Refugio Nacional de Vida Silvestre Gandoca-Manzanillo
Location: Southeast of the Caribbean coast, between the mouth of the Cocles and Sixaola rivers, in the province of Limon, county of Talamanca, district of Sixaola.
Area information: Created on October 29, 1985. The more important ecosystems are wetlands: marshes, lagoons, flooded forests, reefs, and marine plants and seaweed beds. The habitats for threatened species such as manatees and Baula, Caguama, Green, and Carey marine turtles, are protected. South of Punta Mona there is the only remanining cativo forest on the country's southern Caribbean. On the refuge only exists tropical wet forest.

Parque Nacional Cahuita
Location: On the Caribbean coast, 44 Km south of Limon.
Area information: Created on September 7, 1970. It protects one of the better developed coral reefs on the Caribbean coast, and one of the most important in Costa Rica. It also protects a sample of marshy forest with Yolillo and Sangrillo, as well as white sand beaches of great beauty. It has transition zones of tropical wet forest, mountain rain forest, low mountain rain forest, and wet mountain forest.

Reserva Biológica Hitoy-Cerere
Location: On the basin of Estrella and Telire rivers, on the foothills of the Talamanca Mountain Range, 67.5 Km from Limon.
Area information: Created on April 27, 1978. It houses two life zones and a transition zone between tropical wet forest and premountain rain forest. The reserve houses 40 species of mammals, including some endangered or threatened species, 230 bird species, 30 amphibian species, and about 30 reptile species. Some unique or of limited distribution plant species can be found here.

Parque Nacional Barbilla
Location: On the province of Limon, its main entrance is located 3 Kms east of Siquirres city, on the road to Limon city.
Area information: Covered by virgin forest, and located inside tropical wet forest, with altitudes ranging between 110m and 1,617m. It contains a large quantity of plant and animal species, many of them rare or endangered. Its main attractions are Dantas River, Ayil Lagoon, and Tigre Hill, and the area of Dos Ramos.