Earlier quoted context omitted.
"I don't know if a project like that can actually happen in the observable future." Why not give him a try raising enough money to accomplish it? In todays time anything can go viral quickly. Maybe it will be only enough for a small, limited one? Maybe only design work? If you support maritime exploration, why not out of general principle also this? Maybe it goes off. In the context of saving the oceans and climate c…
Heck, let him go to #kickstarter for it and sell everything from souvenirs to actual trips to the facility. his customers can include full on science groups to everyday citizens with obvious disclaimers you have to meet specific medical requirements.
This project will need $135 million, and it's not clear even that will be enough, but my guess is no. For reference, estimates put the actual ISS cost around 150 000 million (150 billion)