The owner of this 155-meter long, steel yacht is Qaboos bin Said, the Sultan of Oman and its dependencies. According to the Business Insider, he is worth approximately $1.1 billion. It can fit 70 passengers and 154 crewmembers.
People aboard the Al Said experience full luxury as the yacht features a helipad, a cinema, and even a concert hall that can fit a 50-strong orchestra. It was launched in 2007, and is still one of the most expensive yachts in the world today.