"If you've never heard of the Tremiti Islands, you're excused. This tiny island group off the coast of Puglia gets overlooked in favor of Instagram-friendly Pugliese beaches and busy Adriatic resorts to the north. But if you know, you know. These islands are chock-full of natural beauty and a few interesting historical sites, and even at their most crowded are a relaxed alternative to Puglia's mainland beach destinations. San Domino is the largest of the five-island group, and offers just enough in the way of infrastructure to keep visitors fed, sheltered, and reasonably entertained. But in the Tremiti, you're here to spend time in the water. Divers go bonkers for the marine life and shipwrecks, and snorkelers have plenty to gawk at as well. Plan to join one of several daily organized boat tours of the islands, or rent your own gommone and motor around at your own pace." - Travel + Leisure Editors