Where can I find more information about Merlin Pass? To find out more about a Merlin Annual Pass or Merlin Monthly Membership, you can visit the Merlin Annual Pass website. Related articles Can I pre-book my visit with a Merlin Pass? Can I purchase a Merlin Pass from SEA LIFE London Aquarium? How do I redeem my Premium Merlin Pass Share the Fun Vouchers for SEA LIFE London Aquarium? Why do I have to pay a £1 reservation fee as a Merlin Pass Holder? What happens if I can no longer make the time/day of my booking?