Police are investigating a homicide on Waterworks Road, Castries, Monday night.
The victim was identified by law enforcement officials as Hendi Calderon, 20.
He is reported to have been shot about 9.00 pm.
It is the second homicide recorded for the year so far.
On Sunday, police launched an investigation after British national, Robert Hathaway, 66, was found dead at his home by a neighbour around midday.
The body was covered in blood, a senior law enforcement official said.