The Islas del Golfo de California Biosphere Reserve, with its over 240 islands, is located in northwestern Mexico between the rocky and arid peninsula of Baja California, the vast Sonoran Desert and the abundant mangroves of Sinaloa.
The Savegre Biosphere Reserve is located on Costa Rica's central Pacific coast and borders two other biosphere reserves in the north and east. Due to its varied topography, as well as its heterogeneity of microclimates, it is one of the most biodiverse sites in the country.
In the language of the Mayan peoples who once inhabited this region, Sian Ka'an means 'Origin of the Sky'. Located on the east coast of the Yucatán Peninsula, this Biosphere Reserve contains tropical forests, mangroves and marshes, as well as a large marine section intersected by a barrier reef.
The Sierra de Álamos – Río Cuchujaqui Biosphere Reserve is located in the Mexican State of Sonora. From the tropical deciduous forest to the Sierra Madre evergreen forest, the reserve hosts an abundance of key species and extraordinary biological wealth.
The Sierra de las Minas mountain range, that runs through the country's southeast highlands, is one of the truly wild places in Guatemala. Protection of the area is particularly important because it contains an estimated 60 percent of Guatemala’s remaining cloud forest.
The Sierra Gorda Biosphere Reserve is located in the State of Queretaro in northern Mexico. Its strategic biogeographical position between the Arctic Neotropical and the Mesoamerican Mountain regions makes Sierra Gorda one of the most ecologically rich and diverse places in Mexico.
The location of this unique transboundary site in Central America, where Quaternary glaciers have left their mark, has allowed the fauna and flora of North and South America to interbreed. Four different Indian tribes inhabit this area, which benefit from close cooperation between Costa Rica and Panama.
The Tehuacán-Cuicatlán Biosphere Reserve is located in rugged terrain set amid a complex system of mountain ranges and valleys within the Sierra Madre del Sur. Due to its endemic species, endangered species and its rare floristic species, the site is an IUCN world biodiversity hotspot.
The Trifinio Fraternidad Biosphere Reserve is a trinational biosphere reserve located between El Salvador, Guatemala, and Honduras. It is the first transboundary biosphere reserve in Central America and represents a major contribution to implementation of the Mesoamerican Corridor.
Isla de Sacrificios ("Island of Sacrifices") is an island in the Gulf of Mexico, situated off the Gulf coastline near the port of Veracruz, in Mexico. The waters surrounding the island are part of the Sistema Arrecifal Veracruzano National Marine Park and Biosphere Reserve.
The Volcán Tacaná Biosphere Reserve encompasses the Tacaná Volcano in Chiapas, on the Mexico-Guatemala border. The volcano is part of the Central America Volcanic Arc. It contains fragile ecosystems very rich in wild flora and fauna species of cultural, scientific, economic and biological relevance.