How our Bliss Filters work
Detailed side-by-side comparison of Crystal and Royal Caribbean cruise ships
| Specification | Crystal Serenity | Harmony of the Seas |
|---|---|---|
| Cruise Line | Crystal | Royal Caribbean |
| Maiden Voyage | 2003 | 2016 |
| Year Refurbished | 2022 | N/A |
| Adults Only | No | No |
| Specification | Crystal Serenity | Harmony of the Seas |
|---|---|---|
| Passenger Capacity | 740 | 5,479 |
| Crew Size | 635 | 2,100 |
| Guest-to-Crew Ratio | 1.17 | 2.61 |
| Specification | Crystal Serenity | Harmony of the Seas |
|---|---|---|
| Gross Tonnage | 68,870 | 227,000 |
| Length | 820 ft | 1,188 ft |
| Width | 132 ft | 215 ft |
| Ship Size Category | Small | Mega |
| Number of Decks | 13 | 18 |
| Specification | Crystal Serenity | Harmony of the Seas |
|---|---|---|
| Overall Cruiseable Rating | 10.0 / 10 | 9.0 / 10 |
| Roominess Score | 93.0 | N/A |
| Advised For | Cultural, staterooms, romantic, entertainment, spa and fitness, dining | Party, families, entertainment |
