Map of Gros Islet, Saint Lucia

Gros Islet is the administrative centre of Gros-Islet, Saint Lucia, with a population of about 25,210. It lies at 14.0667°N, 60.9500°W. Gros Islet is about 10 km (6 mi) northeast of Castries, the capital. The nearest city on our map is Bisee, 5 km to the southwest.

Gros Islet at a glance

Where is Gros Islet?

• The largest city in Saint Lucia by recorded population.
• Located in the Northern and Western hemispheres.
• Daylight ranges from about 11 h 18 min on the shortest day to 12 h 57 min on the longest day (around 21 December and 21 June).

Cities near Gros Islet

• Bisee — 5 km southwest
• Castries — 10 km southwest
• Dennery — 18 km south
• Laborie — 35 km south
• Le Lamentin — 61 km north, Martinique
• Fort-de-France — 61 km north, Martinique
• Le François — 61 km north, Martinique
• Le Robert — 68 km north, Martinique
• Sainte-Marie — 80 km north, Martinique
• Georgetown — 89 km south, Saint Vincent and the Grenadines

Largest cities in Saint Lucia

• Castries — 20,000
• Bisee — 12,980
• Dennery — 12,589
• Laborie — 6,701

Map of Saint Lucia and all its cities →

Sources: place names, coordinates, populations and time zones from GeoNames (CC BY 4.0, data retrieved October 2026). Population figures are the latest values recorded in GeoNames; depending on the country they refer to the city proper, a municipality or a wider urban area, so they can differ from census or metro-area figures. Map © OpenStreetMap contributors.