Do I get any perks when visiting SEA LIFE Sydney with my Merlin Annual Pass? To find our more about the benefits, please see the full list here. Related articles Can I get discount tickets for other people with my Merlin Annual Pass? Are there any restriction dates for using my Merlin Annual Pass at SEA LIFE Sydney? How do I book a time slot with my Merlin Annual Pass or SEA LIFE Annual Pass? How do I collect my Merlin Annual Pass or SEA LIFE Annual Pass? How old can you be to enter the attraction unaccompanied?