Suggested read: Royal Caribbean Ships by Age How big is Anthem of the Seas?Īnthem of the Seas is considered to be a large cruise ship with a length of 1,141 feet and an internal volume of 168,666 gross tonnes. Alongside Anthem of the Seas, the almost-identical Quantum-class ships are Quantum of the Seas and Ovation of the Seas. Launched in 2015, she is the only Royal Caribbean ship that sails from the UK, making her a very popular choice with British cruisers during the summer cruise season.Īnthem of the Seas is a groundbreaking ship with next-generation features that had never been seen before. Anthem of the Seas is one of Royal Caribbean’s Quantum-class cruise ships.