| U-boat | Date of entry | Notes |
| U-343 | 4 Jan 1944 | |
| U-952 | 4 Jan 1944 | |
| U-455 | 22 Jan 1944 | |
| U-969 | 3 Feb 1944 | |
| U-586 | 12 Feb 1944 | |
| U-967 | 14 Feb 1944 | |
| U-761 | 24 Feb 1944 | Sunk while attempting passage. |
| U-392 | 18 Mar 1944 | Sunk while attempting passage |
| U-421 | 22 Mar 1944 | |
| U-466 | 22 Mar 1944 | |
| U-471 | 1 Apr 1944 | |
| U-731 | 14 May 1944 | Sunk while attempting passage. |
During 1944 12 U-boats were sent towards the Straits of Gibraltar in an attempt to enter the Mediterranean. 9 of those managed to complete their passage while 3 were sunk at Gibraltar.
At the end of 1944 Germany had managed to get 62 U-boats into the Mediterranean.


