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 Agua y Paz (Water and Peace) Biosphere Reserve is characterized by mountain ranges, volcanoes and plains. The reserve is comprised of eight core zones that are protected wildlife areas. Its natural riches include wetlands, navigable rivers and tropical humid forests.
The Ancient Maya City and Protected Tropical Forests of Calakmul, Campeche is both a World Heritage site and a Biosphere Reserve. The largest forest mass in Mexico and the second largest remnant forest left in Latin America, it is the heartland of the area in which the Maya civilization reached its climax.
The Apaneca-Ilamatepec Biosphere Reserve contains both the oldest volcano in the Central Volcanic Chain, Caldera de Coatepeque as well as a more recent formation, Izalco, a stratovolcano. The reserve hosts important ecosystems for conservation of species and has highly diverse habitats.
Arrecife Alacranes (Scorpion Reef) is a reef surrounding a small group of islands off the northern coast of Yucatán, Mexico. Designated a national park and biosphere reserve, it is the largest reef in the southern Gulf of Mexico and the only known coral reef in the Yucatán.
Located at the southeastern tip of the State of Quintana Roo in the Yucatán Peninsula, Banco Chinchorro Biosphere Reserve encompasses a mosaic of open water, sea grass beds, mangroves, sand beaches and coral reefs that is considered one of the most outstanding marine sites in the region.
The Cacique Lempira, Señor de las Montañas Biosphere Reserve, which includes Celaque National Park, is located in the western part of Honduras. The ecosystem is primarily cloud forest and includes Cerro las Minas, the highest mountain in Honduras.
The Chamela-Cuixmala Biosphere Reserve hosts a wide variety of ecosystems that make up one of the most diverse landscapes on the Pacific coast of the Americas. It is important for the conservation of the wide, dry, and deciduous tropical forest — considered among the world's most threatened ecosystems.
The Cordillera Volcánica Central Biosphere Reserve, located in the central highlands of Costa Rica, is one of the richest reserves in both natural resources and cultural heritage. It encompasses four national parks, two forest reserves, six protected zones and a national monument.
The Cuatro Ciénegas Biosphere Reserve is an arid zone, with around 500 water bodies of varied shapes and shades of blue, surrounded by mountains where unique species of this region have developed. In these water bodies, pozas, there are 33 endemic species and stromatolite.
The Cumbres de Monterrey National Park and Biosphere Reserve is located in the northern portion of the Sierra Madre Oriental, a mountain range in northeastern Mexico and near the city of Monterrey, consisting of rugged terrain boasting steep mountains, deep canyons, rivers and waterfalls.