If I visit for the last admission, how long will I have in the attraction? Last admission is 1 hour before closure - Therefore you will then have 1 hour to go around SEA LIFE Sydney. Related articles What if I'm running late for my time slot? Can I bring a pet into SEA LIFE Sydney? Can I take a pushchair or buggy into SEA LIFE Sydney? How do I contact your Customer Services team? How does the time slot system work and what time should I turn up?