Cayo Largo offers some unique water-sport opportunities due to its sea beds, among some of the best protected in the Caribbean, large coral reefs, caves, shipwrecks, a wealth of biodiversity and the nearby keys of Iguana, Cantiles and Rico. Most of the diving sites are at reefs and walls that are from 16 to 98 fet (5 to 30 meters) down—which makes them an excellent scuba-diving destination for both experienced and beginningdivers. This singularly attractive scuba-diving Area—which extends for 30 miles (48 kilometers)—is considered one of the best places for scuba diving in the Caribbean. It is surrounded on aernll sides by coral reefs, which form an impressive habitat for fauna that is both varied and abundant.

Situated towards the western part of the key, this is the longest beach on Cayo Largo del Sur. Stretching for 7.5 km and surrounded by rocks, giving those who enjoy its choppy, warm waters the impression that they are swimming off a desert island. On more than one occasion it has won the Travellers' Choice award as one of the world's top beaches according to the reviews posted on TripAdvisor, the world's largest travel website.

Cayo Largo offers some unique water-sport opportunities due to its sea beds, among some of the best protected in the Caribbean, large coral reefs, caves, shipwrecks, a wealth of biodiversity and the nearby keys of Iguana, Cantiles and Rico.

Calm waters, a vast expanse of fine white sands and abundant plantations of coconut palms make Playa Sirena many visitors' favourite beach on this beautiful islet. Situated on the western side of Cayo Largo del Sur, its position protects it from the wind and waves, so here the sea is very calmed. Almost 2 kilometers of fine sand and without any hotel in the middle, it has a well equipped open air restaurant. You can also enjoy swimming and interacting with dolphins as the appropriate conditions for this activity have been created.