In 2002, Florida sank a 510-foot Navy ship off Key Largo; the USS Spiegel Grove became one of the world's largest purpose-built ship reefsIn 2002, the USS Spiegel Grove, a decommissioned Navy ship, was purposely sunk near Key Largo to form an artificial reef. This innovative a...
23 Aug, 2026, 01.40 PM IST
In 2006, volunteers lowered a stripped Boeing 737 into the Pacific; 20 years later, the jet has become a cold-water artificial reefA retired Boeing 737 now rests on the seafloor off Vancouver Island. This aircraft was transformed into an artificial reef by Canada. The X...
23 Aug, 2026, 01.30 PM IST
The Savannah River swapped bare marsh edge for oyster reefs in 2023; wave energy fell by up to 40%, giving Georgia coasts a tougher storm shieldScientists built oyster reefs in Georgia's Savannah River to reduce wave energy. These reefs lessened wave impact on the shoreline by as mu...
23 Aug, 2026, 01.20 PM IST
In 1986, Florida sank this 189-foot ship off the Florida Keys; decades later, its stripped superstructure is covered in sponges, corals and hydroidsThe Thunderbolt, a former military and research vessel, now serves as an artificial reef off Marathon in the Florida Keys. It was intention...
23 Aug, 2026, 09.45 AM IST
In the 1950s, U.S. nuclear tests were conducted at Bikini and Enewetak; decades later, Guam corals preserved carbon-14 spikes linked to tests in 1954, 1956, and 1958Guam’s coral reefs act as natural historians, chronicling chemical footprints of Cold War-era nuclear tests. Distinct radiocarbon spikes fr...
22 Aug, 2026, 01.40 PM IST
Since 1958, tidal groundwater has continued moving beneath Runit Dome in the Marshall Islands, where 85,000 cubic meters of radioactive material rest; now rising Pacific seas are raising questions about the future of the 115-meter-wide structureTidal groundwater moves freely beneath Runit Dome in the Marshall Islands. Built over a nuclear crater, the 115-meter concrete structure ho...
20 Aug, 2026, 09.08 PM IST
In 2021, Cyprus submerged 93 sculptures to create an underwater forest; concrete trees rise from the seabed at different depthsAn underwater sculpture park in Cyprus offers a unique habitat for marine life. This art installation, MUSAN, features concrete figures and...
20 Aug, 2026, 06.50 PM IST
In 2023, Georgia sank two retired Atlanta commuter trains; seven months later, divers found corals, fish, and other marine life colonizing the railcarsRetired MARTA train cars were sunk off Georgia's coast to create new reefs. Divers found marine life and coral growth on the cars within se...
20 Aug, 2026, 06.40 PM IST
In 2019, Jordan sank 19 military machines in the Red Sea, turning retired tanks, cannons, an ambulance, and a combat helicopter into an underwater museum and artificial reefJordan's Aqaba hosts a unique underwater military museum featuring decommissioned vehicles. These sunken machines now serve as artificial r...
20 Aug, 2026, 06.30 PM IST
In 2016, Turkey deliberately sank an entire Airbus A300, turning a passenger jet into an artificial reef, 75 feet below the surfaceA decommissioned Airbus A300 was deliberately submerged off the coast of Turkey to enhance diving tourism and safeguard marine ecosystems. ...
20 Aug, 2026, 06.23 PM IST
In 1985, the first invasive lionfish spotted off Florida after aquarium release; in three decades, they spread from Gulf of Mexico to the southern CaribbeanThe invasive lionfish, first introduced in the 1980s, has quickly proliferated across the Western Atlantic, extending its reach from Florid...
20 Aug, 2026, 04.35 PM IST
In 1982, Delaware’s former tanker was built for a life at sea carrying oil. 44 years later, the vessel was deliberately sunk off Delaware’s coast, beginning a second life as an artificial reef for marine speciesThe Calcasieu Pass vessel, constructed in 1982 for oil operations, has made a remarkable transition to become a key component of Delaware's...
20 Aug, 2026, 01.33 AM IST
By 2015, Georgia had added about 200 retired chicken-transport cages to an offshore reef; the steel structures became fish habitatAlong the stunning coast of Georgia, discarded chicken cages have found a new purpose as artificial reefs. These innovative structures crea...
19 Aug, 2026, 02.50 PM IST
Between 2001 and 2010, more than 2,500 New York subway cars were sunk into the Atlantic — decades later, they have become a thriving underwater reefA fleet of old subway cars from New York City has found an unexpected second life at the bottom of the Atlantic Ocean. Sunk off the Delawar...
13 Aug, 2026, 06.30 PM IST
Britain used discarded seafood waste and engineered reef habitats to solve the collapse of native oyster ecosystems; the result transformed lifeless seabeds into thriving underwater habitats capable of supporting oysters, fish, and countless marine speciesBritain is deploying concrete reef cubes and scallop shells to revive native oyster populations. These structures aim to provide essential ...
08 Aug, 2026, 12.34 AM IST
In 2017, Virginia sank up to 20,000 tons of a demolished bridge, creating a concrete haven for fish beneath Chesapeake BayIn Virginia's Chesapeake Bay, old bridge concrete finds a new purpose as it transforms into artificial reefs, creating vibrant habitats for...
04 Aug, 2026, 05.21 PM IST
In 1970, US dumped 2 million tires into the ocean; a plan to save marine life turned into one of the biggest environmental blundersIn 1972, more than 2 million old tires were dumped into the Atlantic Ocean off Florida. The goal was simple. Create an artificial reef and ...
03 Aug, 2026, 06.32 PM IST