Can I buy tickets online for the same day? Yes you can. Please be aware that purchases for use on the same day have a reduced discount but are still cheaper than our regular Walk Up prices. Click here to book and guarantee your entry. Related articles What is Manly SEA LIFE Sanctuary? Do you have a re-entry policy? How can I get to Manly SEA LIFE Sanctuary by car? How much are tickets for entry? Can I contact you by Live Chat?