7. Al Said – $300 million
Al Said, owned by Haitham bin Tarik, the Sultan of Oman, was constructed in 2008. This impressive superyacht holds the distinction of being one of the longest in the world, measuring over 500 feet in length. With a capacity to accommodate up to 70 guests and a crew of 150, it offers ample space for luxurious living. While specific details about its amenities are not widely known, Al Said is renowned for its remarkable feature—a concert hall capable of hosting a full chamber orchestra.