If you have an ISM Gift Voucher please enter the 10 digit code here. The full available balance on the Gift Voucher will be applied to the booking value.
PLEASE NOTE: For any ISM Vouchers issued by a third party (eg. Perfect Gift / Living Social / Groupon etc), please contact our Main Office at 01 864 1790 to make a booking. Only Vouchers actually issued from the ISM Shop will register as an actual booking.
ISM Customer Contact Centre