This remote bay is adjacent to Castara Bay. It is usually accessed for diving by boat. Cotton Bay consists of a series of submerged rocks for an amazing swim through for divers and hideout for marine life. Encrusting and boulder corals grow along these giant submerged rocks that descend to great depth.
COTTON BAY, TOBAGO
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Little Tobago is the larger island located in Speyside Bay. This island is home to marvels both above and below the water including one of the largest brain corals in the Western Hemisphere. Coral reefs encircle Little Tobago. The island is an important nesting site for marine birds, including the Red-billed Tropic Bird.
Pirates Bay reefs consist of two small patch reefs located on either side of Pirates Bay in Man-O-War Bay, Charlotteville. This shallow coral community grows over sunken rocks. The reef is home to encrusting fire coral and hard corals, numerous long-spined sea urchins and sea rods. Many reef fish and juvenile marine turtles visit these reefs.
Along the south coast of Tobago are three dives sites. From east to west, they are Cove Reef, Flying Reef and Stingray Alley. Coral reefs in this area are gently sloping and exposed to high currents. These are the haunts of large schools of reef fish including grunts and chub.
Hermitage reef lies along the eastern side of Man-O-War Bay, Charlotteville, adjacent to Hermitage Bay. With no coastal development nearby, this coral reef is home to the endangered branching Elkhorn corals in the shallows. Farther down the reef slope, giant mountain star coral colonies extend from 7 m to 15 m in depth, creating underwater structures for numerous marine creatures.
Culloden Bay is home to a unique spur and groove coral reef formed by water movement. The growth of corals over time has created these rocky underwater spurs that project out to sea like fingers. Each spur is separated by a sandy groove where one can find turtles, eels and lionfish lurking.
Located north of Charlotteville, this island is a bird sanctuary and home to a number of nesting species, including the Magnificent Frigatebird and the Brown Booby. Coral reefs surrounding St Giles are exposed to high currents that form reefs dominant in brain corals that cover the shallow areas.

