Coral reefs are found in the park, the similan islands. A coral reef, deep water coral has a variety of types, such as staghorn coral and coral bottle. Seriatopora histrix found was the dominant species, while the other. Not found in this group of coral reef organisms that live in more reef types can be found in general, including sponges, soft coral. Anemone coral clam, ink, lobster and crab for reef fish have a survey and found at least 54 kinds such as grouper. Fish, pork color sweetlip, butterfly fish, wrasse