One even has a special deck that can be transformed into a nightclub, while others have multiple helicopter landing pads and submarines. We've rounded up some of the biggest yachts owned by tech ...

The massive, 155-meter yacht has space for 70 guests and 154 crew. It has a helicopter landing pad, elevator, and concert space that can accomodate a 50-piece orchestra. 8. Dubai is worth $300 ...

Bill Springer would rather be on a superyacht. And he often is. And since Jones’s yacht has two helicopter pads (one on foredeck and another on the aft deck), a large tender garage and dedicated ...

A lifeboat was launched with seven volunteers on board to search for the yacht, which had suffered mechanical and communication failure. A coastguard helicopter took one of the crew to hospital ...