The ferry is not exclusive to P&O Cruises. Lunch is at your own expense. In the event of unfavorable sea conditions, the ferries/boat ride will be replaced by a train. If you wish to swim at Monterosso, wear your swimsuit under your clothing; bring a towel, sunscreen and a hat. Cinque Terre is crowded on holidays, and on Sundays in May. The Cinque Terre is a popular destination; expect crowding in the villages. You will likely encounter a long line while waiting to board the boat; boarding is strictly on a first-come, first-served basis.