Question 1

What is the population of Montmartin-sur-Mer?

Accepted Answer

The commune of Montmartin-sur-Mer has 1,413 inhabitants per the INSEE census.

Question 2

Are there natural risks in Montmartin-sur-Mer?

Accepted Answer

Yes, Montmartin-sur-Mer is exposed to 16 natural risk(s): Affaissements et effondrements d'origine anthropique (anciennes carrières souterraines, hors mines), Eboulement ou chutes de pierres et de blocs, Engins de guerre, Foudre, Grêle, Inondation, Mouvement de terrain, Neige et pluies verglaçantes, Par remontées de nappes naturelles, Par submersion marine, Par une crue à débordement lent de cours d'eau, Phénomène lié à l'atmosphère, Radon, Séisme, Tassements différentiels, Tempête et grains (vent). Source: Géorisques / GASPAR.

Question 3

What is the energy performance of homes in Montmartin-sur-Mer?

Accepted Answer

Out of 226 ADEME EPCs available in Montmartin-sur-Mer, the most common label is D. 5% are rated A or B.

Question 4

What is the crime rate in Montmartin-sur-Mer?

Accepted Answer

In 2025, the crime rate in Montmartin-sur-Mer was 53.3 offences per 1,000 inhabitants (burglaries, theft, violence, vandalism). Source: SSMSI / French Ministry of the Interior.

Question 5

Is the tap water safe to drink in Montmartin-sur-Mer?

Accepted Answer

Tap water in Montmartin-sur-Mer is compliant with quality standards. Source: ARS / Hub'eau. (55 analyses over 12 months)

Question 6

What is the air quality in Montmartin-sur-Mer?

Accepted Answer

According to LCSQA stations (5-year mean) in Montmartin-sur-Mer: PM2.5 : 8.6 µg/m³, NO₂ : 9.7 µg/m³, PM10 : 16.2 µg/m³. Source: LCSQA / Géod'air.