Flag of St. Lucia

Capital city - North America

Castries

Capital of St. Lucia

cityculture

Why visit

Castries is Saint Lucia's harbor capital, practical for markets, ferries, and island transport rather than long stays. The real draw is how quickly it connects to beaches, rainforest, and the Pitons.

How to use this result

Use it as a capital-city prompt

Castries is useful when you want a city-level starting point in St. Lucia. Check whether the capital is the best arrival city, a practical transfer point, or mainly a geography and planning reference.

Check practical trip fit

Before planning around Castries, compare airport access, local transport, time zone, neighborhood choices, weather, safety guidance, and whether another city in St. Lucia better matches the trip style.

Castries at a glance

City population

20k

Elevation

119 m

390 ft

Time zone

UTC-4

America/St_Lucia

Airport

SLU

George F. L. Charles Airport

St. Lucia at a glance

Country center

13.9°, -61.0°

Coast

Has coastline

Country area

616 km²

238 mi²

Country population

180k

292/km²

Subregion

Caribbean

Currency

Eastern Caribbean dollar ($)

XCD

Dial

+1758

Language

English

Demonym

Saint Lucian

Internet

.lc

UN

Member state

ISO code

LC / LCA

Where in the world

13.9° - -61.0°

St. Lucia Open in Google Maps

Click the map to open in Google Maps. Outline via svg-maps/world - CC BY 4.0

Did you know

Traveler notes

Plan checks

Explore more

Facts last reviewed June 2026 against GeoNames and national statistics sources. See the editorial policy for how destination data is maintained.

Frequently asked about Castries

What currency is used in Castries?

Castries uses the Eastern Caribbean dollar ($), ISO code XCD.

What languages are spoken in St. Lucia?

The primary language is English.

What is the international calling code for St. Lucia?

The calling code is +1758.

When is the best time to visit Castries?

Dec–Apr. Check current weather and local events before booking.

What airport serves Castries?

George F. L. Charles Airport (IATA: SLU).

Other North America destinations