Cost of Living Comparison Between Castries and St Lucia
For one person, living is cheaper in St Lucia: $448 a month against $1,438 in Castries, rent and utilities included – about $11,900 less a year. Other living expenses account for most of the difference.
-
Castries Living Index70Cost of Living Index in CastriesLearn more
How much you'll spend in Castries and in St Lucia
Real prices from locals and on-the-ground checks – rent, groceries, transit and the daily extras. Here's what a month in Castries and in St Lucia actually costs, broken down by who's living it.
A single person spends $1,438 per month in Castries vs $448 in St Lucia, rent included.
- Castries $1,438
- St Lucia $448
A couple spends around $2,357 per month in Castries vs $624 in St Lucia, rent included.
- Castries $2,357
- St Lucia $624
A family of three spends $3,276 per month in Castries vs $800 in St Lucia, rent included.
- Castries $3,276
- St Lucia $800
Castries costs about 221% more than St Lucia, and outside of rent the biggest gap is in groceries.
Castries sits 6% above the global median, while St Lucia is 67% below – they fall on opposite sides of the world average.
CityCost data is based on AI and user input – minor inaccuracies may occur.
Last update for Castries: October 18, 2026
Last update for St Lucia: October 19, 2026
Categories marked with * are only partly priced – their share counts the items that do have prices.
Categories marked with * are only partly priced – their share counts the items that do have prices.
Cost Breakdown
Salaries run about 46% higher in Castries, which partly offsets the higher cost of living there. Purchasing power depends on which expenses matter most to you.
- Castries St Lucia 11 km
- Castries
- St Lucia
Distances are measured in a straight line. Your location is detected approximately.
City Median Internet Speeds Comparison (Updated April 2026)
Which city is more expensive, Castries or St Lucia?
How much do you need to earn to live comfortably in Castries and in St Lucia?
How much does it cost to live in Castries compared to St Lucia?
Are groceries more expensive in Castries or in St Lucia?
Can you live on $1,500/month in Castries or in St Lucia?
Which city is better for families?
Should I move to Castries or to St Lucia?
Castries vs other spots: cost of living compared
Similar cities
Cluj-Napoca
Tirana
Johannesburg
Novi Sad
Jeddah
Varna