How our Bliss Filters work
Detailed side-by-side comparison of Royal Caribbean and Princess Cruises cruise ships
| Specification | Mariner of the Seas | Star Princess |
|---|---|---|
| Cruise Line | Royal Caribbean | Princess Cruises |
| Maiden Voyage | 2002 | 2025 |
| Year Refurbished | 2018 | N/A |
| Adults Only | No | No |
| Specification | Mariner of the Seas | Star Princess |
|---|---|---|
| Passenger Capacity | 3,114 | 4,320 |
| Crew Size | 1,185 | 1,550 |
| Guest-to-Crew Ratio | 2.63 | 2.79 |
| Specification | Mariner of the Seas | Star Princess |
|---|---|---|
| Gross Tonnage | 138,279 | 175,500 |
| Length | 1,020 ft | 1,132 ft |
| Width | 157 ft | 150 ft |
| Ship Size Category | Large | Mega |
| Number of Decks | 15 | 21 |
| Specification | Mariner of the Seas | Star Princess |
|---|---|---|
| Overall Cruiseable Rating | 10.0 / 10 | 8.0 / 10 |
| Roominess Score | N/A | 34.0 |
| Advised For | Staterooms, families, spa and fitness | Staterooms, romantic, entertainment, dining |
