The bricks of drugs found were stashed away at a house, according to local press.
Six men and a woman were busted during four raids, three in Canelones and one in Montevideo.
The Subrayado newspaper reported law enforcement officers managed to seize large amount of cash, weapons and motorcycles.
This has been one of largest drug seizures made in recent weeks.
According to local authorities, drug trafficking organizations use Uruguay as an export point to be shipped to Europe and Africa.
Drug market control among these groups has surged violence and homicide rates in Uruguay.
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