When is SEA LIFE Sydney open? Opening times at SEA LIFE Sydney vary throughout the year. For our opening times please follow the link - https://www.sydneyaquarium.com.au/plan/opening-hours/ Related articles What is Admission plus Glass Bottom Boat? I have lost property, who do I contact? How do I contact your Customer Services team? How do I redeem my McDonald's Monopoly voucher for entry to SEA LIFE Sydney? Can I contact you using Live Chat?