Monopoli to Agropoli trains might be a good value for money solution: travelling in Italy by train is often rather cheap and faster than taking a bus indeed Trains leave from Monopoli and arrive at Agropoli-Castellabate every about 1 hour on average. If travelling with Trenitalia, you need to know the Monopoli to Agropoli train schedule: the first train leaves at 06:38, while the last ride is at 23:27. A Monopoli to Agropoli train cost about 22.35 €. But how long is the train ride from Monopoli to Agropoli? Your journey takes about 9 hours on average.