs and Adopt a Reef today.

The Coral Triangle

We're working to protect the world's epicenter of coral reef biodiversity.

Florida Keys

Underwater nurseries are helping revive degraded reefs.

Mesoamerican Reef

Protecting the Western Hemisphere's largest barrier reef.

Coral Reef Quiz

Can you get a perfect score? Test your knowledge of coral reefs!

10 Ways to Help

Learn some simple, effective actions you can take to help save coral reefs.

Send an Ecard

Share your love of coral reefs with someone special!

Explore Coral Reefs


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Adopt a Coral Reef

You can help protect the world's most beautiful and diverse places. Adopt a Coral Reef today.

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