What payment cards do you accept for an online booking? We accept the following when completing a booking online: MasterCard Visa Union Pay Debit Related articles How do I redeem a 2 for 1 voucher or discount coupon at SEA LIFE Sydney? Why am I booking into a time slot? How do I contact your Customer Services team? Can I change the time/date of my booking? My voucher says I can use it online - where do I enter my code?