An Austria-based company called Migaloo is developing a massive superyacht for visionary billionaires ... The wished dimensions of the submarine-yacht hybrid, the exterior styling and the interior ...

An curved arrow pointing right. What billionaire super-yacht owner wouldn't want to outfit their vessel with their very own, personal submarine? Enter the DeepFlight Super Falcon from Hawkes Ocean ...

59-year-old British tech billionaire ... missing after a luxury boat sank on the coast of Sicily, Italy. Lynch is reported to ...

And these luxury vessels have only become larger, along with the demand, as the number of billionaires ... to include a submarine to explore the deep seas with their friends. "Yacht owners are ...