How our Bliss Filters work
Detailed side-by-side comparison of Oceania Cruises and Viking Ocean Cruises cruise ships
| Specification | Sirena | Viking Mars |
|---|---|---|
| Cruise Line | Oceania Cruises | Viking Ocean Cruises |
| Maiden Voyage | 2016 | 2022 |
| Year Refurbished | N/A | N/A |
| Adults Only | No | No |
| Specification | Sirena | Viking Mars |
|---|---|---|
| Passenger Capacity | 684 | 930 |
| Crew Size | 400 | 465 |
| Guest-to-Crew Ratio | 1.71 | 2.00 |
| Specification | Sirena | Viking Mars |
|---|---|---|
| Gross Tonnage | 30,277 | 47,800 |
| Length | 594 ft | 745 ft |
| Width | 83 ft | 94 ft |
| Ship Size Category | Small | Medium |
| Number of Decks | 11 | 10 |
| Specification | Sirena | Viking Mars |
|---|---|---|
| Overall Cruiseable Rating | 9.0 / 10 | 10.0 / 10 |
| Roominess Score | N/A | 52.0 |
| Advised For | Cultural, staterooms, romantic, adults, spa and fitness, dining | Cultural, staterooms, romantic, adults, spa and fitness |
