Cancellation Policies Cancellations can be made up to 24 hours before, with a charge of 20% of the total amount.Activity may be cancelled in case of bad weather or closed dock, but you can reschedule your tour for another day or you can request a refundIf canceled for medical reasons, a prescription is required to prove it.For any other reason, the 100% charge will be made and there will be no refund.If you want to reschedule your departure you can only 24 hours before.