Minnetonka
| Name | Minnetonka |
| Type | Passenger steamer |
| GRT | 13,528 tons (one of the largest ships hit) |
| Country |  British |
| Built | 1902 |
| Builder | Harland & Wolff, Ltd., Belfast |
| Operator | Atlantic Transport Co., Ltd., Belfast (London) |
| History |
U-boat attacks on Passenger steamer Minnetonka
| Date | U-boat | Loss type | Position | Location | Route | Cargo | Casualties | |
| 1 | 30 Jan 1918 | U 64 (Robert Moraht) | Sunk | 40 miles ENE of Malta. 36.17N, 15.13E per KTB | 36° 12'N, 14° 55'E | Port Said - Marseille | mails | 4 |
| Ten crew taken prisoner. | ||||||||
Position of attack on Minnetonka
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