Is SEA LIFE Sydney suitable for children? Yes - SEA LIFE Sydney is suitable for all ages. There is plenty for Children to see and do throughout the whole attraction. Related articles What can you do at SEA LIFE Sydney? What is The Penguin Expedition Ride? How long does it take to go around SEA LIFE Sydney? What is a Merlin annual pass/what's included with a Merlin Annual Pass? What's included in a Premium Birthday Package?