Coralina is the Corporación para el Desarrollo Sostenible del Archipiélago de San Andrés, Providencia y Santa Catalina (CORALINA), a public entity with administrative and financial autonomy. As the maximum environmental authority in the region, Coralina is responsible for executing national environmental policies, protecting natural resources, and promoting sustainable development. Located in the Archipelago of San Andrés, Providencia, and Santa Catalina, which is declared a Seaflower Biosphere Reserve by UNESCO, Coralina covers the entirety of this Colombian island department.

With its unique jurisdiction, Coralina safeguards the rich biodiversity and preserves the ecological balance of this fragile marine ecosystem. From education and environmental programs to monitoring and evaluation, Coralina is dedicated to sustainable development through the management and conservation of protected areas, marine and coastal resources, and green businesses. Their goal is to ensure the long-term preservation of the Archipelago's natural treasures, creating a sustainable future for the local community and visitors alike