This port is at the entrance to the salty swamp of La Baule. The village of Croisic is Tu 22 and has in the former fortress at Mont Lenigo a 502 and a Vf. Following the coast anticlockwise, we pass St Goustan (Tu 23) and end at Pointe du Grand Autel in a light anti-aircraft battery (Tu 500)
In the most narrow part of the peninsula on Pointe du Fort, you find Tu 25:
A 634 on the peninsula of Pen-Bron seen from Mont Lenigo in Croisic.