Longest ocean swim
Last updated: January 26, 2020 at 2:35 am
Veljko Rogošić (Croatia) swam 225 km (140 miles) from Grado to Riccione (Italy) without fins. The long-distance swim (50 hours 10 min.) across the Adriatic Sea took place from August 29-31, 2006.
Guinness World Records
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First to dive the Five Deeps
By Jeffrey Gallant
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Deepest submersible dive (Solo | Men)
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The Swire's snailfish (Pseudoliparis swirei) was captured on video at the depth of 8,178 m (26,831 ft) in 2017. This species, more commonly referred to as the Mariana snailfish [...]
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Deepest diving submersible (In service)
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The DSV Limiting Factor dived four times to the bottom of the Challenger Deep in April-May 2019, including the deepest dive ever made by a submersible [...]
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Deepest dive by a head of state
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Deepest watch (Prototype)
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Deepest point in Earth’s oceans
By Jeffrey Gallant
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Deepest submersible dive (Ocean)
By Jeffrey Gallant
10,925 m (35,843 ft) — Victor Vescovo (USA) aboard the DSV Limiting Factor (Triton 36000/2 model submersible) | April 28, 2019 | Challenger Deep [...]
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By Jeffrey Gallant
99 — William Lambert (USA) celebrated his 99th anniversary with a birthday dive in Pearl Lake, Illinois, on September 5, 2019. He remained at the depth of 9.7 m (32 ft) for 20 minutes [...]
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Fastest drift dive
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Largest jellyfish
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Deepest octopus
By Jeffrey Gallant
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First documented case of hydrogen psychosis
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Capt Steve Zissou suffered from the debilitating effects of Crazy Eye after witnessing the demise of his diving companion and partner, Esteban du Plantier [...]
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Clearest water
By Jeffrey Gallant
80 m (262 ft) or the approximate visibility of distilled water. A few locations are claimed to equal the visibility of distilled water, including the Weddell Sea (Antarctica), New Zealand’s [...]
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First underwater colony
By Jeffrey Gallant
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Most fin patents
By Jeffrey Gallant
Bob Evans (USA) — Since 1971, he has patented 33 revolutionary fin designs including the Force Fin Tan Delta (polyurethane) which is part of the permanent collections of the New York [...]
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Largest glacier calving ever filmed
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The largest glacier calving event ever recorded took place on May 28, 2008, when Adam LeWinter and Director Jeff Orlowski were filming the Ilulissat Glacier [...]
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First aquanaut (Men)
By Jeffrey Gallant
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Longest migration (Shark)
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Oldest active scuba club
By Jeffrey Gallant
1938 — Göteborgs Amatördykarklubb (Gothenburg Amateur Diving Club). The club, which was founded on October 22, 1938, began its activities after receiving two Le Prieur [...]
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Jeffrey Gallant is the Editor-in-Chief and Records Keeper of the Diving Almanac. He is also a contributing editor of DIVER Magazine, and the scientific director of the Greenland Shark and Elasmobranch Education and Research Group (GEERG). Jeffrey started diving in 1982.
