Marine life in Sosua Beach and its waters off the coast is as rich and diverse as can be expected from the greater Antilles island of Dominican Republic, specially on the Atlantic Ocean side. There are many colorful tropical fish, mollusks, corals and other species that create a unique underwater universe for divers and snorkelers alike. Some species live here permanently, while others come and go ( dolphins, whales, whale sharks, etc ).

There are many diving and snorkeling sites along the coast of Sosua, and a good number of certified diving centers that provide lessons and tours. This online guide can help visitors identify the species. Visit the diving centers page to get information on the current diving tours and rates. For other species not listed here please visit the Costambar Beach marine life guide.