With nearly 740 balcony staterooms, the Princess Cruises Diamond Princess was built in 2004 and carries 2,670 passengers. Weighing 116,000 tons, the Diamond Princess features four swimming pools, a casino, several dining options, entertainment venues, and much more. Kids and teens onboard will find 9,686 square feet of space dedicated to them, including an entire pool. For relaxation, the Lotus Spa features a hair salon, and health center. The Diamond Princess also offers one of the largest Internet cafés at sea, with 29 computers for guests to use.