The "Compagnie des Autobus de Monaco" operates the Principality's transport network with 6 regular lines, 2 night lines and a maritime link crossing the Port Hercule with an electro-solar bus boat. The 6 bus lines run during the day 7 days a week.

Line 1: Monaco Ville - Saint Roman

Line 2: Monaco Ville - Jardin Exotique

Line 3: Fontvieille (Shopping Center) - Hector Otto

Line 4: Fontvieille (Shopping Center) - Saint Roman

Line 5: Hospital - Larvotto Plages

Line 6: Fontvieille (Shopping Center) - Larvotto Plages 

Line 7 : Place d'Armes - Crovetto

The bus boat allows the crossing of the port from the Quai des Etats-Unis to Quai Antoine 1er between 8:00 am and 8:00 pm. 2 evening bus lines serve the Principality from 9:30 pm to 1:20 am every day.

2 additional departures for each line are scheduled on Friday to Saturday and Saturday to Sunday.