Most young people who come to Ko Lanta are attracted by its scuba diving sites. Clients, and owners, of the scuba diving schools are from the north of Europe.
The best diving sites in the area are Koh Ha and Koh Bida, Hin Daeng, Hin Muang, King Cruiser and Phi Phi Islands. Most diving centers have dive masters who can speak English, Swedish, German, Dutch, Norwegian, Finish and Thai.