Two and a half times as many drugs were seized last year as in 2020.
Revenue says €115 million worth were recovered - compared to €45 million the previous year.
There was a seven-fold increase in cocaine and heroin seizures - with €72 million worth recovered in 2021.
Retired detective inspector, Pat Marry, says it's time to consider decriminalising the possession of cannabis and cocaine.
He says it's time had a "radical look" at the way we legislate against drug possession.
"Let's look at the likes of Portugal, where its been decriminlaised."
"No on has been arrested there for 16 years for the possession of drugs for personal use."