M/S Cristal
| Route | ? |
| IMO | 7827213 |
| Building year | 1992 |
| Building yard | Finnyards Rauma, Finland (#309) |
| Owner | Louis Cruise Lines |
| Operator | Louis Cruise Lines |
| Length | 158,88 m |
| Breadth | 25,18 m |
| Draft | 5,6 m |
| GT | 25.611 |
| Machinery | Pielstick |
| Speed | 21 kn. |
| Number of passengers | 1.452 / 1.200 |
| Number of beds | 1.452 / 1.200 |
| Number of cars | 0 |
| Lanemetres | 0 |
| Port of registry | Nassau |
| Flag | Bahamas |
| Former names | Opera (2006-2007) Silja Opera (2002-2006) - Silja Line Superstar Taurus (2000-2002) - Star Cruises Leeward (1995-2000) - Norweigan Cruise Line Sally Albatross (1992-1995) - Sally Cruise |
| Former owners | Sea Containers Ferries & Ports (2006-2007)
Silja Cruise AB (2002-2006) Silja Line Oy (1992-2002) |
| Sister ships | - |
| Notes | The hull under the car deck level and the engines was reused from the old Sally Albatross. |
- M/S Sally Albatross
Photo: Aker Finnyards
- M/S Superstar Taurus
Photo: Michael Koefoed-Hansen (København 14/2-2002)
- M/S Superstar Taurus
Photo: Michael Koefoed-Hansen (København 14/2-2002)
- M/S Silja Opera
Photo: Lasse Kaila
- M/S Silja Opera
Photo: Jakub Bogucki (Visby 9/8-2003)
- M/S Silja Opera
Photo: Jakub Bogucki (Visby 9/8-2003)
- M/S Silja Opera
Photo: Carsten Lüdtke (Helsinki 25/7-2005)