How do I pre-book my visit to SEA LIFE Birmingham with my Merlin Annual Pass? Please book your time slot reservation via the Pre-book Portal. You can find further information here. Related articles Do you offer a carer ticket for guests with additional needs/accessibility requirements? What are your busiest times? How do I purchase Friends and Family tickets with my Merlin Pass for SEA LIFE Birmingham? How can I contact you with a guest enquiry? Why are tickets for some time slots slightly more expensive that others?