The Caribbean's iconic sugary beaches and blue waters are not far away. But here’s something you may not know: There are approximately 28 island nations and more than 7,000 individual islands in the region. So when you say you've already done the U.S. Virgin Islands, Jamaica, Aruba, and the Dominican Republic, here are a few hidden gems that you'll find are the Caribbean’s best-kept secrets. Bookmark this for when you're ready to travel.