Ilhabela is an archipelago and city situated in the Atlantic Ocean six kilometres off the coast of São Paulo state in Brazil. The city is 205 km from the city of São Paulo and 340 km from the city of Rio de Janeiro. The largest island, although commonly called Ilhabela, is officially named Ilha de São Sebastião. It, the other islands and the islets make up the municipality of Ilhabela. Ilhabela is part of the Metropolitan Region of Vale do Paraíba e Litoral Norte. The population is 35,591.