 The western portion of the ecoregion mostly extends to the Gulf of Mexico, although the montane forests of the Sierra de los Tuxtlas and the flooded forests and wetlands of the Pantanos de Centla constitute distinct ecoregions.The eastern portion of the ecoregion is bounded on the north by the Yucatán moist forests, which extend east and west across the Yucatán Peninsula.The Petén-Veracruz moist forests extend east to the Caribbean Sea in Belize, surrounding enclaves of Belizean pine forests in the Maya Mountains and near the coast.