Public ferry | Independent travellers who want coastal views | Scheduled harbour-to-harbour travel with open-sea scenery | Moderate | Seasonal and weather-dependent |
Shared boat tour | First-time visitors who prefer an organised route | Skipper-led journey with commentary and possible swim stops | Low to moderate | Route and timing are usually fixed |
Private boat trip | Families and small groups seeking a personal experience | More control over pace, route, and time on the water | High | Usually the most expensive choice |
Train | Travellers prioritising speed and reliability | Fast connections between all five cities | High | Misses the coastline views from the sea |