How do I purchase Merlin Annual Pass friends and family tickets for The Coca-Cola London Eye? Friends and Family tickets need to be purchased at least 24 hours in advance. For more information on booking please click here Related articles How do I pre-book using my Merlin Annual Pass? Can we all enter the the Coca-Cola London Eye at the same time? Can I purchase Friends and Family Tickets, although I will not be attending with my Merlin Annual Pass? Can I use a 2 for 1 voucher at The Coca-Cola London Eye? How can I book my tickets to visit today?