Created in 1998, the park has a total area of , it comprises Superagüi Island, Peças Island, Pinheiro and Pinheirinho Islands, along with the Rio dos Patos Valley and the Varadouro Channel, which separates the island from the mainland. Superagüi National Park was declared a Biosphere Reservation by UNESCO in 1991. In 1999, the park was declared a
World Heritage Site. The park has bays, deserted beaches, sandbanks, estuaries, mangroves and abundant Atlantic Forest formations. The park is the primary habitat of the critically endangered
Superagui Lion Tamarin, and hosts many other fauna and flora characteristic of the
Serra do Mar subregion of the
Atlantic Forest. The conservation unit is part of the
Lagamar Mosaic. == History ==