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eSIM for Caribbean

One data package for the whole trip. The Caribbean plan covers 24 countries — check the list once and stop thinking about borders.

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Every plan below covers the same 24 countries with one shared data allowance.

1 GB7 days4.49€$5.09£3.89CHF 4.293 GB15 days11.99€$13.99£10.99CHF 11.995 GB30 days18.99€$21.99£16.99CHF 17.99Best value10 GB30 days33.99€$38.99£29.99CHF 32.99

The allowance is shared across all included countries — it does not reset per country or at borders.

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Where it works

24 countries on one package. A few of them:

Included countries
One data allowance for the whole package — use it in any mix of the 24 included countries. It is not per country.
When validity starts
Your package starts when your phone first connects to a network at the destination — not when you install it. Crossing a border does not restart it.
Entering another included country
Your phone picks up a partner network in the new country automatically — keep data roaming on for the onesim line. No settings to change and nothing to reinstall.
Outside the covered countries
The package does not connect. Your phone falls back to Wi-Fi or your home SIM if you allow it — check the list before you go, and look at another onesim package for uncovered stops.
Calls and texts
onesim is data-only. Calls and messages work over data in apps like WhatsApp or FaceTime; your usual SIM keeps your number.
Support and refunds
Message the onesim support team from the app or the website. If a package cannot be installed or used, the refund policy explains what applies. Refund policy

Caribbean plan questions.

Answers for trips across more than one country.

Open “See covered countries” and search each stop. The list is the authoritative source: if a country is on it, this package works there; if it is not, we point you to another onesim package if one covers it.

Not sure which package covers your route?Ask us