Yucatán Peninsula | Peninsula, Central America | Britannica

Geography

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The coast on the north and west is low, sandy, and semibarren. There are a number of openings through the outer bank upon which several small towns or ports have been built. The eastern coast consists of bluffs, indented with bays and bordered by several islands; the largest and most developed are Cozumel and Isla Mujeres. There is good fishing all along the coasts, and there are many excellent beaches, especially those at Cancún, which has become a major tourist destination and resort area.

The peninsula is almost wholly composed of beds of coralline and porous limestone rocks, forming a low tableland that rises gradually toward the south. It is covered with a layer of thin, dry soil, formed through a slow weathering of the coral rocks. Where the rocky surface is perforated, there are natural sinkholes and caverns, around which the Maya had built their cities and ceremonial centres.

More From Britannica Mexico: Physiographic regions

The climate of the northern Yucatán is hot and dry, and the absence of high mountainous ridges to intercept the moisture-bearing clouds from the Atlantic results in a limited rainfall. Toward the south, moisture increases from 18 inches (460 mm) to a maximum of 80 inches (2,000 mm) annually, and the scrub forest gives way to tall trees. Daily high temperatures range from the mid-70s to 100 °F (about 24 to 38 °C), but the heat is modified by ocean winds through the greater part of the year. The dry season lasts from December to May, and the hottest months are May and June. Most of the peninsula receives adequate rainfall throughout the year.

The regions toward western Campeche as well as those in Belize have sufficient rainfall to support forests containing mahogany, sapodilla, vanilla, logwood, and other dyewoods. Logwood forests fringe all the lagoons and many parts of the seaboard. Animal life includes deer, jaguar, wild boar, monkeys, snakes, and iguanas. Bird life abounds, especially turkeys, quails, and parrots.

The population of the Yucatán varies considerably in both density and ethnic composition. Mérida in Yucatán state and its surrounding region is densely populated. The southeastern Mexican state of Quintana Roo is the least populated part of the peninsula. The majority of the population in the Yucatán consists of Maya and mestizos (those of mixed Indian and European ancestry). The three Mexican states in the Yucatán region have a predominantly Maya population. In Belize about one-half of the population is mestizo (defined there as of mixed Mayan and Spanish ancestry), and the remainder is Maya, Creole (English-speaking people of largely African and British ancestry), and others. In Guatemala about two-thirds of the population is mestizo, and the majority of the remainder is Maya.

Corn (maize), sugarcane, tobacco, cotton, coffee, and henequen (for sisal hemp) are cultivated throughout the peninsula. Oil has been discovered in several parts of the Yucatán, and there is a gas field at Xicalango and offshore oil fields near the Bay of Campeche. Logging and chicle industries are important in Belize. Archaeological sites—including Chichén Itzá and Uxmal (designated UNESCO World Heritage sites in 1988 and 1996, respectively), as well as Tulum in Mexico—and the development of a transportation network have made tourism one of the major economic activities of the peninsula. There is a highway network, and Cancún and other major tourist centres are linked to Mexico City and international destinations by air.

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