* The Similan Islands are the Pearl of the Kingdom of Thailand. An archipelago of 9 islands, diving near which will appeal even to the most sophisticated diver, as the dive sites have very good visibility and an incredible variety of marine life. The Similan Islands are a national park and are open to the public from October to May. The dives take place as part of a dive safari, which gives you the opportunity to see the amazing underwater world at night. Almost all dive sites are designed for deep-sea diving, so they are only suitable for divers with at least level 2 certification.