Saint Mary is located in the northeast section of Jamaica.It is one of Jamaica’s smallest parishes. Its chief town and capital is Port Maria, located on the coast. The terrain is mountainous, rising up to almost 1,200 meters (4,000 ft.) at the highest point, but there are no distinctive mountain ranges. The eastern section of the parish has shalerock and an intricate surface draining pattern, while the western section is limestone with predominantly underground rivers.