Anxious shoppers besieged Massy Stores Waterfront Supermarket Tuesday morning, forcing the outlet to slow down operations to manage the crowd, reports say.
Video recordings of agitated supermarket customers were posted on social media.
Similar scenes were reported elsewhere.
The developments came as the government Tuesday relaxed a 24-hour curfew to allow citizens the opportunity to buy essential supplies such as food and medication and visit the bank.
A new curfew is currently in effect from 7:00 PM to 5:00 AM.
But citizens say because of uncertainty over what lies in the future, they want to ensure that they are not caught off guard if more restrictions are imposed.
The government of Saint Lucia has implemented zones in order to curtail the spread of COVID-19.
Officials say the purpose of the two zones into which the Island has been divided is to limit the movement of persons which may put others at risk.
On Monday night Acting Police Commissioner Milton Desir said on national television that it is expected that persons will maintain their social distance at supermarkets.
“I must indicate now that we have officers who will be there on patrol to ensure that social distancing is maintained,” Desir told the nation.