Sausset-les-Pins is a commune of 7,278 people ( 2006 ) . It is found in the region Provence-Alpes-C Ã te d'Azur in the Bouches-du-Rh Ã ne department in the south of France . Sausset-les-Pins is a commune in the Bouches-du-Rh Ã ne department in southern France .