Do you have a re-entry policy? Tickets are valid for one entry only at your pre-book timeslot. You are unable to re-enter if you leave the attraction. Related articles How do I contact you with a guest enquiry? What is a Standard Entry ticket and what's included? I require a pro-forma invoice to complete payment for my booking? How do I redeem a 2 for 1 voucher at SEA Life Centre Manchester? Can I buy tickets online for the same day?