Main: Carentan harbour; bottom (l-r): Carentan's Arcades, Castle of Vierville
|Canton||Carentan-les-Marais and Pont-Hébert|
|Intercommunality||CC Baie du Cotentin|
|• Mayor (2020–2026)||Jean-Pierre Lhonneur|
|133.29 km2 (51.46 sq mi)|
|• Density||76/km2 (200/sq mi)|
|Time zone||UTC+01:00 (CET)|
|• Summer (DST)||UTC+02:00 (CEST)|
|Elevation||0–38 m (0–125 ft)|
|1 French Land Register data, which excludes lakes, ponds, glaciers > 1 km2 (0.386 sq mi or 247 acres) and river estuaries.|
Carentan-les-Marais is located in the middle of vast marsh remediated and transformed into rich meadows, at the confluence of the Taute and the Douve. The city, at the gateway to the Cotentin Peninsula and the Bay of Veys, is at the heart of the Regional Natural Park of the Cotentin and Bessin marshes.
The name of the commune refers to the marshes of Carentan.
The municipality was established on 1 January 2016 by merger of the former communes of Carentan (the seat), Angoville-au-Plain, Houesville, and Saint-Côme-du-Mont. On January 1, 2017, Brévands, Les Veys, and Saint-Pellerin joined the commune of Carentan. On January 1, 2019, Brucheville, Catz, Montmartin-en-Graignes, Saint-Hilaire-Petitville, and Vierville joined the commune of Carentan.
The communes of Carentan, Angoville-au-Plain, Houesville, Saint-Côme-du-Mont, Brévands, Les Veys, Saint-Pellerin Brucheville, Catz, Montmartin-en-Graignes, Saint-Hilaire-Petitville, and Vierville have become delegated communes.
The city has a railway station on the Paris–Le Havre railway, Paris - Cherbourg line and is crossed by the RN 13 and RN 174. It is served by public transport by bus (Manéo) via the line 001 Cherbourg-Octeville - Valognes - Carentan - Saint-Lo. Its port is connected to the sea by a canal.
|Level||Public establishments||Private establishments|
|School||Les Hauts Champs Public Primary School
Les Roseaux Public Primary School
|Notre Dame Private School Primary School|
|College||Léon Gambetta College||Notre Dame College|
|High school||Lycée Sivard de Beaulieu||Institution Notre-Dame - Professional High School|
|2016||Jean-Pierre Lhonneur||LR||Research and Development Manager, Delegate mayor of Carentan|
|Wikimedia Commons has media related to Carentan-les-Marais.|
- Carentan les Marais official website (in French)