Found at the end of Victoria Pier is a unique Type 631 Casemate for a 4.7cm Pak K36(t) with a MG37(t) machine-gun.
This is a unique bunker in Jersey as it was combined with a L401 bunker for a 2cm Flakvierling (four barrelled gun on the roof).
The Harbour control tower was built on the top of this post war.