Guys from Vic and SA warning of sharks in Cairns??? um yup...!
Watch out for those drop bears and hoop snakes as well......

I haven't kited Cairns but have spent time there as far as I know the stinger season is a little way off yet so no problems there, crocs are not a major issue just stay away from river mouths. And sharks are a no more of a problem than anywhere else. I haven't heard of a kiter being taken by a shark anywhere -ever.
Local knowledge is good though so hopefully the guys up there will catch this thread soon. Failing that do a search on Cairns and Yorkey's Knob and send some PM's, I am sure you will be able to hook up with them.