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The Maldives is known for crystal clear water, luxury resorts, and some of the most beautiful dive sites on Earth. But in May 2026, one dive near Alimathaa Island turned into a disaster that investigators are still trying to fully understand.

This is the story of the Italian divers who entered the cave, the dangerous recovery that followed, and the unanswered question at the center of it all:

What really happened down there?

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Transcript
00:01Alimatha Island, a dive paradise in the Maldives.
00:04It looks calm and tropical, with dive boats moving through one of the most beautiful places
00:09on Earth.
00:10But divers who have worked there describe the Maldives very differently.
00:14Below the surface, near Alimatha and Vavu Atoll, there is a deep underwater cave system
00:20that normal recreational divers are not supposed to enter.
00:23The Maldives has a recreational diving limit of about 30 meters.
00:27This cave went far deeper.
00:30In May 2026, five Italian divers entered that system.
00:34None of them came back alive.
00:36And when rescuers went in after them, the cave proved it was not finished.
00:41Because the recovery turned into an extended ordeal that revealed just how dangerous that
00:47place really is.
00:48This is the true story of the Maldives dive disaster.
00:52Alimatha Island is not the kind of place that looks dangerous.
00:56From the surface, it looks calm, clean, and controlled.
01:00It has clear water, coral reefs, beautiful resorts, and the kind of tropical setting most
01:05people travel across the world to see.
01:08But that image can be misleading.
01:10The Maldives has a second layer beneath the postcard version.
01:14Many of its dive sites are shaped by current, channels, depth, and distance from help.
01:19A place that can look gentle from a boat can still become serious once the divers are below
01:24the surface.
01:25Near Alimatha, that danger, was concentrated in one place.
01:30Reports have used different names for it.
01:32Some have called it Dekanu Kandu.
01:34Others have called it Dihavana Kandu.
01:37And Thinwana Kandu.
01:38Or, most famously, and notoriously, Shark Cave.
01:42Because the reporting has not been consistent, the safest way to describe it is as a deep
01:47underwater cave system near Alimatha in Vavu Atoll.
01:51Whatever name you use, this was not a normal reef dive.
01:54From the reporting so far, this was not one simple hole in the reef.
01:58Dihavana Kandu was described as a deep underwater cave system, with the entrance roughly 50 meters,
02:06or about 164 feet, below the surface, and multiple chambers or rooms extending further
02:11inside.
02:12Some divers familiar with the site have described the first chamber as the only part where natural
02:17light still reaches, with deeper sections becoming dark, enclosed, and harder to navigate.
02:24These parts reach depths past 60 meters, or about 196 feet.
02:29In the Maldives, a Kandu is a channel.
02:32A break in the reef, where the water moves between the open ocean and inside of the atoll.
02:38These channels are part of what makes the Maldives diving so spectacular.
02:42Because they can bring in sharks, rays, and huge amounts of marine life.
02:46But, they are also why diving can become serious so quickly.
02:50The most claustrophobic part of a cave dive is not always the darkness.
02:55Sometimes, it is the squeeze.
02:57Some descriptions of the system mention restricted passages and bottlenecks.
03:02Places where the cave narrows, and a diver has to move carefully through that route to
03:07contort their body.
03:08At that point, the dive stops feeling like swimming, and starts feeling like fitting your
03:13body, your tank, your equipment, through a space that does not care if you make it.
03:18Cave divers train for restrictions because they can become fatal fast.
03:23A diver can wedge a tank, catch equipment, turn the wrong angle, or become too stressed
03:29to move carefully.
03:31And underwater, being stuck for even a few minutes is not just frightening.
03:36It's a death sentence.
03:38In a deep cave, a restriction does not have to trap someone forever.
03:42It only has to delay the group long enough for the numbers to turn against them.
03:47And just to put that in perspective, I dive myself, and this is not a depth I would even
03:52consider casually.
03:54For me, the risk would outweigh whatever there was to see down there.
03:58At that point, the dive is no longer just about whether something looks interesting.
04:02It's about whether you have the training, the equipment, a gas plan, and the margin to
04:08get back out if anything goes wrong, which it usually does.
04:12That depth alone changed the risk.
04:15But the bigger danger was not just deep water.
04:17It was deep water inside an overhead environment, where the surface was no longer directly above
04:22the divers.
04:24In open water, if something goes wrong, you just go straight up.
04:27Inside of a cave, the way out is back.
04:30And even with the right training, this is still a serious challenge that requires complete focus.
04:36That one detail changes everything.
04:38A missed turn, a change in visibility, a current that makes the movement harder.
04:42Some sort of gas issue or a diver struggling with equipment can become much harder to fix
04:47when the exit is not above you.
04:50Investigators still have not released a final cause of death, and the most important details
04:54remain unresolved.
04:56The gas, the equipment, the dive plan, the permits, and what the diver's computers may show.
05:00What is clear is that the five Italian divers entered that shark cave system near Lomatha,
05:06went far beyond the normal recreational limit, and did not come back.
05:10From the boat, there may have been no obvious signs of panic.
05:13No one calling for help.
05:14No one drifting to the surface.
05:16Just a group that had gone down and taking longer than what it should have.
05:20At first, the delay probably could have been explained away.
05:24Maybe they were taking longer than planned.
05:25Maybe they were doing a slow ascent.
05:27Who knows?
05:28But eventually, those explanations just stopped working, and when the missing divers were not
05:33at the surface, the search was not across the open water.
05:36It was inside that cave.
05:38This is when it stopped being a normal missing diver emergency.
05:41The boat was called the Duke of York.
05:43It was a liveaboard, the kind of vessel divers use when they want to spend days moving between
05:48dive sites without returning to shore.
05:50For most people, this is the dream version of diving in the Maldives.
05:54You wake up on the water, gear up, and drop into some of the cleanest ocean in the world.
05:59On this trip, there were about 20 other Italians on board.
06:03The group at the center of the disaster was not made up of random beginners.
06:07Some had real experience in the ocean.
06:09Some had years studying marine environments, and this is part of what makes this story so
06:13difficult.
06:14Because this was simply not just tourists who did not understand the water.
06:18One of them was Monica, an ecology professor at the University of Genoa, whose work focused
06:23on marine life and underwater ecosystems.
06:26That was her job.
06:27Where there was her daughter, Georgia.
06:29She was 23 years old.
06:30There was also Murrell, another researcher connected to the group, and Frederico, who had studied
06:36marine biology.
06:36Then there was Gianluca, the diving instructor.
06:40Some of the people on the Duke of York were connected to the University of Genoa Marine
06:44Research in the Maldives.
06:46Reporting has described a permit related for soft coral work.
06:50But the university later made an important distinction.
06:53The fatal dive itself was reportedly not part of the official research activity.
06:57That distinction matters because this did not just become a tragedy.
07:00It became a part of an investigation.
07:03Investigators still had to understand how a trip connected to research, tourism, and
07:08live-aboard diving ended with five people inside a deep cave system far beyond the normal
07:13recreational limit.
07:15Who knew that the dive was going that deep?
07:17None of the questions had simple answers.
07:20From the surface, the Duke of York looked like any other live-aboard in the Maldives.
07:24People were on board.
07:25Some were preparing to dive.
07:27Others stayed behind.
07:29Nothing about that kind of morning had to feel dramatic.
07:32Most dive accidents begin with no obvious panic.
07:35They begin routine.
07:36Gear checks, plans, assumptions.
07:38People just believing that the risk they are about to take is not a big deal.
07:42But because this group had experience, the story should not be treated like five careless
07:46people simply ignored danger.
07:48There are still too many unanswered questions for that, and no final report has explained
07:53exactly what they were breathing, what their computers recorded, or when the dive became
07:58impossible to survive.
07:59At some point that morning, the five divers prepared to enter the water from the Duke
08:03of York.
08:04From the surface, nothing about it seemed too strange.
08:08Gear was being checked, tanks were being prepared, and the group was getting ready for
08:11what probably looked like another dive in a place known for diving.
08:15And for the people still on the boat, there would have been no way for them to see the
08:19moment the dive changed.
08:21The divers dropped below the surface.
08:22A cave rescue diver, John Volanthin, said when asked about this case, in diving, depth generally
08:29equals danger.
08:30And being deep inside a cave adds to that danger significantly.
08:34At 50 meters, a diver is not breathing the same way they breathe near the surface.
08:39The deeper a diver goes, the more pressure there is, and every breath uses more gas from
08:44the tank.
08:44A tank that might feel comfortable in shallow water can disappear that much faster at depth,
08:49especially if someone is swimming hard, fighting current, breathing heavily, or trying to solve
08:55a problem.
08:56In the Maldives, current is not a small detail.
08:59A dive can begin with water that looks calm from the surface and then become physically
09:03demanding once the group is below.
09:05If a diver is pushed by current, pulled down by moving water, finning harder than expected,
09:10or trying to stay with the group, their breathing can rise without them fully realizing it.
09:15At shallow depth, that might not shorten the dive, but at 50 to 60 meters, it can change
09:20the whole calculation.
09:22A few extra minutes at that depth is not just a delay.
09:25The trap was actually the group itself.
09:28A dive team can make people safer, but it can also tie their fates together.
09:33If one diver has a problem, the others may stop to help.
09:36If one person burns through gas faster than expected, the whole group may lose time.
09:42If one person becomes confused, stressed, or affected by the depth, everyone else will
09:47have to respond inside the same dangerous space.
09:50On the Duke of York, the first sign that something was wrong might not have been dramatic.
09:55It would have been time.
09:56A dive has a loose rhythm.
09:58People know when a group enters the water, and they roughly know when the group should be
10:02back.
10:03At first, the delay is easy to explain.
10:06Maybe they had surfaced farther from the boat and were waiting to be picked up.
10:09If divers are carried away in open water, there might be something to see, or some small
10:14sign that they made it back up and are drifting somewhere beyond the boat.
10:18But if the divers are still inside the cave, the ocean can look completely normal, while everything
10:24below has gone already wrong.
10:25So the people on the Duke of York waited.
10:28Some would have checked the time, then checked it again.
10:32Some would have looked out over the water, scanning for movement, for bubbles, for a marker,
10:36for anything that could turn delay back into something ordinary.
10:39But nothing appeared.
10:40No group on the surface.
10:42No signal.
10:43No explanation.
10:44Eventually, the waiting stopped being waiting.
10:47It became an emergency.
10:48Then one body was found.
10:50It was Gianluca, the diving instructor.
10:52That discovery confirmed that this was no longer just an overdue dive.
10:56It was a fatal accident.
10:58But even then, the shape of what happened was still unclear.
11:02Reports have not fully agreed on exactly where Gianluca was found in relation to the cave.
11:07Some accounts place him closer to the entrance or exit.
11:10Others describe his recovery at significant depth inside the system.
11:14So the safest thing to say is that Gianluca was recovered first, and that the other four
11:20were still missing.
11:21And now, the search was no longer about finding five divers.
11:25It was about understanding why one had been found apart from the others, and whether the
11:29remaining four could be reached safely.
11:31At some point, the operation had to shift from rescue to recovery.
11:35But even that was not simple.
11:37The Duke of York was still there.
11:39The surviving passengers were still dealing with the shock of what happened.
11:43Authorities in the Maldives in Italy were now involved, and the university vessel, the
11:47operator, and the dive plan were all being pulled into a tragedy that was still unfolding
11:52underwater, and the cave was still holding the remaining four.
11:56To reach them, someone else would have to go in, and that is when the recovery itself
12:01became dangerous.
12:02At first, in any missing diver case, there is still the instinct to think in terms of rescue.
12:08Maybe the group found a way into another section of the cave.
12:11Maybe there was some detail no one understands yet.
12:14The longer Monica, Georgia, Morel, and Federico remained missing, the more the operation became
12:20about finding them, recovering them, and making sure no one else died trying.
12:25The Maldivian teams began the search, but every attempt to go further into the cave carried
12:30risk.
12:31They were not only trying to locate the missing divers, but they were trying to do it without
12:35turning the recovery into another emergency and dying themselves.
12:38One of the men involved in the effort was Mohamed Mahadi, a member of the Maldives National
12:43Defense Force.
12:45He went in as part of the recovery operation.
12:47The exact detail of his dive has not been fully made public, but reports says he suffered
12:53decompression sickness during the search and was taken for medical treatment, and that
12:58changed the entire story.
13:00Until then, the cave had taken the lives of the five people who entered it during the original
13:04dive, and now it had also killed one of the men sent in after them to bring them back.
13:10It was the second tragedy inside the same disaster.
13:14After Mohamed's death, the search had to change.
13:16The remaining four were still inside and the families were still waiting, but sending more
13:21people inside the same environment without a different plan could have the same thing happen
13:26again and make the disaster even worse.
13:29Authorities began working with outside specialists, including technical cave divers brought in
13:34to support from DAN Europe.
13:36DAN is the Divers Alert Network, which is a worldwide network that supports divers.
13:41These were divers trained for deep overhead spaces, long dive times, careful gas planning,
13:47decompression, navigation, and the discipline to turn back before the cave forces the decision.
13:53The Finnish divers who arrived used closed-circuit rebreathers, which can give trained divers more
13:59time and control underwater, especially in a deep cave where the ordinary equipment would
14:04not give enough margin.
14:06By then, the accident had become an international recovery operation.
14:10Maldivian authorities were involved, Italian officials were involved, Dan Europe was involved,
14:16and the Duke of York had become part of the investigation.
14:19When the Finnish technical cave divers entered the shark cave system near Alimitha, they were
14:25not searching blindly.
14:26They were trying to reach the part of the cave that the earlier teams had not been able to
14:30fully access.
14:31The third and the deepest segment of the cave, where the remaining four were believed to be.
14:37And this is where they found them.
14:39All four of them were located together in the third and deepest part of the cave.
14:43That detail is one of the hardest parts of the story because it gives the final scene a shape
14:48without actually explaining what happened.
14:50It does not provide who had the problem first, whether anyone tried to turn back, whether they
14:56lost the exit, or whether the gas became an issue, or whether something else caused the dive to fall
15:01apart.
15:02But it does suggest that all four of them reached the deeper part of the system and they were all
15:06in the same final area where they were found.
15:09They were not scattered across the reef.
15:11They were not found drifting somewhere outside the cave.
15:13They were together, deep inside it.
15:16Even then, the story was not over.
15:18The Finnish team had to bring them out in stages.
15:21According to the latest reporting, two of the four bodies were recovered on May 19th, making
15:26them the second and third victims brought out after Gianluca.
15:30The remaining two are still awaiting recovery or final confirmation, with another operation
15:35expected if conditions allow.
15:37Even once all of them are brought out, the larger question will still remain.
15:41Authorities still have to determine why the dive went that deep, whether the required
15:45permits were in place, what equipment the divers were using, what gas mix they were breathing,
15:50and whether or not the dive plan matched the conditions inside the cave.
15:53They also have to look at the evidence that may explain the sequence of events, the tanks,
15:58the remaining gas, the dive computers, any cameras, or recovered gear, and the autopsy findings.
16:04Right now, the most important question still does not confirm the answer.
16:07We know five Italian divers entered the shark cave system near Elimitha and did not survive.
16:12We know one body was recovered first.
16:15We know that there were four later together in the deepest part of the cave, and we know
16:19the recovery had to happen in stages, and that one military diver died trying to bring
16:24them back.
16:24But we still do not know the exact moment the dive became impossible to survive.
16:29Until investigations can answer that, the cave has only given back part of the story.
16:34And with that, I just want to thank you for watching the video.
16:37If you liked it, please hit the like button and subscribe if you want more.
16:41I look forward to seeing you at the next one.
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