Cuba's Tourism Cuba was a popular attraction for Americans about forty years ago. Under the restrictions imposed by the American economic embargo Cuba became off limits to Americans. Cuba is the largest of the Caribbean islands located 145km south of the United States across the Florida straits. The island is about 750 miles long with an average width of 60 miles and maximum width of 125 miles. Havana is the capital of Cuba and the nations leading seaport. Spanish conquistadors founded the city during the 16th century. The Americans who are permitted to visit Cuba are the ones visiting close family once a year for hum