Arnos Vale Bay on Tobago’s Caribbean coast is a popular snorkel and diving destination, including night diving in the bay. The Arnos Vale reef extends outward from the bay along the eastern and western fringes, where the reef grows on submerged rocks. Divers can swim through channels covered in corals, sea fans and sponges.
ARNOS VALE BAY, TOBAGO
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Iguana Bay is located north of Charlotteville and can only be accessed by boat. Although there are coral communities, there is little structure, likely because of the exposed wave environment. It is home to some colonies of the incredible rare Acropora cervicornis.
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.
Located off Speyside, Goat Island features a house nestled between two giant rocks. Coral reefs wrap right around the island. The most famous reef is called Angel Reef, which lies along the western bay; it is dominant in hard corals and is one of the more biodiverse reefs on the island. Japanese Gardens on the south side of the island is well-known for its colourful sponge communities.
Mt Irvine Bay is a popular spot for surfing and diving in southwest Tobago. Mt Irvine reef, also known as the Flying Dutchman, extends out to the eastern headland. This fringing reef transitions from soft coral to hard coral as you move out from the bay. The back end of Mt Irvine reef is Mt Irvine Wall, which has a few swim throughs and overhangs where schools of fish hang out.
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.
Arnos Vale Bay on Tobago’s Caribbean coast is a popular snorkel and diving destination, including night diving in the bay. The Arnos Vale reef extends outward from the bay along the eastern and western fringes, where the reef grows on submerged rocks. Divers can swim through channels covered in corals, sea fans and sponges.

