At this point wouldn’t it be profitable to buy an old cruise ship and park it offshore and sell living space? Give folks a high speed ferry running back and forth.
I don't know, building a mile high building in the ocean doesn't sound so crazy anymore for San Fran.
Like this: https://www.telegraph.co.uk/travel/news/Tokyos-mile-high-sky...
The resistance to adding more housing is amazingly strong. Can't stop the gravy train!