M/F Thalassitis
| Route | Piraeus - Chios - Mytilini - Limnos - Thessaloniki |
| IMO | 8604711 |
| Building year | 1988 |
| Building yard | Falkenbergs Varv, Sweden (#186) |
| Owner | Fleet Wave S.A. |
| Operator | Ainaftis |
| Length | 155,1 m |
| Breadth | 21,58 m |
| Draft | 5,1 m |
| GT | 14.417 |
| Machinery | 4 * Zgoda Sulzer 6ZL40 |
| Speed | 17 kn. |
| Number of passengers | 67 |
| Number of beds | 50 |
| Number of cars | ? |
| Lanemetres | 1.116 |
| Number of railway tracks | 5 |
| Length of railway tracks | 590 m |
| Port of registry | Limassol |
| Flag | Cyprus |
| Former names | Jan Sniadecki (1995-2024) - Unity Line Jan Sniadecki (1988-1995) - Polish Ocean Lines |
| Former owners | Balfer Co Ltd. (1995-2024)
Polish Ocean Lines (1988-1995) |
| Sister ships | - |
| Notes | - |
- M/F Jan Sniadecki
Photo: Unity Line
- M/F Jan Sniadecki
Photo: Michael Koefoed-Hansen (Ystad 23/9-2000)
- M/F Jan Sniadecki
Photo: Michael Koefoed-Hansen (Ystad 12/7-2003)
- M/F Jan Sniadecki
Photo: Michael Koefoed-Hansen (Ystad 12/7-2003)
- M/F Jan Sniadecki
Photo: Jakub Bogucki / GREEN SHIP (Ystad)
- M/F Jan Sniadecki
Photo: Mieczyslaw Tyburski (Swinoujscie 1/1-2007)
- M/F Jan Sniadecki
Photo: Dziuba Radosław (Swinoujscie 7/4-2007)
- M/F Jan Sniadecki
Photo: Henrik Wihlborg (Ystad)
- M/F Jan Sniadecki
Photo: Henrik Wihlborg (Ystad)
- M/F Jan Sniadecki
Photo: Michael Koefoed-Hansen (Ystad 15/3-2008)
- M/F Jan Sniadecki
Photo: Michael Koefoed-Hansen (Ystad 15/3-2008)
- M/F Jan Sniadecki
Photo: Michael Koefoed-Hansen (Ystad 15/3-2008)
- M/F Jan Sniadecki
Photo: Carsten Lüdtke (Ystad 23/7-2008)
- M/F Jan Sniadecki
Photo: Carsten Lüdtke (Ystad 23/7-2008)
- M/F Jan Sniadecki
Photo: Michael Koefoed-Hansen (Ystad 24/3-2013)
- M/F Jan Sniadecki
Photo: Michael Koefoed-Hansen (Ystad 24/3-2013)
- M/F Jan Sniadecki
Photo: Michael Koefoed-Hansen (Ystad 24/3-2013)
- M/F Jan Sniadecki
Photo: Michael Koefoed-Hansen (Ystad 24/3-2013)
- M/F Jan Sniadecki
Photo: Michael Koefoed-Hansen (Ystad 24/3-2013)
- M/F Jan Sniadecki
Photo: Michael Koefoed-Hansen (Ystad 25/8-2018)
- M/F Jan Sniadecki
Photo: Michael Koefoed-Hansen (Ystad 25/8-2018)
- M/F Jan Sniadecki
Photo: Michael Koefoed-Hansen (Ystad 25/8-2018)
- M/F Jan Sniadecki
Photo: Kenneth Gudbergsen (Ystad 19/6-2020)
- M/F Thalassitis
Photo: Göran Olsson (Helsingborg, 8/2-2024 )