Key facts about John McCain:   * Republican nominee for the 2008 US presidential election.  * Has an IQ of 133  * Almost flunked out of the Naval Academy, graduating in tâ¦he bottom 0.5% of his class.
$4.8 BILLION: The History Supreme was made with solid gold and is the most expensive yacht in the world. It was reportedly sold to an anonymous Malaysian businessman in 2011. It comes with a glass-covered atrium for dining.
Largest speedboat. The Sea Screamer is the worldâs largest speed boat, as it is 72 feet long, 19 feet wide and weighs 82 tons. Built for dolphin tours in Clearwater, Florida, this boat can reach speeds of 35 miles per hour, is Coast Guard licensed and offers two bathrooms, as well as drinks and snacks.