Longest time spent living in an underwater habitat
- Richard Presley
- 69, 19 day(s), hour(s), minute(s)
- United States Key Largo
Richard Presley (USA) spent 69 days 19 min in a module underwater at a lagoon in Key Largo, Florida, USA from 6 May to 14 July 1992. The test was carried out as part of a mission entitled Project Atlantis which had as its aim to explore the human factors of living in an undersea environment.