The reef formations around Roatan have very different morphologies (shapes). There are three types of coral reefs around the island or Roatan. There are Barrier reefs, Atolls, & fringing reefs. These coral formations are quite different from each other. Sometimes, the reef forms a gradual slope away from the shoreline. This reef structure is referred to as a fringing reef. Read more on the Roatan Tourism Bureau Geomorphology page.
Full article on the Roatan Tourism Bureau website. Click Below.