Further afield, there is heart - pounding adventure diving on reefs and seamounts along the coast where masses of large pelagic fish congregate. (wavehunters.com)
The result is extremely rich marine bio diversity and during certain times of the year large pelagic fish such as manta rays & whale sharks visit the reefs. (bluemarinedive.com)
The granite islands which make up the Similan National Marine Park provide gorgeous coral reefs peppered with rainbow coloured fish as well as deep water boulder formations that attract large pelagic fish such as whale sharks and manta rays. (dive-the-world.com)