The marine environment represents 75% of the territory of the park, characterized by the importance of underwater meadows of Posidonia oceanica as it is a marine plant exclusively from our sea that favors the maintenance of fish populations, marine organisms, oxygenates the waters, keeping them clean and transparent.
In addition, it protects the beaches from the erosive effect of the waves and maintains the natural dynamics of the dune systems, declared a World Heritage Site by UNESCO.
The terrestrial environment of the natural park has a representation of vegetables with some 178 species of plants. Mediterranean pine forests, coastal junipers, salicornias and halophytic vegetation that surround the lagoons appear.
The vestiges of ancient civilizations and historical traces of the Pitusas are also present in the Natural Park. It can be seen from the Phoenician site of sa Caleta (declared a World Heritage Site by UNESCO) and the defense towers along the entire coastline of the Park.
In the natural park, 210 species of birds have been found, highlighting waterfowl such as flamingos (Phoenicopterus ruber), the stilt (Himantopus), the brown tarro (Tadorna tadoma) and seabirds, Audouin’s gull (Larus audioni).