nce the baby of the Samui–Pha-Ngan–Tao trio, Ko Tao may still be the smallest in size but in many other ways it's grown up. The island is consistently gaining popularity and going more upscale, but for now this jungle-topped cutie has the busy vibe of Samui mixed with the laid-back nature of Pha-Ngan. But Tao also has its wild card, something the others don't: easy-to-get-to, diverse diving right off its