National Manager Organised Crime Detective Superintendent Virginia Le Bas said the Head Hunters gang has a significant influence in the methamphetamine market.
"This drug is the root of so much misery. Kiwis from all walks of life have been caught in its grip and the downward spiral of meth addiction, " she said.
Odyssey House Trust meth help team co-ordinator Annabelle Harris said Christmas was a family time that could be very difficult for the relatives of users.
"Getting help for meth addiction doesn't mean going away to a clinic or hospital - we can offer long-term interventions over the phone, such as counselling, or if someone's detoxing we can text them each day."
Three of the 11 arrested made brief appearances in Whangarei District Court before Judge John McDonald.
Corey John Uren, 40, storeperson, of One Tree Point and 28-year-old forestry worker Tony Mataki-Kaiaruna, of Kaikohe, were remanded in custody until January 5, while cashier Rachael Thompson, 25, of Ruatangata West, was remanded on bail until January 5. Between them Uren and Mataki-Kaiaruna face 20 charges including joint charges of supplying meth, being part of an organised criminal group, conspiring to supply meth, manufacturing meth and conspiring to supply meth. Individually they both face charges of supplying meth which carries a sentence of life imprisonment.
The charges of supplying meth relate to Auckland and Whangarei and it appears the conspiracy to manufacture meth was between July 13 this year and December 17. Thompson faces charges of being part of an organised criminal group, possession of meth and money laundering.