Masked shooters opened fire at a man in a shop at La Clery, Castries, on Monday night, hitting him once in the chest.
The victim was reported in stable condition following the shooting at about 8:00 pm.
The Castries headquarters of the Saint Lucia Fire Service (SLFS) said it received a call for help.
But when emergency responders arrived on the scene, the injured man had already been transported to the OKEU Hospital.
There are no further details at present.