It includes strictly protected and sustainable use conservation units in a coastal area of well-preserved Atlantic Forest.

The Jureia-Itatins Mosaic covers parts of the municipalities of Iguape, Itariri, Miracatu and Peruíbe in the state of São Paulo.

[2] The Jureia-Itatins area is environmentally important since it holds one of the best preserved remnants of Atlantic Forest.

It includes an extensive fluvial marine plain through which the Una do Prelado River flows, with rich flora and fauna.

It included the Jureia-Itatins Ecological Station and the newly created Itinguçu and Prelado state parks, Despraiado and Barra do Una sustainable development reserves and the Ilhas do Abrigo e Guararitama Wildlife Refuge.