Joaquina
| Name | Joaquina |
| Type | Sailing vessel |
| GRT | 69 tons |
| Country |  Spanish |
| Built | |
| Builder | |
| Operator | |
| History |
U-boat attacks on Sailing vessel Joaquina
| Date | U-boat | Loss type | Position | Location | Route | Cargo | Casualties | |
| 1 | 23 Sep 1917 | UC 27 (Gerhard Schulz) | Sunk | 8 miles off Cadaques | ||||
| date per Spindler 18.9 | ||||||||
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