Established in 1998 Blue Diamond Resort offers the best in Koh Tao diving. Open year round and operating in the beautiful tropical water of the Gulf of Thailand. We believe that our customers come first and we take pride in giving personal attention to every detail. With confidence and well founded knowledge about Scuba Diving and/or Koh Tao in general the people working in Blue Diamond Dive Resort will always be there for you if you have any question what so ever. B lue Diamond employs only qualified PADI Instructors and Divemasters speaking a variety of languages: English, Swedish, Dutch, German, Danish, Norwegian, French and Thai. Many of our staff have worked on Koh Tao for several years and have logged hundreds of dives around Koh Tao.