Orbital Reef is a low Earth orbit (LEO) space station under development. It is designed by Blue Origin and Sierra Space for commercial space activities...

Kingman Reef (/ˈkɪŋmən/) is a largely submerged, uninhabited, triangle-shaped reef, geologically an atoll, 9.0 nmi (20 km) east-west and 4.5 nmi (8 km)...

A reef is a ridge or shoal of rock, coral, or similar relatively stable material lying beneath the surface of a natural body of water. Many reefs result...

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...

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...

Swallow Reef, also known as Malay: Pulau Layang-Layang; Vietnamese: Đá Hoa Lau; Mandarin Chinese: 燕子島; pinyin: Yànzi Dǎo; Celerio Reef (Filipino: Bahura...

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

Schoonmaker Reef, also known as Wauwatosa Reef, Schoonmaker Quarry, Raphu Station or Francey Reef is a 425 million year-old fossilized reef in Wauwatosa...

The blacktip reef shark (Carcharhinus melanopterus) is a species of requiem shark, in the family Carcharhinidae, which can be easily identified by the...

Florida Reef (also known as the Great Florida Reef, Florida reefs, Florida Reef Tract and Florida Keys Reef Tract) is the only living coral barrier reef in...

Glover's Reef is a partially submerged atoll located off the southern coast of Belize, approximately 45 km (28 mi) from the mainland. It forms part of...

Cato Reef, a part of Cato Bank, is a coral reef in the Coral Sea, off the central coast of Queensland, Australia. Cato Bank measures approximately 21 by...

reef flat is exposed. Automatic, unmanned weather stations are located on the following reefs or atolls: Bougainville Reef Cato Island Flinders Reef (Flinders...

There is a second Flinders Reef in the Coral Sea 120 nautical miles (220 km) north-east of Townsville. A weather station there is monitored by the Australian...

the reef has been known as Hebe Reef. There have been a total of six shipwrecks on Hebe Reef: "Low Head Pilot Station: Shipwrecks on Hebe Reef". Low...

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...

currently being developed by Sierra Space. The proposed Orbital Reef commercial space station would include multiple LIFE habitats. In September 2022 Sierra...

notable reefs. Fringing reef Recreational dive sites Recreational diving Southeast Asian coral reefs The Structure and Distribution of Coral Reefs Vidal...

The Robbins Reef Light Station is a sparkplug lighthouse located off Constable Hook in Bayonne, Hudson County, New Jersey, United States, along the west...

the world's first commercially owned and operated space station, Orbital Reef. Orbital Reef will be a “mixed-use business park in space in low Earth...

principal coral reef research stations, with a wide variety of research undertaken on coral reef ecology. Heron Island Research Station suffered a large...

Fiery Cross Reef, also known as "Northwest Investigator Reef", Mandarin Chinese: 永暑礁; pinyin: Yǒngshǔ Jiāo; Kagitingan Reef (Filipino: Bahura ng Kagitingan...

The Martin Reef Light Station is a lighthouse located in northern Lake Huron, 4.3 miles (6.9 km) south of Cadogan Point in Clark Township, Michigan. It...

The Belize Barrier Reef is a series of coral reefs straddling the coast of Belize, roughly 300 metres (980 ft) offshore in the north and 40 kilometres...

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

Ardasier Reef (7°37′19″N 113°51′39″E / 7.62194°N 113.86083°E / 7.62194; 113.86083), also known as Malay: Terumbu Ubi, lit. 'Yam Reef'; Antonio Luna Reef (Filipino:...

Subi Reef, also known as Xu Bi Reef (Vietnamese: Đá Xu Bi), Zamora Reef (Filipino: Bahura ng Zamora, lit. 'Reef of Zamora'), or Zhubi Reef (Chinese: 渚碧礁;...

Johnson South Reef, also known as Chigua Reef (Chinese: 赤瓜礁; pinyin: Chìguā Jiāo), Gạc Ma Reef (Vietnamese: Đá Gạc Ma), or Mabini Reef (Filipino: Bahura...

Bellona Reef, 164 km south-southeast of Chesterfield, is geologically separated from the Chesterfield archipelago but commonly included. The reef complex...

Orton Reef (66°16′S 110°33′E / 66.267°S 110.550°E / -66.267; 110.550) is a reef with a least depth of 2 ft in the north part of Newcomb Bay, located...