Wanderlust World Wanderlust World Jamaica is the largest island nation in the Caribbean Sea by area, covering approximately 10,991 square kilometers (4,244 square miles). It is part of the Greater Antilles, the group of larger, more northerly islands that also includes Cuba, Hispaniola, and Puerto Rico.
The Greater Antilles comprise the four largest islands in the Caribbean. While Cuba is the largest island overall, Jamaica is the largest country that is entirely an island (Cuba is larger but is also a country; however, the question often distinguishes between island nations and territories). Jamaica's size, population, and cultural influence make it a major Caribbean nation.