Health & safety
The island has several tidal channels (known as furos, or ‘punctures’, in Portuguese) that connect inland lagoons to the ocean, and vary in size and strength according to the tide. The channel separating Algodoal from Praia do Farol can be waded at low tide, while canoes ferry people across in high water (R$0.50). A second channel, Furo Velho, is just over halfway between Algodoal and Fortalezinha (walking clockwise). It’s larger and deeper than the others and should never be crossed on foot, even at low tide.
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