Superyachts like these are incredibly detrimental to the environment. Billionaire's $250 million yacht draws backlash online: ...

But they may also want to include a submarine to explore the deep seas with their friends. "Yacht owners are, by and large, people who have an interest in the ocean," Patrick Lahey, founder of ...

Billionaire Larry Connor wants to prove that the deep-sea submersible industry is safe by diving to the Titanic wreck, just ...