1. You will try your equipment to find the best one for you (wetsuit, fins, masks). 2. You will attend a very interesting briefing about the corals and fishes, the fluorescent effect, your gear, the marine environment and your activity. 3. We will give you some extra professional gear: You will receive a white + an ultraviolet dive light to see all the coral and anemonies in fluorescent. 4. We will go together to Haad Yao Deuk, a very secret beach from where we will swim out to the reef to do the fluorescent snorkeling tour with our UV flashlights. 5.You will see the unseen. You will stay in the shallow area. The reef is very close from our dive center and from the shore. For this activity of fluorescent snorkeling, you will discover the reef with one of our professional guide. 180 species of coral react with this ultraviolet dive lights. Your instructor will take care of you and show you the best part of the reef with its secrets.