A strategic gateway
The sea gateway was modified many times. It was composed of a series of immobile bridges and drawbridges that lead directly to the dry port. A small castellum, formed by a stone ground floor constituted a first fortified gateway. Some parts of the masonry of the gateway still exist.
![La Porte De La Mer Détail D’une Gravure Du Xixe Siècle © William Skelton (1](https://www.tourisme-coutances.fr/app/uploads/coutances/2021/11/thumbs/la-porte-de-la-mer-detail-dune-gravure-du-xixe-siecle-william-skelton-1-1-640x480.jpg)