The term 'Island Country Near Key West' can be summarized as CUBA, which is a 4-letter word. CUBA is an island country located in the Caribbean Sea, just south of the United States and east of Mexico. It is the largest island in the Caribbean and is known for its vibrant culture, beautiful beaches, and unique history. CUBA is located just 90 miles from Key West, Florida, making it the closest island country to the United States.