In order to reach San Bartolomeo al Mare one can arrive by:

CAR: by the A10 Genova-Ventimiglia Autostrada dei Fiori freeway, taking the San Bartolomeo al Mare exit
BY PLANE : with the possibility of landing in Genoa, Nice or Villanova di Alberga
TRAIN : by getting off at the Diano Marina train station and from there getting to San Bartolomeo al Mare, which is about 1.5 km away, thanks to the car or bus service