The SBU said it found over 250 kilogrammes of the drug hidden in “containers with bananas” during an inspection.
“A rapid analysis identified the packaged power as cocaine,” the SBU statement said.
“The total weight of the drug is 257 kilogrammes and its estimated cost on the black market is more than $51 million,” it added.
It said the drugs were planned to be shipped to European countries.
The security service opened a criminal case in drug smuggling on a large scale.
It also launched an investigation to identify individuals involved in the case.