What are the conditions for adult and child fares? About fares and discounts Adult = middle school students and older (12 years or older, except elementary students)Child = elementary students Infants (children age 1-6 who are not yet in school) and newborns (children less than 1 year old) may board for free.However, child fare will be charged in the following cases. 1. The infant or newborn will use a seat by themselves (car ferry first class, jetfoil).2. For car ferry 2nd class, the 3rd infant (and subsequent infants) accompanied by 1 adult. For car ferry first class and above, jetfoil, the 2nd infant (and subsequent infants) accompanied by 1 adult.3. And infant boarding unaccompanied by an adult. Return to FAQ Top