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Archipelago

    Brazil

    24°06′S 45°42′W

    Alcatrazes Islands

    Alcatrazes is a Brazilian archipelago, located some 35 km south of São Sebastião, in the northern coast of the State of São Paulo, one hour away by boat, approximately. It is protected by the largest marine integral conservation unit of Brazil after the Abrolhos Marine National Park.

    Ilha do Oratorio no Arquipelago de Alcatrazes, litoral norte de Sao Paulo
    Ilha do Oratorio no Arquipelago de Alcatrazes, litoral norte de Sao Paulo

    Zejulio / CC BY-SA 4.0

    Chart

    9 landforms

    Overview

    Alcatrazes is a Brazilian archipelago, located some 35 km south of São Sebastião, in the northern coast of the State of São Paulo, one hour away by boat, approximately. It is protected by the largest marine integral conservation unit of Brazil after the Abrolhos Marine National Park. In 2023, it was a recipient of the Blue Park gold level award for its "exceptional conservation of marine life during the 5th International Congress of Protected Sea Areas. The islands have been receiving an increasing number of researchers and possess unparalleled importance for the Brazilian marine biodiversity, having more variety of fish than Fernando de Noronha.

    From Wikipedia, CC BY-SA 4.0

    Census, cataloged

    • Major islands1
    • Minor islands0
    • Islets5
    • Rocks & skerries3

    Major islands

    1

    Islets

    5

    Rocks & skerries

    3
    • Unnamed island<0.1 ha
    • Unnamed island<0.1 ha
    • Unnamed island<0.1 ha

    Figures

    Comparative heights

    Sea level100 m200 m300 m265 mIlha dos Alcatrazes57 mIlha do Oratório6 mIlhota da Caranha4 mIlha Rasa
    High points by island, metres above sea level.

    Islands by area

    0.000010.00010.0010.010.1110Ilha dos Alcatrazes: 1.7 km²Ilha dos Alcatraz…Ilha do Oratório: 0.06 km²Ilha do OratórioIlha Rasa: 0.01 km²Ilha RasaIlha do Porto: 0.6 haIlha do PortoLaje do Alagado: 0.5 haLaje do AlagadoIlhota da Caranha: 0.4 haIlhota da CaranhaUnnamed island: <0.1 haUnnamed islandUnnamed island: <0.1 haUnnamed islandUnnamed island: <0.1 haUnnamed island
    km², log scale
    Ilha dos Alcatrazes1.7 km²
    Ilha do Oratório0.06 km²
    Ilha Rasa0.01 km²
    Ilha do Porto0.6 ha
    Laje do Alagado0.5 ha
    Ilhota da Caranha0.4 ha
    Unnamed island<0.1 ha
    Unnamed island<0.1 ha
    Unnamed island<0.1 ha

    Sources

    Facts

    • Geometry, areas and high points: OpenStreetMap contributors (ODbL), Copernicus GLO-30, via Talus.
    • Wikidata
    • Wikipedia

    Photographs