Countries with Coral Reefs 2025

Indonesia

Although there are over 100 different coral reefs throughout the world’s oceans, Indonesia is home to the largest. In total, there is 51,000 sq km of coral reefs surrounding Indonesia. This number makes up nearly 18% of the world’s reefs. The warm tropical water combined with the ideal current and water movement makes for a perfect reef location. Some of the most diverse and colorful corals are found in the waters around Indonesia.

Australia

Known as the home of the Great Barrier Reef, Australia has the second-largest coral reef globally. Australian coral reefs take up a whopping 48,960 sq km and account for 17% of the world’s total coral reefs. The Great Barrier Reef is found on the eastern Australian coast and is home to a diversity of wildlife, including invertebrates, fish, and corals. The Great Barrier Reef is so large it can be viewed from space.

Philippines

The third-largest coral reefs by area can be found in the Philippines. Totaling 8% of the world’s reef at over 25,000 sq km, this country is home to diverse fish and coral life found on the reef. The warm tropical waters combined with continuous current and water movement make for some of the best reefs in the world.

France

Although the French mainland does not have any famous coral reefs, several French colonies and territories have access to beautiful coral reefs worldwide. France owns 5% of the world’s reefs, measuring 14,000 sq km. The coral reefs are mainly found in warm waters in tropical areas, including Guadeloupe, Martinique, New Caledonia, Clipperton, Mayotte, French Polynesia, and Wallis and Futuna Islands.

Fiji

A tropical destination and bucket list location for many people, Fiji is home to 3.5% of the world’s coral reefs. Measuring just under 14,000 sq km, Fiji has prized reefs notable for snorkelers and scuba divers alike. Fiji’s corals are expansive and display some of the greatest diversity in coral reefs around the world. Several fish and inverts call these coral reefs home.

Maldives

Famous for its diving and beach prowess, it should come as no surprise that the Maldives is home to some of the world’s most diverse and most extensive coral reefs. A total of 3.14% of the world’s reefs are found in the Maldives, measuring just under 9,000 sq km. Many of these reefs are located just offshore, close to stunning white sand beaches that attract countless visitors and tourists every year.

Saudi Arabia

With access to the Arabian Sea, Saudi Arabia is home to some stunning coral reefs. This country has 6,660 sq km of coral reefs that make up 2.34% of the world’s total reefs. Several specials of fish can only be found in this part of the world, and they call the coral reefs their home.