A Very Long Engagement was filmed in Pleubian, France.
Héaux de Bréhat lighthouse
In movie
Scene where For as long as they've known each other Mathilde and Manech have wanted to get married. They share wonderful moments at the lighthouse.
Real
Scene was shot The light was finally lit for the first time in February 1840. In 1944 the tower was blown up by the Germans. A part of the lighthouse was destroyed, but it was rebuilt. It was classified as a monument historique in 2011. The lighthouse is closed to the public.