They seized a total of 3kg of P and several thousand dollars in cash, police said.
The methamphetamine has a street value of over $2m.
Police said they continued to be "committed to identifying and disrupting criminal
syndicates involved in large scale drug distribution".
"Anyone with information about the sale and supply of illegal substances in the community should contact their local Police station, or phone Crimestoppers anonymously on 0800 555 111."
They urged anyone affected by drug addiction to seek help through the Alcohol and Drug Helpline on 0800 787 797, or free text 1737 to speak with a trained counsellor.