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? Are there any restriction dates for using my Merlin Annual Pass at SEA LIFE Sydney? Can I purchase a Merlin Annual Pass from SEA LIFE Sydney? Do I get any perks when visiting SEA LIFE Sydney with my Merlin Annual Pass?