Are there restrictions for using a Merlin Pass at SEA LIFE London Aquarium? For information regarding restrictions, please visit https://www.merlinannualpass.co.uk/ Related articles How do I purchase Friends and Family Tickets for SEA LIFE London Aquarium? Where can I find information on Merlin Passes? How do I contact you with a guest enquiry? Do I need to pre-book entry with my Merlin Pass? What if I'm running late for my time slot?