Scuba diving Thailand - How to choose a local dive site?

Thailand, the heaven of scuba divers. Every divers are dreaming to visit wonderful seas with peaceful nature, colorful corals with several fish and rarely species of fish in another world, under the sea which you can’t find anywhere but only when scuba diving in Thailand. There are 2 main diving zones, the Andaman sea side and The Gulf of Thailand side, which are on the top range of the world, beautiful and popular places for scuba diving in Thailand. There are many diving sites that are available covering the year. Scuba diving around The Andaman side are properly during October to April. During May to September is appropriate time for scuba diving in Gulf of Thailand side. How to choose a local dive center for scuba diving in Thailand.? The first thing that comes to mind when you are traveling to new places and looking for scuba diving center is: How can you know that this dive center is matching for your needs when you want to start your scuba diving in Thailand. Th...