The Lagamar Mosaic (Portuguese: Mosaico do Lagamar is a protected area mosaic that includes a number of conservation units in the states of São Paulo and Paraná, Brazil.

The mosaic council was formed in October 2013, and included representatives of various government and civil society organisations.

[1] The mosaic includes strategic areas for conservation of the remaining mangroves of the south and southeast coasts of Brazil.

[1] As of June 2014 there were 52 conservation units in the mosaic, forming the largest continuous remnant of Atlantic forest in Brazil.

A mosaic is defined as a set of protected areas, of the same or different categories, adjacent or nearby, and other public or private protected areas, that are managed in a joint or integrated manner.