Antigua and Barb. is 7.5 times larger than Manhattan (NYC borough).
Area: 443 km2 World Factbook
Population: 91,295 (July 2014) World Factbook
Antigua and Barbuda is a twin-island nation lying between the Caribbean Sea and the Atlantic Ocean. It consists of two major inhabited islands, Antigua and Barbuda, and a number of smaller islands. The permanent population numbers about 81,800 and the capital and largest port and city is St. Wikipedia
Area: 59 km2 calculated
Manhattan is the most densely populated of the five boroughs of New York City. The borough is coterminous with New York County, an original county of the U.S. state of New York. Wikipedia