Remember that the ocean isn't flat. You want significant freeboard (height above the mean water level to the gunnels) to safely ride over waves...
Unless you make... a Submarine!!!
XD
Remember that the ocean isn't flat. You want significant freeboard (height above the mean water level to the gunnels) to safely ride over waves...
Unless you make... a Submarine!!!
XD
like this?

The typical owner would handle a submersible living space bubble habitat (i avoid the word submarine due to the misleading coffin perception) as a simple yacht that is in almost all of its aspects a yacht, just absolute storm safe, seasickness free, burglar safe, and maintenance cost free.
Sign me up - but paint mine yellow!
LOL yep!
Hmmm.. I coulda sworn that was Eric Clapton in a fake mustache at 1:28...