Longest underwater distance without surfacing
Last updated: March 27, 2019 at 2:57 am
106 km (66 miles) — In 1977, Neal Watson (USA) swam without surfacing from Marathon (Florida Keys) to Miami in 19.5 hours.
Up from the deep twenty years ago, Neal Watson went where no scuba diver had gone before. Even more remarkable, he lived to tell about it. South Florida SunSentinel | October 9, 1988.
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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.
