Do I need to pre-book entry with my Coca-Cola London Eye Annual Pass? Pre-booking is compulsory for London Eye Annual Pass holders. Pre-booking guarantees your entry at your preferred date and time. To pre-book, please visit here. Related articles How do I pre-book using my Merlin Annual Pass? What benefits to I get at the Coca-Cola London Eye with my Merlin Annual Pass? Can I buy tickets on the day? How do I purchase Merlin Annual Pass friends and family tickets for The Coca-Cola London Eye? Do you offer an Annual Pass for the Coca-Cola London Eye?