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.
Tenorio Volcano National Park, in northern Costa Rica, forms part of the Arenal Tempisque Conservation Area and consists of four volcanic peaks and two craters. Thermal springs and small geysers dot the area as do rivers, waterfalls, lagoons and panoramic views.
Surrounded by the lush vegetation of the Maya Forest, lies one of the major sites of Mayan civilization. Tikal National Park is one of the few World Heritage properties inscribed according to both natural and cultural criteria for its extraordinary biodiversity and archaeological importance.
Tortuguero National Park is situated in the Limón Province of northern Costa Rica. Set in a natural wetland of the Caribbean coast with over 20 miles of coastline, it forms a corridor with another protected area, the Indio Maíz Biological Reserve of Nicaragua and is a key Ramsar site.
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 Whale Sanctuary of El Vizcaino World Heritage site is located on the Pacific Coast of the central part of the Baja California Peninsula and is embedded in the much larger El Vizcaíno Biosphere Reserve, encompassing desert, mountain and coastal/marine ecosystems.