Arson has not been ruled out in a fire at the Off the Hook Bar in Grande Riviere, Gros Islet, according to investigating officials.
The bar has been closed since February this year.
Residents of the area reported seeing smoke and flames emanating from the building about 3.00 am Tuesday.
They summoned the Saint Lucia Fire Service which was able to contain the blaze.
The building was partially destroyed, but fire consumed the contents inside the business establishment.