Sub Navigation Gift Vouchers Looking for that perfect gift? Why not buy an Interislander gift voucher? You can choose the value of your gift voucher in multiples of $10. The gift voucher will be a unique code which is entered on the Payment Details page of the booking process. For example, if your gift voucher was for $100 and your total booking cost was $125, the booking would be discounted by $100 leaving $25 to pay. Some terms and conditions: There is NO REFUND or RESIDUAL value if the value of the booking is less than the value of the gift voucher There is NO REFUND on the gift voucher value if the booking is subsequently changed or cancelled. Gift vouchers expire 2 (two) years after the date of issue. Gift vouchers can not be used with any other promo code offer. Gift vouchers can only be redeemed online (www.interislander.co.nz), through the Call Center (0800 802 802) or through our Gift Voucher desk (0800 68 68 65). The vouchers can not be redeemed onboard or at the Terminals