This harbour has three strongpoints. 3 FT 17 tank cupolas were to be found on St Aubin's Fort, one can be seen in one of the Society's bunkers in St Ouen's Bay while the other was smashed by vandals. The Jäger here covered St Aubin's Bay. Wn Aubin Ort has the extensive Hohlgang number 5. A 4.7 cm (f) Pak covers the entrance of the harbour.