[3] The island is made up of mountains with small plains irrigated with dozens of streams of clear water, with pools, rapids and waterfalls.

The island has eight beautiful beaches, separated by section of rocky shore and cliffs that plunge into the sea.

[4] The state park is administered by the Instituto Estadual do Ambiente of Rio de Janeiro.

Any predatory actions that could harm the environment are forbidden, including cutting trees, pulling up seedlings, hunting and fishing, feeding or harming animals, agriculture, or residential, commercial or industrial occupation.

The island still suffers from problems such as growing numbers of visitors, poor garbage collection, lack of sewage treatment, illegal construction and predatory hunting and fishing.