Carnival Dream is a Dream class cruise ship and is the latest in the Carnival Cruise Lines (NYSE) ships to enter the fleet; entered service on September 21, 2009. At 130,000 tons, she is the biggest the line has ever built. Her sister ships, Carnival Magic is expected to enter service in May 2011 while Carnival Breeze is expected out in Spring of 2012.

The ship has an array of cabins to choose from. The cabins ranges from interior staterooms to suites. In addition, the ship introduced newer forms of cabins for Carnival Cruise Lines. One new type of cabin is a deluxe ocean view stateroom. The deluxe ocean view stateroom has two separate washroom facilities. Another new cabin for the cruise line is cove balcony stateroom. The cove balcony stateroom has a partially enclosed veranda. The ship features special spa staterooms that are currently available on Carnival Splendor.
 Carnival Dream is the first Carnival ship to feature a water park with multiple slides as a newbuild. The ship uses a larger variation of the water park that was recently added to the Fantasy class ships. The ship features a 2-deck miniature golf course. The ship also features a wide outdoor promenade deck that includes an outdoor cafe and a whirlpool jacuzzi in four places along the outside edge of the deck.
  While the largest cruise ship operated by Carnival Cruise Lines, the ship will not be the largest in the world, being surpassed by Royal Caribbean International's Freedom-class, Oasis-class, and Voyager-class of ships; as well as Cunard Line's RMS Queen Mary 2; and Norwegian Cruise Line's Norwegian Epic. By comparison, Carnival Dream is roughly equal to Royal Caribbean International's Voyager-class. HoweverDream is 17 feet shorter, and 8,000 gross tons smaller.
 Carnival Dream is an all new class of ships for Carnival Cruise Lines. She features facilities similarly designed and used on the previous generations of Carnival ships while presenting a few new features. Significant alterations have been made to the public access areas of the ship like Deck 5, which has an exterior promenade that runs the entire perimeter of the ship.