At latitude 23°26'21.45", it is bounded to the north by Paraty (Rio de Janeiro), to the south by Caraguatatuba, to the west by Cunha, São Luiz do Paraitinga, and Natividade da Serra, and to the east by the Atlantic Ocean.

Serra do Mar State Park was established in order to conserve and preserve the Atlantic Forest and covers 83% of the municipality, having a few connector roads through the mountain range and consisting of three centers within Ubatuba: Cunha-Indaiá, Santa Virgínia and Picinguaba.

In addition, the Oceanographic Institute of the University of São Paulo runs the Clarimundo de Jesus research base in Ubatuba.

Back in the 16th century, the Tupinambá families were forced into slavery, working on sugar cane plantations along the Southern Shores surrounding the towns of São Vicente and Itanhaém, a region also called "Morpion" at that time (according to André Thévet - "Singularités de la France Antarctique").

The Tupinambá responded to this outrage with the Tamoio Confederation, a powerful military alliance that stood to destroy São Vicente, with the help of the French, who had founded a Protestant refugee colony, France Antarctique in Guanabara Bay before the foundation of Rio de Janeiro.

The Portuguese sent two Jesuit priests, Fathers Anchieta and Nobrega, to Ubatuba (a tribe named Yperoig), to make peace with the Tupinambá Indians.

Anchieta was kept as a hostage and Nobrega returned to Saint Vincent along with the Chief Cunhambebe to make arrangements for the final Treaty.

[15] The company is currently an operator of cell phones, fixed lines, internet (fiber optics/4G) and television (satellite and cable).