St. Croix
| Name | St. Croix |
| Type | Steamer |
| GRT | 2,530 tons |
| Country |  Norwegian |
| Built | 1907 |
| Builder | Akt. Burmeister & Wain, Copenhagen |
| Operator | D/S A/S Otto Thoresens Linie, Christiania |
| History | Cargo vessel with passenger accomidations. |
U-boat attacks on Steamer St. Croix
| Date | U-boat | Loss type | Position | Location | Route | Cargo | Casualties | |
| 1 | 12 Dec 1917 | U 60 (Franz Grünert) | Sunk | Torpedoed 13 miles NW of Trevose Head | 50° 49'N, 4° 49'W | Göteborg - Pasajes | wood pulp | 2 |
| Sank the next day while under tow 10 miles SWxW of Hartland Point. | ||||||||
Position of attack on St. Croix
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