Fitzroy Island Adventues requires you to check in on board your vessel at the Cairns Marlin Marina, 1 Spence Street. Those under 16 years must travel with a guardian or parent. Infants (0-3 years old) travel free on Fitzroy Island Adventures but must be pre-booked. Please note that rental of snorkel gear is subject to additional AUD 35 per pax, and will be available on the vessel.