Osborne Reef is an artificial reef off the coast of Fort Lauderdale, Florida at 26°06′27″N 80°03′54″W / 26.10748°N 80.06493°W / 26.10748; -80.06493...

An artificial reef (AR) is a human-created freshwater or marine benthic structure. Typically built in areas with a generally featureless bottom to promote...

The Great Barrier Reef is the world's largest coral reef system, composed of over 2,900 individual reefs and 900 islands stretching for over 2,300 kilometres...

The Tubbataha Natural Park, also known as the Tubbataha Reefs Natural Park (Filipino: Bahurang Tubbataha), is a protected area of the Philippines located...

diving sites – Scuttling old ships to produce artificial reefs Osborne Reef – Artificial reef off Fort Lauderdale, Florida, US Perdomo, Gabriela. "Is Art...

tip of the island. These reefs are part of the much larger Mesoamerican Barrier Reef System, which is the second largest reef in the world, stretching...

Noarlunga jetty Rapid Bay jetty Shark River Reef South Channel Fort Osborne Reef Underwater artworks Cancún Underwater Museum Christ of the Abyss Circle...

sinkhole off the coast of Belize. It lies near the center of Lighthouse Reef, a small atoll 70 km (43 mi) from the mainland and Belize City. The hole...

A coral reef is an underwater ecosystem characterized by reef-building corals. Reefs are formed of colonies of coral polyps held together by calcium carbonate...

in a bank or island composed of a carbonate bedrock (limestone or coral reef). Blue holes typically contain tidally influenced water of fresh, marine...