When departing from the Naples City Dock, we are restricted to a Maximum of 12 Passengers (regulated by NCD). When departing from a private dock or marina, we may carry up to 20 Passengers (regulated by the USCG). All Private Tour pricing includes up to 12 Passengers. Regular Tours are for up to 6 passengers, additional passengers beyond 6 are and additional $25.00 per hour per person. Pre-Scheduled Public Tours are priced per seat (4 passengers minimum in order for Pre-Scheduled Public Tour to run).