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aloSIM eSIM review: Caribbean and Bermuda plans (2026)

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Our verdict

Rating
Not rated yet
Best for
a week on one island with a clear refund promise
Works in
10 of our 11 destinations
Plan types
fixed data and day plans, 3 to 30 days

aloSIM sells country plans for 10 of our islands, mostly starting at 1 GB for 7 days, and names the network on almost all of them. Its 30-day refund guarantee covers a phone that can’t take an eSIM and a plan that won’t connect.

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See aloSIM’s plans (opens provider site)

aloSIM’s plans by destination

aloSIM sells eSIMs for 10 of the 11 destinations on this site (not Bonaire). The price is the cheapest aloSIM plan with at least 1 GB of data; open a destination to compare every plan there.

Destination From Plan Network
Bermuda $7 1 GB, 7 days Not stated
Bahamas $7 1 GB, 7 days BTC
Cozumel (Mexico) $5 1 GB, 7 days Telcel
Cayman Islands $8.50 1 GB, 7 days Flow
Jamaica $8 1 GB, 7 days Flow
St. Maarten $8 1 GB, 7 days Flow
Aruba $8.50 1 GB, 7 days Setar
Curaçao $8 1 GB, 7 days Flow
Dominican Republic $6 1 GB, 7 days Claro
Roatán (Honduras) $4.50 1 GB, 7 days Tigo

aloSIM has no plan for Bonaire. For St. Maarten it sells a Netherlands Antilles plan (Dutch side).

What to know before you buy

  • Plans from 3 to 30 days, most starting at 1 GB for a week.
  • Networks are named for nearly every island (Flow on most, BTC in the Bahamas, Claro in the Dominican Republic).
  • Keep your receipt : aloSIM asks for the original receipt email before refunding.

What’s good

  • 30-day refund guarantee if your phone can’t use it or it won’t connect.
  • Network named for most islands.
  • Cheap 1 GB week plans in Honduras and Mexico.

What’s not

  • No Bonaire plan.
  • The St. Maarten plan covers the Dutch side only.

Refunds and support

aloSIM offers a 30-day refund guarantee: if you can’t install the eSIM (for example, your phone doesn’t support eSIM) or can’t connect to a network, it says it will work with you to give a full refund. You’ll need the receipt emailed at purchase, and aloSIM may ask why you couldn’t use it.

Alternatives to aloSIM

  • Saily: covers Bonaire too.
  • Airalo: the most plans of any provider on this site.
  • GigSky: a free 100 MB trial.

Or compare every plan on a destination page.

Common questions

Does aloSIM work in St. Maarten?

Yes, with its Netherlands Antilles plan, which covers the Dutch side. We haven’t confirmed it on the French side (Saint-Martin).

What is aloSIM’s refund policy?

A 30-day guarantee: a full refund if your phone can’t use the eSIM or you can’t connect, with your original receipt.