How big can a yacht get? When it comes to billion-dollar yachts, the answer is mind-boggling. These floating palaces stretch over 500 feet, boasting multiple decks, swimming pools, helipads, and even private submarines. With enough space to accommodate dozens of guests and a small army of crew members, these luxurious vessels redefine opulence on the open seas. It’s a world where size truly matters, and it seems there’s no limit to the massive dreams that money can buy.