Perfect conditions. It is the so called high season on the west coast of Thailand. Mantas and whale sharks often seen during this period. Water temperatures are around 29 C.

Similan & Surin Islands have more tropical variety of under water landscape than most other dive destinations around the world. The islands are recognized as some of the best diving sites world-wide. There are big boulders of rock, huge sea fans, barrel sponges, caves, 'swim through’, dramatic ‘drop offs’ and a paradise for any kind of marine life. The arias were designated as a National Park in 1982. Nearby the Surin Islands is Richelieu Rock found, world-famous for many sightings of the whale shark. Koh Bon and Koh Tachai are top class dive sites just the same and the best spots to see manta rays.