The dolmen in La Joselière is a burial monument which was built around 2500 B.C. during the Middle Neolithic period. It is located in the South-East of Pornic toward La Bernerie and accessible through the coastal path.

The dolmen of Le Prédaire is located in the South-East of Pornic towards La Bernerie on the seashore. It's set on a rocky ground called "Le Prédaire".

Le tumulus des Mousseaux, monument funéraire construit vers 3500 avant J.C, est situé à l'Ouest de Pornic, au nord du port de plaisance de "La Noëveillard".