British diver Sean McGahern set a world record for the longest scuba dive in warm water. record of 49 hours and 56 minutes was set in the Mediterranean Sea off the coast of Malta. All this time the diver managed to not only eat, but even sleep at depth. Briton managed to beat the previous record of 48 hours and 8 minutes, set by Will Goodman in 2010. It is worth noting that in the past, Sean set record immersion in cold sea water – 12 hours and 34 minutes.