at a glance

those who wish to apply for a permit to visit the praia da marambaia can start by sending an email to the centro de avaliações do exército - caex, via this link - generally, authorizations of acess are only granted to people for scientific purposes, and already working with a local university.  

the strict access guidelines stipulate, that it is not possible to enter for anything related to tourism, no filming or pictures are allowed that involve bathing suits, and no material can be produced relating to religion, ideology, or politics.

on this link, the corpo de fuzileiros navais da marinha do brasil maintains a webpage with more information on the island, its strategic importance, the demographics of the residents, and the history of the region.