Thalassa Arg, Mud Hole, Roatan

Thalassa Arg, Mud Hole is a Roatán-area dive site that forms part of the island’s fringing reef system. Located off the Caribbean coast, the site features a shallow to moderate depth profile typical of Roatán’s leeward walls and sandy sections. Divers commonly encounter a mix of coral formations, fans and gorgonians, with reef fish such as parrotfish, surgeonfish and grunts, plus occasional moray eels and reef sharks in broader Roatán waters. Access is usually straightforward from nearby shore or boat dives, with entry from a sandy bottom and varying currents depending on tide and wind. The site offers relaxed to moderate conditions suitable for experience ranges from beginners on guided dives to more confident divers exploring the reef edges. The Roatán area is known for its clear Caribbean water, healthy coral cover and a slow, gentle drift along the reef crest.