How old do you need to be to enter the attraction unaccompanied without an Adult? All visitors under the age of 18 must be accompanied by an adult over the age of 18. Related articles Can children visit SEA LIFE Orlando Aquarium without an adult? Do children under the age of 2 need a ticket to enter SEA LIFE Orlando Aquarium? Do you offer any discounts for Florida residents at SEA LIFE Orlando Aquarium? Can a group of minors visit SEA LIFE Orlando without an adult? Is there a student discount available for SEA LIFE Orlando tickets?