M/S Arion
| Route | ? |
| IMO | 6419057 |
| Building year | 1966 |
| Building yard | Brodogradiliste Uljanik, Croatia (#248) |
| Owner | Arcalia Shipping Co. |
| Operator | ? |
| Length | 116,82 m |
| Breadth | 16,54 m |
| Draft | 6,2 m |
| GT | 5.634 |
| Machinery | 2 * Sulzer-Jugoturbina |
| Speed | 18 kn. |
| Number of passengers | 338 |
| Number of beds | 338 |
| Number of cars | 0 |
| Lanemetres | 0 |
| Port of registry | Madeira |
| Flag | Portugal |
| Former names | Nautilus 2000 (1999) - ? Astra I (1996-1999) - Mono Co Astra (1991-1996) - Mono Co Istra (1966-1991) - Jadrolinija |
| Former owners | ? (1991-1999)
Jadranska Linijska Plovidba (1966-1991) |
| Sister ships | Dalmacija, |
| Notes | - |
- M/S Arion
Photo: Mathieu Burnel (Trieste 24/10-2010)
- M/S Arion
Photo: Mathieu Burnel (Itea 27/10-2010)
- M/S Arion
Photo: Mathieu Burnel (Santorin 30/10-2010)
- M/S Arion
Photo: Bo Randstedt (Göteborh 14/5-2012)
- M/S Arion
Photo: Bo Randstedt (Göteborh 14/5-2012)
- M/S Arion
Photo: Bo Randstedt (Göteborh 14/5-2012)