Where Is the Bermuda Triangle, and How Big Is It?
The Bermuda Triangle is a loosely defined area of the North Atlantic Ocean, roughly bounded by Florida, Bermuda and Puerto Rico. The most common version puts its three corners at Miami, San Juan and Bermuda, a definition laid out in a 1964 magazine article that did more than anything else to fix the shape in the public mind. For a closer look at the corners and borders, see where the Bermuda Triangle is and how big it is.
The catch is that the borders have never been official. Writers who followed that 1964 article drew their own lines, and the area they described ranges from about 1.3 to 3.9 million square kilometres (roughly half a million to one and a half million square miles). Some versions stretch the zone absurdly far, one as far as the coast of Ireland. That matters more than it seems. If the map can grow, then any wreck can be pulled inside it, and the count of “Triangle disappearances” depends entirely on which author is doing the counting.
The U.S. Board on Geographic Names does not recognise the Bermuda Triangle as an official place. On nautical charts it does not exist. It is a region defined by a story, not by geography, which is why its outline shifts so much from one map of the Bermuda Triangle to the next.
How the Legend of the Devil’s Triangle Began
Long before anyone drew a triangle, the nearby Sargasso Sea already had a reputation as a place where ships might become lost. But the modern legend has a surprisingly precise birthday.
1950: a newspaper story
On 17 September 1950, an article by Edward Van Winkle Jones of the Miami Herald went out on the Associated Press wire and appeared in newspapers across the United States. It was the earliest suggestion that disappearances in the Bermuda area formed some kind of pattern.
1952: the triangle takes shape
Two years later, Fate magazine published “Sea Mystery at Our Back Door” by George X. Sand. This short piece was the first to describe what Sand called “a watery triangle” bounded roughly by Florida, Bermuda and Puerto Rico, and it listed a run of post-war losses: a tramp steamer called Sandra, Flight 19, a fishing skiff with three men aboard in March 1948 including the jockey Albert Snider, a DC-3 charter flight lost in December 1948 between Puerto Rico and Miami, and the British passenger plane Star Ariel, which vanished in January 1949.
1962 to 1974: the mystery grows
In April 1962, The American Legion Magazine ran a piece by Allan W. Eckert about Flight 19. Eckert wrote that the flight leader had been heard saying, “We cannot be sure of any direction ... everything is wrong ... strange ... the ocean doesn’t look as it should.” That line became one of the most quoted in the whole legend.
Then, in February 1964, Vincent Gaddis published “The Deadly Bermuda Triangle” in Argosy, arguing that Flight 19 belonged to a pattern of strange events stretching back to at least 1840. He expanded the idea into a 1965 book, Invisible Horizons. A wave of books followed: John Wallace Spencer’s Limbo of the Lost (1969), Charles Berlitz’s The Bermuda Triangle (1974) and Richard Winer’s The Devil’s Triangle (1974). Several of these authors added supernatural explanations, and by the mid-1970s the mysterious Bermuda Triangle was a fixture of paperbacks, documentaries and late-night conversation.
The Cases That Built the Mysterious Bermuda Triangle
A legend like this lives on its case files. Here are the ones most often cited, with what the record says about each.
Flight 19 (December 1945)
Five US Navy torpedo bombers on a training mission were lost. It is the anchor case of the mysterious Bermuda Triangle, partly because of the eerie radio dialogue later attributed to the flight leader. Skeptics note that the famous quote entered the story through a 1962 magazine article, and that a small aircraft lost over open ocean is extraordinarily hard to locate given the size of the search area. A disappearance can be puzzling without being paranormal.
HMS Atalanta (1880)
The sail training ship HMS Atalanta left the Royal Naval Dockyard in Bermuda for Falmouth, England, on 31 January 1880 and vanished with her entire crew. The search drew worldwide attention at the time. It was presumed she sank in a powerful storm that crossed her route a couple of weeks after she sailed, with a crew made up mainly of inexperienced trainees. Decades later Triangle writers claimed her as a victim; the author David Francis Raine’s research in 1997 firmly rejected that idea.
USS Cyclops
The loss of the collier Cyclops, carrying a full load of manganese ore, is the single largest loss of life in US Navy history not related to combat. Of all the cases tied to the Devil’s Triangle, it carries the most weight simply because of its scale: a large naval vessel and a very large crew.
The 1948 and 1949 airliners
The DC-3 charter flight from Puerto Rico to Miami and Star Ariel were real losses of real aircraft. They helped convince early writers that something was happening in the region, especially because they came in such quick succession after the war.
What the Record Shows When Investigators Checked
In 1975, Larry Kusche published The Bermuda Triangle Mystery: Solved. His method was disarmingly simple. He went back to period newspapers, official reports and the people involved, and he compared what they said with what the Triangle books claimed.
What he found was damaging to the legend:
- Many incidents happened well outside the Triangle, however generously drawn.
- An ore carrier described as lost three days out of an Atlantic port had actually been lost three days out of a port with the same name in the Pacific.
- The disappearance of round-the-world yachtsman Donald Crowhurst was presented as a mystery despite clear evidence of what happened.
- A plane listed as vanished in 1937 had in fact crashed off Daytona Beach, Florida, in front of hundreds of witnesses.
- Losses described as happening in calm seas often coincided with storms that period weather records clearly show.
- Boats reported missing sometimes returned to port later, and the return never made it into the books.
Kusche concluded that the number of ships and planes lost there was not significantly greater, proportionally, than anywhere else at sea, and that the mystery had been manufactured through sloppy research, sensationalism and, in places, hoaxes. Our piece asking whether the Bermuda Triangle is real walks through that debate case by case.
Insurers, the Coast Guard and scientists
Later checks pointed the same way. When a 1992 British television documentary asked Lloyd’s of London whether unusually large numbers of ships had sunk in the area, Lloyd’s found they had not, and it does not charge higher rates for passing through. United States Coast Guard records support that conclusion, and the Coast Guard is openly skeptical, having published plenty of documentation that contradicts Triangle stories.
The tanker V. A. Fogg is a sharp example. It exploded and sank in 1972. One Triangle author claimed that every body vanished except the captain’s, found sitting at his desk clutching a coffee cup. In reality the Coast Guard photographed the wreck and recovered several bodies, and the ship went down off the coast of Texas, nowhere near the usual Triangle at all.
A 1976 Nova and Horizon documentary put it bluntly: when the investigators returned to original sources, “the mystery evaporates.” In a 2013 study of the world’s ten most dangerous waters for shipping, the World Wide Fund for Nature did not include the Bermuda Triangle. NOAA attributes most losses there to hurricanes, sudden weather shifts linked to the Gulf Stream and hazardous shallows, and the U.S. Navy rejects supernatural claims. In 2017 the Australian scientist Karl Kruszelnicki argued that, on a percentage basis, accidents there happen at the same rate as anywhere else.
| Claim in the legend | What the record shows |
|---|---|
| Ships and planes vanish at an unusual rate | Lloyd’s and Coast Guard records show no unusual loss rate for such busy waters |
| Losses happen in calm, clear weather | Period weather records often show storms that the stories left out |
| Victims are never found | Some cases had wreckage and recovered bodies, as with V. A. Fogg |
| All cases occur inside the Triangle | Many occurred far outside it, including in the Pacific and off Texas |
| Every case on the lists is a true mystery | Several, such as HMS Atalanta and the 1937 Daytona Beach crash, have ordinary explanations |
Natural Explanations for the Bermuda Triangle
The Atlantic Ocean Bermuda Triangle sits across some genuinely demanding water. None of the following is exotic, but together they explain why real accidents do happen there.
Violent and sudden weather
Many Atlantic hurricanes pass through the region as they curve away from the Eastern Seaboard. Before weather satellites, ships often had little or no warning. The record of destructive hurricanes in these waters goes back centuries; the sinking of Francisco de Bobadilla’s Spanish fleet in 1502 is the first recorded case. Even smaller events can be brutal. When the Pride of Baltimore sank on 14 May 1986, the crew reported the wind jumping from about 20 mph to somewhere between 60 and 90 mph. A National Hurricane Center satellite specialist described such cold downbursts as hitting the surface “like a bomb.”
The Gulf Stream
The Gulf Stream, or Florida Current, flows out of the Gulf of Mexico through the Straits of Florida and north into the Atlantic. It behaves like a river inside the ocean, with surface speeds up to about 2 metres per second. A boat with a dead engine or a small plane that ditches can be carried well away from its last reported position, and debris can scatter quickly, which makes searches harder.
Compass behaviour
Accounts of the mysterious Bermuda Triangle often mention compasses “going wrong.” No unusual magnetic anomalies have been found there. Compasses point to magnetic north, which differs from true north in most places, and the difference changes across a region this large. Navigators have known this for centuries, but to someone unaware of it, a compass that seems to drift can feel uncanny.
Human error
Official inquiries into ship and aircraft losses cite human error more than almost anything else. The businessman Harvey Conover, for instance, lost his yacht Revonoc on 1 January 1958 after sailing into a storm south of Florida. Busy water means many vessels, and many vessels mean many chances for misjudgement. For the practical side of that, see the real risks at sea in the Bermuda Triangle.
Methane hydrates
One more speculative natural idea involves methane hydrates, a frozen form of natural gas stored in seafloor sediments. Large deposits exist worldwide, including the Blake Ridge area off the southeastern United States. Laboratory experiments in Australia showed that rising gas bubbles can lower water density enough to sink a model ship. The trouble for this theory is timing: according to the USGS, no large releases of gas hydrates are believed to have happened in the Bermuda Triangle for the past 15,000 years.
The Stranger Theories: Atlantis, UFOs and Time Warps
Those who accept the mysterious Bermuda Triangle as a real phenomenon have offered bolder answers, and they deserve a fair hearing, along with what is known about each.
Atlantis. One explanation blames leftover technology from Atlantis, the lost city described by Plato. It often connects to the Bimini Road, a line of submerged rock off Bimini in the Bahamas, which sits inside the Triangle by some definitions. Followers of the purported psychic Edgar Cayce read his prediction that evidence of Atlantis would surface in 1968 as pointing to the Bimini Road. Believers describe it as a road or wall; geologists consider it a natural formation.
UFOs. Some writers link the losses to unidentified flying objects, part of a wider tradition explored in our UFO and UAP coverage. No documented case ties a specific disappearance to such a craft.
Parallel worlds and time warps. Others propose a parallel universe overlapping the region, a rift that pulls ships and planes out of our reality. Charles Berlitz catalogued several theories along these lines in his 1974 book. They are imaginative and impossible to test, which is exactly why they last.
The Devil’s Triangle is not unique in drawing these ideas. Japan’s Devil’s Sea has its own matching legend, covered in the Pacific Bermuda Triangle.
What Remains Unexplained, and Why the Legend Persists
The fair verdict is not that nothing strange ever happened. Real ships and aircraft were lost, and cases such as Flight 19 and USS Cyclops still carry an emotional weight that no statistic erases. What the record does not support is the idea that the region claims more than its share, or that these losses require a force unknown to science. The scientific paranormal investigator Benjamin Radford has made the point that a disappearance can be mysterious without being paranormal, and that the Triangle legend was largely built by people who failed to double-check their facts.
So why does the mysterious Bermuda Triangle endure? A few reasons stand out:
- The map flexes. With no fixed borders, every new loss nearby can be added and none ever has to be removed.
- Corrections travel slowly. A dramatic disappearance makes headlines; a quiet return to port or a later inquiry rarely does.
- Mystery sells. Skeptical researchers such as Ernest Taves and Barry Singer argued that the market rewards books and specials that support the legend over careful debunking.
- The ocean is genuinely vast. Wreckage sinks, currents scatter debris, and the unknown leaves space for imagination.
Common mistakes when weighing the story include treating every case in a list as verified, assuming a lost vessel “vanished without cause,” and forgetting how many thousands of uneventful crossings happen every year. A useful habit is to ask three questions of any case: where exactly did it happen, what was the weather, and what did the original report say? That approach works for conspiracy theories and modern legends alike.
Curious about the seafloor itself? Our guide to what’s inside the Bermuda Triangle covers the wrecks, reefs and deep basins. And for long-form conversations about ocean mysteries and the wider unexplained, the Troubled Minds Vault holds the radio show’s back catalog. The mysterious Bermuda Triangle may be a legend assembled from newspaper columns and paperback chapters, but the sea it describes is real, restless and still capable of keeping a few of its secrets.
Questions and answers
How big is the Bermuda Triangle?
There is no fixed answer, because the area has never had official borders. Writers who popularised the legend drew it differently, so estimates range from about 1.3 to 3.9 million square kilometres, roughly 0.5 to 1.5 million square miles. Some versions stretch it far beyond the classic Miami, Bermuda and San Juan corners, and one even reaches toward the coast of Ireland. Which wrecks count as Triangle cases depends on whose map is used.
Where is Bermuda located?
Bermuda is an island in the North Atlantic Ocean, and it forms the northern corner of the Triangle as the legend usually draws it. The other two corners are usually placed at Miami, Florida, and San Juan, Puerto Rico. The waters between them are among the busiest in the Atlantic, crossed daily by cargo ships, cruise liners, private yachts and commercial flights heading to and from the Caribbean.
Can you swim in the Bermuda Triangle?
Yes. The beaches of South Florida, the Bahamas and Puerto Rico all sit inside or along the usual boundaries, and millions of people swim there every year. Nothing about the water is unusual. The ordinary ocean hazards apply: rip currents, sudden squalls, strong currents such as the Gulf Stream offshore, and the need to follow local lifeguard warnings and flags.
What is found under the Bermuda Triangle?
Mostly ordinary seafloor: shallow banks and reefs near the Bahamas and Florida, and deep ocean basin farther out. There are shipwrecks, as in any heavily travelled sea. Offshore of the southeastern United States, the Blake Ridge area holds large stores of methane hydrates, a frozen form of natural gas. Off Bimini sits the rock formation called the Bimini Road, which geologists consider natural, not a sunken structure.
Has anyone survived the Bermuda Triangle?
Constantly. Ships and aircraft cross the region every day without incident, and people who were in real accidents there have been rescued. When the Pride of Baltimore sank in 1986 after a sudden violent wind, members of its crew lived to describe the squall. The Coast Guard also recovered bodies and photographed the wreck of the tanker V. A. Fogg, a case later retold as a mystery.
Is the Bermuda Triangle officially recognised?
No. The U.S. Board on Geographic Names does not list it as an official place, and the U.S. Navy, Coast Guard and NOAA all reject supernatural explanations. Lloyd's of London found no unusual number of sinkings there and does not charge higher insurance rates for crossing it. A 2013 World Wide Fund for Nature list of the world's most dangerous shipping waters did not include it.
Stay curious. Keep the question open.
Follow the evidence wherever it leads.
