Pleas note, that this is self guided tour, you will have to get to the pier yourself. Be there 20 min earlier, so you could board the boat.
5 hours to 10 hours
6 hours to 8 hours
5 hours to 10 hours
2 hours 30 minutes to 3 hours 30 minutes
10 hours to 12 hours
1 hour 15 minutes
5 hours to 7 hours
5 hours to 6 hours