How do I book a time slot with my Merlin Annual Pass? Due to capacity restrictions and to ensure social distancing, annual passholders must now all pre-book a time slot before visiting. Annual Pass holders must book in their time slot here. Related articles Where do I go to gain entry with my Merlin Annual Pass? How do I contact your Customer Services team? Can I change the time/date of my booking? Can I purchase a Merlin Annual Pass from SEA LIFE Sydney? Can I contact you using Live Chat?