Gardaí say 98 people are now being questioned as part of a major crackdown on organised crime.
They have all been detained over the past 24 hours as the second phase of "Operation Wireless" continues.
Gardaí revealed last night that €3.5 million worth of cannabis had been seized in more than 230 searches across the country.
Various charges
The people being questioned are being held at a number of different stations on suspicion of a range of offences.
These include robbery, firearms possession and others relating to drugs.
Gardai say a substantial quantity of cannabis plants of approximately 4,200 have been seized at the various cannabis growhouses.
The premises searched were in Rathcormack, Cork, Clonroache, Wexford, Laytown and Dublin.