Sea.Hear.Now is an all ages event. There is no minimum age to attend. However, children 8 years old and under (at the time of the festival) may attend without a ticket as long as they are accompanied by a ticket-holding adult. The limit is 2 children per ticket-holding adult.
Platinum Kids Policy: Children 2 years old and under are free with a ticketed adult. All guests aged 3 or older must have a Platinum ticket.