It was part of investigations targeting groups in west Dublin and Meath
Gardaí have arrested two men and seized drugs with an estimated street value of €800,000 during an operation in Dublin.
It was part of ongoing investigations targeting organised crime groups based in west Dublin and Co Meath.
The operation was carried out on Monday August 21st.
During the operation two cars were stopped and searched on the M50.
Cannabis herb with an estimated street value of €80,000 was seized, along with €5,000 cash.
Two men, aged 47 and 58, were also arrested.
They are being held at Finglas garda station under Section 2 of the Criminal Justice Act.
They can be detained for up to seven days.
Follow up searches were later carried out at an apartment complex on the Navan Road, which saw the seizure of crystallized MDMA, cannabis resin and herb - with a total estimated street value of €720,000.
The operation was carried out by the Special Crime Task Force, Garda National Drugs and Organised Crime Bureau and a number of units based in the Dublin region.
Gardaí say the investigation is ongoing.