This lagoon is located between Moron City and Jardines del Rey Tourist polo and is the largest natural reservoir in Cuba, with a surface area of 66 km2. It provides a haven for flamingos and a variety of other bird species as Tocororo, carpintero churroso, Mayito de Ciénaga, cernícalo, aura tiñosa, zunzún, martín pescador, falcón, gavilán del monte, and some migratory as huyuyo duck.

Founded in the middle of the 18th century, it is the second largest city in the province of Ciego de Ávila. On entering the town you are met by an enormous cockerel, an artwork by the prestigious Cuban sculptress Rita Longa and a symbol of the region. One of its most remarkable buildings is its railway station, built at the beginning of the last century as the headquarters of the North Cuba Railway. Morón also has some remarkable archaeological treasures, currently on display in its museum.

This lagoon is located on the way to Cayo Coco and is navigable across its 4.5 km² surface. It boasts beautiful natural canals, flanked by a dense forest of mangroves. The International Trout Center is located in this lagoon, due to the fact that it is one of the largest reservoirs for this species on the Island.