Traveling between Castiglioncello and Livorno presents several train options, primarily operated by Trenitalia. The most popular choice is the Regional train, known for its affordability and frequent departures, making it ideal for budget travelers. For those seeking a faster journey, the Intercity service offers a quicker ride with fewer stops, providing added comfort. Each option caters to different preferences, ensuring an enjoyable trip along the scenic Tuscan coastline.