Can I purchase a Merlin Annual Pass from SEA LIFE London? Yes, you can purchase a Merlin Annual Pass to be collected from SEA LIFE London. To book your Merlin Annual Pass, click here. Alternatively you can purchase your Merlin Annual Pass during your visit. Related articles Can I pre-book my visit with a Merlin Annual Pass? Why do I have to pay a £1 reservation fee? Can I redeem my 2 for 1 voucher online? Do Under 3's need a ticket? I use to have a Merlin Membership can I still get entry into SEA LIFE London?