Just off Phuket’s southern shores, a chain of small islands promises crystal-clear water, white-sand beaches, and world-class snorkeling. From the rustic charm of Koh Lon to the turquoise bays of the Racha Islands, these spots are perfect for day trips or peaceful overnights. Add in Coral Island and Maithon, and you’ve got a collection of easy escapes that feel like mini-paradises, all within an hour of Phuket.