Scuba diving is by far the biggest attraction on Ko Tao, and it is easy, fun, and you will see a lot of fish, perhaps even turtles, stingrays, barracuda, reef sharks, and even a whale shark if you get lucky
You will get good diving weather on Koh Tao apart from November, when the sea is choppy, and visibility is poorer than normal. The visibility can be over 40 metres during the rest of the year.
You will find a lot of dive operators on the island, and some of them offer accommodation. Just beware that when you read the accommodation is free, its not really, because they will offer discounts if you stay somewhere else.
In 2006 you will pay in the region of 10,000 bht for a PADI open water certificate, and this should include the new PADI training manual, proper professional instruction, rental equipment, boat dives etc. This may include insurance and basic accommodation, but shop around, and remember the methods of instruction may differ enormously.
A few hints include avoiding shops that use swimming pools to teach you in. Youll find it cold, boring, and unhygienic, bearing in mind this is a very popular diving island, and they will have literally...