Now that you’ve settled on your next superyacht purchase or already own one, how about water toys? Jet skis and powerboats are so yesterday, why not get your very own submersible for the best ...

When it comes to owning a submarine, there’s always one nagging issue: You’re going to need a place to put it. But that isn’t really a problem for the latest personal sub by U-Boat Worx. That’s ...