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Royal Caribbean · Oasis class · In service

Harmony of the Seas

The short answerHarmony of the Seas is an Oasis-class Royal Caribbean ship that entered service in 2016. The specs on this page list 5,479 guests at double occupancy, up to 6,687 guests, and 18 decks. The listed status is In service. Amplified and still one of the best value Oasis-class options. Good at: Value against the newer Icon ships; Ultimate Abyss.
Guests, double
5,479
Max capacity
6,687
Decks
18
Entered service
2016

Full ship tour

Cruises It · walk every deck before you book

Our takeAmplified and still one of the best value Oasis-class options.

Good at

  • Value against the newer Icon ships
  • Ultimate Abyss

Watch for

  • Older cabins in unrefurbished categories

News

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Harmony of the Seas FAQ

How many guests does Harmony of the Seas hold?
Harmony of the Seas carries 5,479 guests at double occupancy, and up to 6,687 when every berth is filled.
When did Harmony of the Seas enter service?
Harmony of the Seas entered service in 2016 and is a Oasis-class ship.
Is there a full ship tour of Harmony of the Seas?
Yes. Cruises It filmed a full walkthrough of Harmony of the Seas, covering every deck. It is embedded on this page.

Sister ships in the Oasis class

Royal Caribbean guides

Last checked 2026-08-29