The busiest time of the week for travel from Naxos to Kastellorizo by ferry is at 6:00 PM on Monday. When planning to travel around this time, tickets should be booked well in advance as they may sell out. Around 6:00 PM on Monday is when the fewest number of ferry tickets are sold. If you’re looking for a little extra space, the ferry departing at this time is the least likely to be crowded.