| Name: | CARDIFF CASTLE |
| Type: | Fishing Vessel |
| Launched: | 16/05/1907 |
| Completed: | 07/1907 |
| Builder: | Smith's Dock Co Ltd |
| Yard: | North Shields |
| Yard Number: | 351 |
| Dimensions: | 255grt, 109nrt, 120.5 x 22.1 x 11.7ft |
| Engines: | T3cyl (12.5, 20 & 34 x 24ins), 57nhp |
| Engines by: | Shields Engineering Co Ltd, North Shields |
| Propulsion: | 1 x Screw |
| Construction: | Steel |
| Reg Number: | 124715 |
| History: | |
| 07/1907 | Castle Steam Trawlers Ltd (C Heron), Swansea |
| by 1927 | Pescaderias Corufiesas SA, San Sebastian; renamed FINA |
| 1930 | J Arcelus, San Sebastian |
| 1942 | Jose Chas Rodriguez, San Sebastian |
| by 1959 | Dionisio Tejero Peréz, Corunna |
| No later history known | |
| Comments: | 1907: Assigned fishing registration number SA66 at Swansea |
| 11/1914: Hired by the Admiralty | |
| 1919: Returned to owners | |
| Not found in LR 1964 |