Jamaica is 37 times larger than Port St. Lucie, Florida.
Area: 10,991 km2 World Factbook
Population: 2,930,050 (July 2014) World Factbook
Jamaica is an island country situated in the Caribbean Sea, comprising the third-largest island of the Greater Antilles. Wikipedia
Area: 295 km2 calculated
Port St. Lucie is a city in St. Lucie County, Florida, United States. The population of Port St. Lucie was 164,603 at the 2010 census due to its rapid growth during the 2000s. In 2013 the State of Florida estimated the City's population at 171,016. Port St. Wikipedia