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Choose Your eSIM Plan for Antigua And Barbuda

Activate in seconds

A Simology Antigua and Barbuda eSIM gives you mobile data from $7.05, connecting to local networks such as Flow (Cable & Wireless), Digicel. Activate it by scanning a QR code in minutes — no physical SIM and no roaming fees.

13 Packages Available — From $7.05

DataValidityPrice
1 GB7 Days$7.05
Unlimited Data1 Day$8.21
2 GB15 Days$12.58
3 GB30 Days$17.31
Unlimited Data3 Days$23.10
5 GB30 Days$26.39
Unlimited Data5 Days$38.00
10 GB30 Days$38.04
Unlimited Data7 Days$52.91
20 GB30 Days$64.39
Unlimited Data10 Days$75.26
Unlimited Data15 Days$112.51
50 GB30 Days$179.26

Whether you're sailing into English Harbour, exploring the colonial sights in St. John's, or relaxing on Barbuda's pink sand beach, Simology's eSIM for Antigua and Barbuda gives you fast mobile data without swapping physical SIM cards. Pick a local Antigua & Barbuda plan or a Caribbean regional bundle if you're island hopping — both install in minutes and give you flexible, pay-as-you-go connectivity.

Instant Activation·4G & 5G Networks·Global Coverage

Traveling to multiple countries in Caribbean?

Our regional eSIM covers all Caribbean countries with one plan. No need to switch SIMs between borders!

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How to Activate Your eSIM for Antigua and Barbuda

1

Choose a plan

Select an Antigua & Barbuda plan for single-island travel or a Caribbean regional plan for visits to multiple islands.

Install in seconds

Scan the QR code or activate through the Simology app — setup takes less than 2 minutes.

Activate and go

Turn on your data when you arrive — your eSIM will connect automatically to local networks.

Manage on the go

Top up, monitor usage, and change plans anytime from the Simology app, even while you're abroad.

Mobile networks & coverage in Antigua and Barbuda

Networks you connect to

Your Simology eSIM in Antigua and Barbuda connects to established local partner networks such as Flow (Cable & Wireless), Digicel, giving you 4G/5G data where available. It automatically selects the best available signal, so there is nothing to set up.

  • Flow (Cable & Wireless)
  • Digicel

Why travelers love it

Solid 4G coverage across Antigua, with more limited service on remote parts of Barbuda and smaller cays.

eSIM vs roaming in Antigua and Barbuda

Using your home plan's roaming in Antigua and Barbuda usually means pay-as-you-go rates or daily add-ons — convenient, but easy to overspend on. A Simology eSIM is a fixed prepaid plan you buy before you travel, so you know the cost up front.

Simology eSIM

  • Fixed price paid in advance
  • No roaming fees or bill shock
  • Activate by QR code in minutes
  • Top up or add plans in the app

Home-network roaming

  • •Rates vary by your home carrier
  • •Risk of surprise charges
  • •You may need to enable roaming
  • •Often slower fair-use limits

Will my phone work in Antigua and Barbuda?

A Simology eSIM works on most eSIM-capable smartphones and tablets from the last few years, including recent iPhone, Samsung Galaxy, and Google Pixel models. Your device also needs to be carrier-unlocked.

Check device compatibility

Antigua and Barbuda Travel Tips

Must-see hotspots

English Harbour and Nelson's Dockyard, Shirley Heights viewpoint, St. John's market, Jolly Harbour, Devil's Bridge, Barbuda's Frigate Bird Sanctuary, and Long Bay.

Data planning

For typical travel use (maps, messaging, photos) plan on 2–4 GB per week. Add more if you stream, use video calls, or run navigation continuously while sailing. Top-ups are available instantly via the Simology app.

Insider tips

  • Public Wi‑Fi at marinas and cafés may be open or slow — use your eSIM for secure, consistent connectivity.
  • Use your eSIM to check ferry timetables, book boat charters, navigate roads, and find local attractions.
  • High season runs from December to April with great weather and events. Hurricane season is June–November — check local advisories if traveling then.

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Frequently asked questions about eSIM in Antigua and Barbuda

Is coverage strong outside St. John's?
Yes on Antigua most populated and tourist areas have good 4G. Coverage on Barbuda and remote cays can be patchy — plan accordingly.
Can I activate before I travel?
Yes. Install the eSIM any time and set the activation to start when you land in Antigua and Barbuda.
How do I top up?
Top up instantly through the Simology app or website — data appears immediately after purchase.
Does the Antigua and Barbuda eSIM support 5G?
Most coverage is 4G LTE. 5G availability is limited; your eSIM will connect to the fastest available network.

General eSIM questions

Does an eSIM work in Antigua and Barbuda?
Yes. A Simology eSIM connects to local mobile networks in Antigua and Barbuda, giving you 4G/5G data as soon as you arrive — with no physical SIM and no roaming fees.
How much does an eSIM for Antigua and Barbuda cost?
eSIM data plans for Antigua and Barbuda start from $7.05. You only pay for the data and validity you need — no contracts and no surprise bills.
Which networks does a Simology eSIM use in Antigua and Barbuda?
In Antigua and Barbuda, a Simology eSIM connects to major local mobile networks such as Flow (Cable & Wireless), Digicel, automatically selecting the best available signal for 4G/5G data.
How good is eSIM coverage in Antigua and Barbuda?
Coverage in Antigua and Barbuda is strongest in cities and along major travel routes, where 4G and 5G are widely available. As with any local network, signal can be weaker in remote or rural areas.
Will my phone work with an eSIM in Antigua and Barbuda?
Most eSIM-capable smartphones and tablets from the last few years work in Antigua and Barbuda, as long as your device is carrier-unlocked. Check our compatibility list if you are unsure.
Can I top up my eSIM while I am in Antigua and Barbuda?
Yes. You can top up data or buy another plan for Antigua and Barbuda anytime in the Simology app or website — no need to swap SIMs or visit a store.
How fast is eSIM data in Antigua and Barbuda?
A Simology eSIM delivers 4G and 5G speeds in Antigua and Barbuda wherever the local networks support them — fast enough for maps, streaming, video calls, and hotspot sharing.
What is an eSIM?
An eSIM is a digital SIM card that allows you to connect to cellular networks without a physical SIM card. It's built into your device and can be activated remotely.
Is my device compatible?
Most modern smartphones, tablets, and smartwatches support eSIM technology. Check our compatibility guide for a complete list of supported devices.
How do I install an eSIM?
After purchase, you'll receive a QR code via email. Simply scan the QR code with your device's camera in the eSIM settings to install and activate your plan.
What data speeds can I expect?
You'll get the same high-speed data as local users, typically 4G/LTE speeds. 5G is available in select countries and devices.

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