A Protected Natural Area designated a World Natural Heritage Site by UNESCO, it is one of the most important achievements in ocean conservation and the only hard coral reef in the Gulf of California.

The reef of Cabo Pulmo National Park is considered a treasure of the Baja California Sur Peninsula. It is approximately 20,000 years old and has more than 300 species of fish, which is why it is known as "The Aquarium of the World." Cabo Pulmo has become a world-famous diving and snorkeling spot, with top-level instructors.