Bon Voyage, Billionaires!

Article excerpt

Every summer, the world's mega-rich take to the high seas aboard floating palaces. From a Russian oligarch to a computer geek, who's got the biggest boat?

Eclipse 557 feet Russia Owner Oil tycoon Roman Abramovich, who also purchased an entire island in St. Petersburg for girlfriend, Dasha Zhukova. Fun fact The world's largest boat cost $500 million and comes equipped with its own missile-detection system.

Dubai 531 feet United Arab Emirates Owner U.A.E. Prime Minister Sheik Mohammed likes big toys: the world's tallest building and, for a time, the biggest yacht. Fun fact When the Eclipse was built, eclipsing his baby, the sheik set out to make his yacht the world's biggest again.

El Horriya 478 feet Egypt Owner El Horriya belongs to the Egyptian Navy these days, although it once served as the presidential yacht. Fun fact Built in 1865, the yachtmade history as the first boat to sail through the Suez Canal.

Al Salamah 457 feet Saudi Arabia Owner Saudi Crown Prince Sultan bin Abdulaziz, who is first in line for his country's throne. Fun fact When the octogenarian cruises the seas, he has a crew of 96 people on board.

Al Mirqab 436 feet Qatar Owner Sheik Hamad bin Khalifa al-Thani, the emir of Qatar, who has ruled the Gulf state since 1995. …