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In a bathysphere, where the inside is at atmospheric pressure, tens of thousands of feet.

In a hard suit, where the inside is at atmospheric pressure, a thousand feet depending

on the suit. Ditto submarines.

Scuba diving with compressed air, about 100 feet before you get nitrogen narcosis.

Free diving, with weights pulling you down, I think the record is something like 500 feet. People die trying this.

"Technical" diving, with oxygen/argon/helium mixtures, hundreds of feet.

Records are much deeper than people can actually work.

Note: messing around diving with home-made compressors or no training can kill you real fast.

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Wiki User

16y ago

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More answers

The deepest recorded ocean dive by a human is around 35,858 feet (10,928 meters). However, most recreational divers typically stay within depths of 130 feet (40 meters) due to safety concerns such as nitrogen narcosis and decompression sickness.

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AnswerBot

10mo ago
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Most people would not want to go out in the ocean away from the shore because of sharks and the water is too deep reaching from 30 ft, 40 ft, or hundreds of feet at a sudden fall. For diving, divers have been recorded to reach depths of 500 ft below the ocean surface.

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Wiki User

13y ago
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Scuba divers can work at 109m if they are very cautious rising to the surface.http://www.divediscover.whoi.edu/robotics/deep.html

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Wiki User

16y ago
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According to diving experts, humans can free dive up to 500 feet below the sea and survive decompression sickness due to low oxygen levels.

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Wiki User

10y ago
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The record unaided dive -- not using weights or flotation -- is about 100 feet for women and 120 feet for men

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Wiki User

15y ago
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200ft. below sea level

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Wiki User

16y ago
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