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Explorer of the Seas vs Mariner of the Seas
- Mariner of the Seas is the bigger ship: 139,863 gross tons vs 137,308, about 2% larger.
- Mariner of the Seas is newer (2003) than Explorer of the Seas (2000).
- Mariner of the Seas carries more guests: 3,344 vs 3,286 (double occupancy).
- Explorer of the Seas has more crew per guest (2.77 guests per crew member vs 2.79).
| Explorer of the Seas | Mariner of the Seas | |
|---|---|---|
| Cruise line | Royal Caribbean | Royal Caribbean |
| Ship class | Voyager Class | Voyager Class |
| Entered service | 2000 | 2003 ● |
| Gross tonnage | 137,308 | 139,863 ● |
| Guests | 3,286 (double occupancy) | 3,344 (double occupancy) ● |
| Crew | 1,185 | 1,200 ● |
| Guests per crew member | 2.77 ● | 2.79 |
| Decks | 15 | 15 |
| Staterooms | 1,643 | 1,675 ● |
| Length | 1,020 ft (310 m) | 1,020 ft (310 m) |
● = higher (or, for guests per crew member, lower) of the two. Figures from each line's own source: Explorer of the Seas, Mariner of the Seas (accessed Oct 26, 2026).
Features only one ship lists
Mariner of the Seas: Laser tag, Escape room, Sky Pad bungee trampoline
From each ship's official fact sheet.
FAQ
Which is bigger, Explorer of the Seas or Mariner of the Seas?
Mariner of the Seas is the bigger ship: 139,863 gross tons vs 137,308, about 2% larger.
Which is newer, Explorer of the Seas or Mariner of the Seas?
Mariner of the Seas is newer (2003) than Explorer of the Seas (2000).
Which ship holds more passengers?
Explorer of the Seas: 3,286 (double occupancy). Mariner of the Seas: 3,344 (double occupancy).
Which ship has more crew per guest?
Explorer of the Seas has more crew per guest (2.77 guests per crew member vs 2.79), calculated from each line's published guest and crew figures.
More comparisons
Explorer of the Seas facts · Mariner of the Seas facts · Royal Caribbean ships