Laguna de Cananéia is a coastal lagoon located in the state of São Paulo, Brazil. It is part of the Cananéia-Iguape-Peruíbe Environmental Protection Area and is known for its rich biodiversity, including various species of fish, birds, and marine life. The lagoon is also significant for local fishing communities and supports both commercial and artisanal fishing activities. The lagoon is surrounded by lush mangroves and is connected to the Atlantic Ocean, providing a unique ecosystem. It serves as an important habitat for migratory birds and is a popular destination for ecotourism, attracting visitors interested in exploring its natural beauty and wildlife.