If you are traveling over the Cook Strait and competing in motorsport sanctioned events, I have the discounted fares available with Interislander. This deal is Interislander's way of supporting all motorsport teams traveling between the North and South Island, please check it out.
I am an authorised Interislander booking agent, specialising in motorsport competitor crossings. Booking with me is safe and easy as you aren't required to pay until check in. The deal is also fully flexible and there are no extra charges or penalties for altering or even cancelling your bookings. Also payment is not required until check in where you pay Interislander direct.