Does tourism depend strongly on Coral reefs?

15 of the 172 countries in Geo Atlas answer yes to the question “Does tourism depend strongly on Coral reefs?”. They are spread across 4 continents, mostly Oceania (5). The largest is Australia (7,692,024 km²) and the smallest Vanuatu (12,189 km²). The most populous is Indonesia with 273.5 million people; together these countries are home to about 801 million people. Each country below links to its full geography profile — then try to find them all on the map in a game.