Symphony of the Seas is the largest and one of the most luxurious cruise ships in the world. ''Royal Carribean International'' 's cruise ship is 70 meters high and 362 in length and it's currently the largest ship in the world. In fact, it can accommodate 8880 people, including 2100 crew members, and it needs three engines that consume 5212 liters of diesel per hour.

Some of the ship's features are really unprecedented: the Ulitmate Family Suite of 125 sq. meters, a children's water park, an ice skating rink, a full-size basketball court, a whole wall dedicated to Lego fans, two climbing walls, and a cinema-type room complete with popcorn maker as well as many gaming systems. There is also a ''central park'' which contains over 20,000 tropical plants.

According to Wikipedia, his maiden voyage began on April 7, 2018, starting from Barcelona, ​​Spain, for a one-week trip to the Mediterranean.

This ship is highly rated by passengers as according to the Cruise Line database in 2019, included 410 reviews, has an average rating of 4.6 on a scale of 1-5.

Symphony of the Seas in 2018 reached places such as Philipsburg, Sint Maarten, Basseterre, Saint Kitts, San Juan, Puerto Rico, and Labadee, Haiti. The schedule included also  a Western Caribbean itinerary to Roatán, Honduras; Costa Maya, Mexico; Cozumel, Mexico; and Nassau, Bahamas. In May 2019 Nassau was replaced with Coco Cay, Bahamas.