Settlements include the seaside village of Barra Grande on the Ponta do Mutá and the city of Camamu within the bay.

The APA contains islands, the 8 kilometres (5.0 mi) long Cassange lagoon, the Tremembé waterfalls and the Saquaíra and Algodões beaches.

Vegetation includes restinga, extensive mangroves and remnants of Atlantic Forest in an advanced state of regeneration[3] Threats include destruction of the mangroves, drainage of wetlands to build condominiums, illegal occupation of permanently preserved areas and replacement of the native vegetation by coconut monocultures.

[3] The Baía de Camamu Environmental Protection Area was created by state governor decree 8.175 of 27 February 2002.

[2] The purpose is to preserve the mangroves, ensure the genetic diversity of native flora and fauna, protect fresh, brackish and salt water, regulate land use and occupation, promote development of sustainable socio-economic activities, combat overfishing and protect the remaining rain forest.