{{Short description|Submarine intended primarily for private or recreational use}} A '''personal submarine''' is a submarine, usually privately funded and constructed, which is usually primarily intended for recreational use.<ref name=":0">{{Cite news|url=https://www.forbes.com/sites/billspringer/2018/08/31/richard-branson-to-join-personal-submarine-expedition-to-the-bottom-of-the-blue-hole-in-belize/#14b3629764b7|title=Richard Branson To Join Personal Submarine Expedition To The Bottom Of The Blue Hole In Belize|last=Springer|first=Bill|date=2018-08-31|work=Forbes|access-date=2019-05-27}}</ref>
Some are also used for scientific<ref name=":0" /> or military<ref>{{Cite web|url=https://i-hls.com/archives/91242|title=Navy to 3D Print Personal Submarines for SEALs|last=newsdesk|first=iHLS|date=2019-05-09|website=iHLS|language=en-US|access-date=2019-05-27}}</ref> purposes.
Other uses include tourism, filming, water sporting, rescuing and spying. Some are as long as {{convert|285|m}} with capacity to stay underwater for several weeks (e.g. Migaloo submarine yacht). Those personal submarines which are available for sale cost from US$16,000 to 2+ Billion USD. A wide range of them is available from 1-person to 34+ occupants, some can go just 12 meters underwater and some can even reach to Mariana Trench.{{fact|date=September 2022}}
Such submarines can be designed from scratch by the builder or built to available plans.{{Citation needed|date=October 2015}}
==Records== {|class=wikitable |+Timeline of ''deepest dive, solo, in a submarine, men'' |- ! Date ! Depth ! Sub pilot ! Sub !width=30%| Notes |- | 1985 | {{convert|914|m|ft}} | Graham Hawkes | Deep Rover | <!-- through atleast 2010 --><ref name="nytimes.com">New York Times, [https://www.nytimes.com/1993/08/03/science/scientist-at-work-graham-hawkes-racing-to-the-bottom-of-the-deep-black-sea.html?pagewanted=all&src=pm "SCIENTIST AT WORK: Graham Hawkes; Racing to the Bottom Of the Deep, Black Sea"], William J. Broad, 1993 August 3</ref><ref>CNBC Magazine, [http://www.cnbcmagazine.com/story/hawkes-ocean-technologies/1198/1/ "Deep Water's New Horizon"] {{webarchive|url=https://web.archive.org/web/20110908215215/http://www.cnbcmagazine.com/story/hawkes-ocean-technologies/1198/1/ |date=2011-09-08 }}, September 2010</ref> |- | 6 March 2012 | {{convert|8166|m|ft}} | James Cameron | Deepsea Challenger | <ref>Gizmag, [http://www.gizmag.com/cameron-deepest-solo-sub-dive-deeper-on-way/21782/ "James Cameron performs deepest-ever solo sub dive, with a deeper one on the way"], Randolph Jonsson, 11 March 2012</ref> |- | 26 March 2012 | {{convert|10898|m|ft}} | James Cameron | Deepsea Challenger | Dive to the deepest point on Earth, the Challenger Deep.<ref>Gizmag, [http://www.gizmag.com/cameron-deepest-solo-dive/21940/ "James Cameron snags world record for deepest possible solo dive"], Randolph Jonsson, 25 March 2012</ref> |- |}
{|class=wikitable |+Timeline of ''deepest dive, solo, in a submarine, women'' |- ! Date ! Depth ! Sub pilot ! Sub !width=30%| Notes |- | 1986 | {{convert|1000|m|ft}} | Sylvia Earle | Deep Rover | Tied record set by Graham Hawkes in the same sub.<ref name="nytimes.com"/><ref>Burnaby Mail, [http://www.bunburymail.com.au/news/national/national/environment/her-deepness-drops-in-and-warns-of-growing-threat-to-the-oceans/2367293.aspx "Her Deepness drops in and warns of growing threat to the oceans"], Deborah Smith, 2011 November 23</ref> |- |}
==See also==
;Recreational submarines * Alicia (submarine) * DeepFlight Merlin and the first of the Merlin series, Necker Nymph * DeepFlight Super Falcon * K-250 Submarine
;Other submersibles * Diver propulsion vehicle * Midget submarine * Wet Nellie * DeepFlight Super Falcon
;Manufacturers and organizations * Personal Submersibles Organization * U-Boat Worx * Triton Submarines
==References== {{Reflist}}
{{DEFAULTSORT:Personal Submarine}} Category:Personal submarines
{{Submarine-stub}}