Top Results for Atoll

A large, shallow lagoon lies inside Aldabra Atoll in the Seychelles, where coral limestone islands and narrow tidal passages shape an Indian Ocean ecosystem. The lagoon forms part of a UNESCO World Heritage site with extensive reef habitats and diverse marine life. Aldabra's giant tortoises live on...

A broad expanse of turquoise water edged by reef and small islands gives Aitutaki Lagoon its distinctive setting in the Cook Islands. Clear shallows and coral habitats make the lagoon a focus for marine recreation, while the main island provides a settled base for visitors. Aitutaki combines a raise...

Also known as Caroline Atoll, Millennium Atoll encloses a remote lagoon in Kiribati's Southern Line Islands. Its coral habitats have been studied for their relatively limited human disturbance and the wildlife they support. Fish and sharks inhabit the lagoon, while seabirds nest on the surrounding i...

North Reef forms one of the remote coral atolls within Tubbataha Reefs Natural Park in the Philippines' Sulu Sea. The park, which includes both principal atolls and Jessie Beazley Reef, is a UNESCO World Heritage Site. Extensive coral habitats support diverse marine communities, including sharks. No...

Enclosed by the reef and low islands of a French Polynesian coral atoll, Tetiaroa Lagoon forms the marine center of a secluded tropical setting. Clear water and coral habitats support an underwater ecosystem that attracts interest beyond its appearance. The surrounding islands also provide opportuni...

South Reef is the southern atoll of Tubbataha Reefs Natural Park, a protected marine area in the Philippines' Sulu Sea within the Coral Triangle. Together with North Reef and Jessie Beazley Reef, it belongs to the park's UNESCO World Heritage property. Coral communities and the surrounding open wate...

Cocos Keeling Lagoon is an isolated Indian Ocean lagoon situated within an Australian territory. It’s a significant geological site due to its historical importance in developing Charles Darwin's theory of coral atoll formation. The lagoon features a unique coral reef ecosystem and remains accessibl...

Rowley Shoals is a remote coral atoll complex situated within the Indian Ocean off the western Australian coastline. Comprising Mermaid, Clerke, and Imperieuse reefs, it’s notable for its exceptional biodiversity and relatively undisturbed marine environment. Managed as a Commonwealth Marine Park si...

Maupiti Lagoon is a protected tropical lagoon situated on the remote atoll island of Maupiti in French Polynesia. Its notable feature is the abundant marine life, particularly manta rays, attracted to the calm, clear waters and surrounding coral reefs. The lagoon offers opportunities for snorkeling...

The Palmyra Atoll Reef is a coral reef ecosystem located within the central Pacific Ocean. It’s notable as a largely undisturbed marine environment recognized by the United States and protected as part of the Pacific Remote Islands Marine National Monument. The reef supports significant populations...

Suwarrow Lagoon is a remote atoll lagoon located within the Pacific Ocean, specifically part of the Cook Islands. It’s notable for its exceptional biodiversity and serves as a critical breeding ground for numerous seabird species. The lagoon's protected status makes it valuable for conservation effo...

Rangiroa Lagoon is a vast tropical lagoon situated within the Tuamotu Archipelago of French Polynesia. It’s notable as the second largest atoll lagoon globally offering remarkable biodiversity and diving opportunities. The lagoon's complex geography, including features like Tiputa Pass, supports div...

Tubbataha Reef is an atoll reef system located within the Pacific Ocean’s Sulu Sea off the coast of the Philippines. It comprises two coral islands and a surrounding reef complex recognized for exceptional biodiversity. Designated as a UNESCO World Heritage Site in 1993, it protects significant mari...

Fakarava Lagoon is a significant atoll within French Polynesia’s Pacific Ocean. It's recognized as a UNESCO Biosphere Reserve due to its exceptional marine biodiversity. The lagoon supports an abundance of coral and fish species including the renowned “Wall of Sharks” formation within Tumakohua Pass...

Scarborough Shoal, also known as Panatag Shoal or Bajo de Masinloc, is a disputed coral reef surrounded by a large lagoon in the South China Sea. The territory is subject to overlapping claims by China, the Philippines, and Taiwan, making it a focal point for regional geopolitical tensions. Followin...

Osprey Reef is a significant atoll reef located in the Coral Sea off the coast of Northeastern Australia. Rising dramatically from depths over one thousand meters, it’s notable for its substantial shark populations and diverse pelagic fish species. The reef supports considerable diving activity and...

Papahānaumokuākea Reef encompasses a vast atoll system within the Northwestern Hawaiian Islands. This UNESCO World Heritage Site represents the planet’s most remote marine ecosystem and one of the largest protected areas globally. It supports unique biodiversity including coral, fish, and seabirds....

The Bangaram Atoll Lagoon resides within the Indian Union Territory of Lakshadweep, an archipelago in the Arabian Sea. It is a significant coral reef ecosystem recognized for its biodiversity and offers opportunities for marine observation. The lagoon supports diverse aquatic life and is primarily e...

The Cosmoledo Atoll Lagoon is a remote Indian Ocean lagoon within the Seychelles Outer Islands. It’s notable as a vital nesting area for numerous seabirds including frigatebirds, boobies, and sea turtles. This protected environment offers unique wildlife viewing opportunities primarily for researche...

Glover’s Reef Atoll is a remote coral atoll located off the coast of Belize. It represents one of only three such formations within the Caribbean and is recognized by UNESCO as a World Heritage Site. The reef supports significant marine biodiversity and provides a valuable area for scientific resear...

The Farquhar Atoll Lagoon is a significant marine environment located within the remote Farquhar Group of Seychelles’ Outer Islands. It represents a protected area encompassing extensive coral reefs, vital sea turtle nesting sites, and abundant seabird populations. This lagoon supports diverse India...

The Agatti Lagoon resides within the Lakshadweep islands of India’s Indian Ocean. It is a significant coral reef ecosystem supporting diverse marine life. The lagoon’s notable feature includes its only commercial airport, facilitating access to the remote atoll. Researchers and travelers interested...

Sanganeb Reef is a remote coral atoll located within the Red Sea, off the coast of Sudan. It’s notable as Sudan’s inaugural marine national park recognized by UNESCO for its significant biodiversity and complex reef formations. The site offers opportunities for scientific research and diving explora...

Diego Garcia Lagoon is a lagoon located within the British Indian Ocean Territory. It supports a significant United Kingdom and United States military installation, making it strategically important for naval operations in the Indian Ocean. The lagoon’s isolated atoll environment contributes to its...

The Gambier Lagoon is a significant Pacific atoll located within French Polynesia near Mangareva. It’s notable for its role as a crucial location during the 19th-century arrival of Catholic missionaries. The lagoon provides a vital ecosystem and remains important to the local Polynesian population w...

Tikehau Lagoon is a tropical lagoon within the Tuamotu Archipelago of French Polynesia. Its notable feature is a nearly perfect circular atoll structure supporting extensive coral reefs and abundant marine life. The lagoon provides habitat for diverse bird populations and offers opportunities for sn...

Lighthouse Reef is a coral atoll located off the coast of Belize within the Caribbean Sea. It’s recognized for its significant biodiversity and contains the Great Blue Hole, a massive underwater sinkhole that attracts divers worldwide. The reef provides habitat for numerous marine species and offers...

Layang Layang Reef is a coral atoll located within the Pacific Ocean off the coast of Malaysia. It’s recognized for exceptionally deep surrounding waters supporting significant pelagic fish populations and abundant reef life. Divers and marine biologists studying tropical ecosystems find this locati...

Pearl and Hermes Atoll represents one of the most pristine coral atoll ecosystems remaining in the Pacific Ocean. Located within the Northwestern Hawaiian Islands, it’s notable for its exceptionally high biodiversity and relatively undisturbed state. The atoll's formation offers a valuable scientifi...