The Montejo expedition was a Spanish military and maritime expedition to the Maya Lowlands in 1527–1528, during the conquest of Yucatan, led by Francisco de Montejo, who was named adelantado and thereby authorised to conquer the Postclassic Maya polities there for New Spain. The campaign had mixed results: Montejo was well-received and aided in Ekab, but was ill-received and resisted by Chikinchel and Chetumal, the former via battle and the latter via deception. The Spanish won their engagements against the former polity but failed to subdue the latter.