A full-day speedboat trip to the Similan Islands, one of Thailand's top marine national parks, from Phuket or Khao Lak. You hop between islands and snorkel at the best-known spots in the archipelago, which is known for clear blue water, huge granite rocks and rich marine life.
The day includes return hotel transfers by air-conditioned van, a light breakfast at the pier, a buffet lunch on the beach at Koh Miang (Island No. 4) and light refreshments on your return. A snorkelling mask and tube, a life jacket, a licensed English or Thai-speaking guide, the boat crew and accident insurance are included.