M/F Northern Adventure
| Route | Port Hardy - Prince Rupert - Graham Island (Skidegate) |
| IMO | 9257735 |
| Building year | 2004 |
| Building yard | Atsalakis, Greece (#10) |
| Owner | British Columbia Ferry Service |
| Operator | BC Ferries |
| Length | 117,0 m |
| Breadth | 20,0 m |
| Draft | 4,5 m |
| GT | 9.844 |
| Machinery | 2 * MaK 16M32C |
| Speed | 23 kn. |
| Number of passengers | 1.200 / 640 |
| Number of beds | 304 |
| Number of cars | 200 / 87 |
| Lanemetres | ? |
| Port of registry | Victoria |
| Flag | Canada |
| Former names | Sonia (2006-2007) - BC Ferries Sonia-X (2006) - Balearia Sonia (2006) - Balearia Sonia (2004-2006) - Trinidad & Tobago Inter-Island Transportation Adamantios Korais (2004) Sonia (2004) - TTT Lines Adamantios Korais (2004) |
| Former owners | Eurolineas Maritimas (2006)
Achieva Shipping (2005-2006) Tomasos Transporto & Tourism (2005) Italohellenic Tourist Ent (2004-2005) TTT Lines (2004) Tomasos Brothers Inc (2004) |
| Sister ships | - |
| Notes | - |
- M/F Sonia
Photo: Balearia
- M/F Sonia
Photo: Javier Ortega Figueiral (Ibiza)
- M/F Sonia-X
Photo: Balearia
- M/F Sonia-X
Photo: Balearia
- M/F Sonia-X
Photo: Balearia
- M/F Sonia-X
Photo: Balearia
- M/F Northern Adventure
Photo: BC Ferries