More than 200 bags of cocaine were seized by police on Thursday morning.
The cocaine was seized from an address in Litherland after four adults were arrested for drug supply offences.
Two men, aged 22 and 30 from Litherland, a 26-year-old woman from Bootle and a 40-year-old woman from Litherland were arrested on suspicion of drug offences on Thursday September 30.
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Operation Pelican officers executed a warrant early on Thursday morning at the address in Litherland where they found the large amount of cocaine that had been bagged and separated ready for street level dealing.
All four adults remain in custody for questioning.
Further searches are set to take place as part of Operation Pelican.
Sefton police Facebook page wrote: "Operation Pelican Officers have this morning arrested four adults in the Litherland area.
"Arrested were 2 males aged 22 and 30 from Litherland, a 26-year-old female from Bootle and a 40-year-old female from Litherland all arrested for Drug Supply offences.
"Officers executed a warrant early this morning, during their search a large amount of cocaine was recovered from the address.
"As per the image below the cocaine had been bagged up and separated ready for street level dealing, it is believed in excess of 200 bags of cocaine have been seized.
"All four adults remain in custody for questioning with further searches taking place."
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