Kayak dealers NZ

Hi there,
I'm new on the forum, I will be in NZ in june for 1 year and I'm looking for some kayak dealers. I didn't find anything on the web and I would like to know the prices new of the gear (boat, life jacket). Any dealers who sell the waka tuna? Is it better to buy second-hand?

Is there someone here who know something about it?

Thanks

See you next spring on the river .