OCEAN GUARDIAN - IMO 9761401- 
| Name | : | OCEAN GUARDIAN |
| Former names | : | Biscay Sentinel (2018-2023) |
| IMO number | : | 9761401 |
| Type | : | offshore supply vessel, European fishery inspection |
| Built | : | 2018 |
| Length | : | 62 m |
| Beam | : | 15,5m |
| Draught | : | 4,6 m |
| Speed | : | 13 knots |
| Accommodation | : | 4 x 1 cabins, 13 x 2 cabins, total 30 |
| Manager/operator | : | Sentinel Marine, HQ: Aberdeen - United Kingdom / European Fisheries Control Agency |
| Flag | : | Portugal |
| Port of registry | : | Madeira |
