The US list price for a Hobie 16 CompTip is $490.00

We offer a substantial discount (in the USA) when used for an original retrofit on an all aluminum mast. This is a safety issue... and a liability and Class racing issue here.

You cannot use those reasons in this case... and it is offshore. Maybe that is in Aussie dollars? The distributor for the South Pacific is of Australian facility.

Yes, freight and multiple import / export duties likely adds considerably to the cost overseas.