2 GB
Data
1 day
Validity
$2.79
$1.40/GB
Firsty eSIM St. Lucia 2026: Cheap Data Plans & Prices
Firsty eSIM St. Lucia 2026: plans and prices. How much does it cost? Rates by days and GB, from the cheapest to the largest data package, in one list.
Traveling to more than one country? Add it to the search.
Updated Nov 9, 2026
Firsty plans and prices for St. Lucia
Firsty for St. Lucia FAQ.
How much does the cheapest Firsty eSIM for St. Lucia cost?
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The cheapest Firsty eSIM for St. Lucia costs $2.79 and gives you 2 GB for 1 day. We recheck prices daily, so this price is up to date. You can buy it on the official Firsty site.
Does Firsty work in St. Lucia?
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Yes, Firsty works in St. Lucia on its St. Lucia-only plans and on its global eSIMs. If your eSIM is installed but won't connect after you land, open your phone's settings and turn on data roaming for it. Your home SIM can stay as it is.
How much is a Firsty eSIM for St. Lucia for 7, 15 or 30 days?
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For St. Lucia alone, these are Firsty's lowest prices by trip length:
- 7 days: $15.63 for 2 GB
- 15 days: $25.11 for 2 GB
- 28 days: $46.88 for 2 GB
Does Firsty have an unlimited data eSIM for St. Lucia?
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No, Firsty has no unlimited plans for St. Lucia, so every plan comes with a set amount of data.
What is Firsty, and is it good for St. Lucia?
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Firsty is an eSIM store for travelers, with plans covering 192 destinations. On Trustpilot, 341 people have rated it 4.0 out of 5.
How much does 1 GB of data cost with a Firsty eSIM in St. Lucia?
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With Firsty, 1 GB in St. Lucia can cost as little as $1.26, on the plan with 8 GB for 3 days.
Does Firsty have 5G in St. Lucia?
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Yes, every Firsty plan for St. Lucia has 5G. Your phone needs to support 5G too: on iPhone, that means an iPhone 12 or newer.
Can I use a Firsty eSIM as a mobile hotspot in St. Lucia?
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Yes, you can share your data through a personal hotspot on Classic and Unlimited plans, but not on Firsty Free.
Does Firsty have a phone plan with a number for St. Lucia?
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No, Firsty's St. Lucia plans are data only, so your home number stays on your main SIM. In the Firsty app you can also make calls over the internet with prepaid credits.
Can I buy a Firsty eSIM before my trip to St. Lucia and use it later?
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Yes, you can buy it ahead and activate it when you arrive, with the Activate button in the app or automatically when you enter St. Lucia, if you turn that on. The days count from activation, not from purchase.
Can I top up a Firsty eSIM?
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Yes, you top up the same Firsty eSIM in the app, either with another Classic bundle or with extra days of Unlimited. A new bundle doesn't extend an older one, but extra Unlimited days extend the same plan.
Does Firsty have a global eSIM that works in St. Lucia?
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Yes, Firsty has 67 global plans. These keep you online as you cross borders.