"He kept screaming and screaming, he was just in this rage and he started bashing up all the windows. I kept telling Shenandoah to try and start the van up. By the time he got the van started there was glass all over us."
Their van had all its windows smashed, several panels dented, and the rear view mirrors knocked off.
Some Iranian tourists stopped and helped escort them back to Coromandel where they spoke to police.
Senior Sergeant Graham Shields said Thames police received a tip-off, and a 37-year-old man from Ohope will appear in court in Thames next month charged with criminal damage. Mr Shields said alcohol appeared to have been an aggravating factor.
Ms Graye said they were left with a $5000 repair bill to their van, but a Thames glass shop offered free labour and glass at wholesale price. A Thames officer arranged for them to stay with his mother, and they have been inundated with further offers of help. .
"We were sitting in the van covered in glass and trying to deal with this and we just thought at the time 'let's get out of here'," Ms Graye said. "But the reception we have had here, with everyone being so wonderful and up until that moment we had a good time, so no I can't say it's put us off New Zealand."