Atol das Rocas is a unique coral atoll located in the South Atlantic Ocean, about 260 kilometers from the coast of Brazil. It is part of the Atol das Rocas Biological Reserve, which was established to protect its diverse marine life and ecosystems. The atoll consists of a ring of coral reefs surrounding a central lagoon, making it an important habitat for various species of fish, birds, and other wildlife. The area is known for its rich biodiversity, including endemic species and migratory birds. Atol das Rocas is also a UNESCO World Heritage Site, recognized for its ecological significance and the need for conservation efforts. Access to the atoll is limited to protect its fragile environment.