Vibrant cruise ships docked in the scenic harbor of Antigua, a popular Caribbean destination.

Antigua and Barbuda

Instant data the moment you land. No physical SIM, no roaming bills.

Pick your plan.

What's included

  • Works with all eSIM-compatible smartphones
  • Hotspot sharing · no speed throttling
  • 180 days to install — validity starts on first network connection
  • No physical SIM, no roaming charges

Coverage

Get instant mobile data in Antigua and Barbuda with a prepaid travel eSIM from GulfData. Whether you’re at a beach resort, sailing, or exploring Antigua, stay connected across St John’s, English Harbour, and across the islands on the FLOW network — all without roaming charges or hidden fees.

FLOW 4G
Antigua and BarbudaChoose a plan
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Why choose GulfData?

Simple, reliable mobile data — designed for travel across the Gulf.

24/7 Chat Support

Get help whenever you need it — before you travel or while you’re away.

Easy setup

Buy your plan, scan the QR code, and you’re connected in minutes.

Fast, reliable internet

High-speed data via trusted local networks across the GCC.

One eSIM for all your trips

Install once and reuse your eSIM — just add a new plan when you travel.

Get connected in minutes

Choose your plan, install your eSIM, and you’re online as soon as you land.

1

Choose your plan

Pick a destination and select the data plan that fits your trip.

No physical SIM. No roaming surprises.
2

Install your eSIM

Scan the QR code and install on your eSIM-compatible phone.

Setup takes ~2 minutes.
3

Connect when you arrive

Turn on the eSIM line and you’re connected on arrival.

Validity typically starts on first network connection.

Frequently Asked Questions about Antigua and Barbuda eSIMs

Will the Antigua and Barbuda eSIM work on my iPhone?

Yes, if your iPhone is eSIM-capable and carrier-unlocked. That covers iPhone XS, XR and every newer model, including the SE (2nd gen and later). After buying, you scan the QR code we email you to install the Antigua and Barbuda eSIM, then activate it on arrival. Your normal SIM stays in place, so you keep your usual number while the eSIM carries data. To check compatibility, open Settings, then General, then About, and look for an Available eSIM or Digital SIM entry. If you can see it, you're ready. This is a data-only travel eSIM, so calls and texts run through WhatsApp, FaceTime and iMessage rather than a standard mobile line.

Does this eSIM work on Samsung and other Android phones?

Yes. The Antigua and Barbuda eSIM works on most recent eSIM-capable, carrier-unlocked Android phones. That includes the Samsung Galaxy S20 and newer, plus Z Fold and Z Flip models, Google Pixel 3 and later, and many current devices from Oppo, Huawei, Motorola and others. The simplest check is in your settings: search for eSIM or SIM manager, and if there's an option to add a data plan or eSIM, you're good to go. You install by scanning the QR code we email after purchase, then switch the eSIM on once you land in Antigua and Barbuda. It runs as a second line alongside your physical SIM, so your usual number and apps keep working while the eSIM handles your mobile internet.

Which mobile network does the Antigua and Barbuda eSIM use?

The Antigua and Barbuda eSIM connects to FLOW, one of the islands' leading mobile networks, so you get fast, reliable 4G/LTE data from the moment you arrive. There's nothing to set up beyond installing the eSIM and switching it on: it registers with FLOW automatically, no shop visit or local tourist SIM required. You'll have strong coverage across the busy areas of St John's and around English Harbour, as well as the popular beaches and resort districts in between. Because it's a prepaid data plan with no roaming fees, you pay once upfront and simply use your allowance. If you need more later, you top up with another plan rather than facing surprise charges.

How good is coverage outside the main cities in Antigua and Barbuda?

Coverage is strong well beyond St John's and English Harbour. The FLOW network reaches across most of Antigua, including Jolly Harbour, Dickenson Bay, Falmouth, the V.C. Bird International Airport area and the many beaches along the south and west coasts. Sister island Barbuda and remote stretches near Half Moon Bay or the rainforest interior can see weaker signal, which is normal for rural and low-population areas anywhere. For most travellers exploring towns, resorts, ferry terminals and tourist spots, the eSIM keeps you online for maps, rideshare, bookings and messaging. As a data eSIM it gives you dependable mobile internet across Antigua and Barbuda without roaming fees, and our 24/7 support can help if you ever struggle to connect.

How do I install and activate my Antigua and Barbuda eSIM?

It's quick. After purchase we email you a QR code. On Wi-Fi at home, go to your phone's eSIM or mobile data settings, choose to add an eSIM or data plan, and scan that QR code to install it. We recommend installing before you travel so everything is ready. The plan's validity and data don't start counting until the eSIM first connects to the local network in Antigua and Barbuda, so installing early costs you nothing. When you land, enable the eSIM line for data and turn roaming off on your normal SIM. Within a moment it registers on the FLOW network and you're online. If anything looks off, our 24/7 support team can walk you through it step by step.

Can I install the eSIM before I travel to Antigua and Barbuda?

Yes, and we recommend it. Install the Antigua and Barbuda eSIM at home while you're on Wi-Fi by scanning the QR code we email after purchase. Installing early doesn't start your plan: validity and data only begin when the eSIM first connects to the FLOW network once you arrive. That means you can set everything up days in advance, then simply switch the eSIM on after you land at V.C. Bird International Airport and you're connected straight away, no hunting for airport Wi-Fi or a tourist SIM kiosk. It's the easiest way to have working mobile internet the moment you step off the plane in Antigua and Barbuda. If you prefer, you can also install on arrival using airport or hotel Wi-Fi.

Is the Antigua and Barbuda eSIM cheaper than using roaming?

For most travellers, yes. Standard roaming on your home network in the Caribbean can be expensive and unpredictable, with charges adding up by the day or megabyte. The Antigua and Barbuda eSIM is prepaid with no roaming fees: you pay once upfront, know exactly what you're getting, and there are no bill shocks when you get home. You keep your normal number on your main SIM for the odd call or text, switch its roaming off, and let the eSIM handle your data on the FLOW network. If you run low, you simply add another plan or top up rather than overpaying for a big bundle in advance. It's a clean, budget-friendly way to stay online while exploring St John's, English Harbour and the beaches.

How much data do I need for a week in Antigua and Barbuda?

It depends on how you travel. For a week of light use, mostly maps, messaging, email and the occasional booking, a smaller plan often does the job. If you'll share lots of beach photos, post to social media, stream music or use video calls home, plan for more generous daily data. As a rough guide, casual users might use around 500MB to 1GB a day, while heavier streaming pushes that higher. The good news is you're never locked in: start with a plan that suits your trip, and if you run low while island-hopping between Antigua and Barbuda, just top up with another plan. Connecting to hotel and cafe Wi-Fi for big downloads helps your eSIM data stretch further across the week.

Can I use WhatsApp and keep my normal number in Antigua and Barbuda?

Absolutely. This is a data-only eSIM, so while it doesn't carry traditional calls or SMS, everything you'd actually use abroad works over data: WhatsApp calls and messages, FaceTime, iMessage, Telegram, Messenger and other VoIP apps all run normally. Your usual phone number stays active on your primary SIM thanks to dual-SIM, so friends and your bank can still reach you, and you can receive verification codes if you keep that line on with roaming switched off for data. In practice you let the Antigua and Barbuda eSIM carry your internet across St John's, English Harbour and beyond, and use WhatsApp or FaceTime for staying in touch. It's the same way most travellers communicate, with no extra roaming charges on top.

Can I share my Antigua and Barbuda data with a personal hotspot?

Yes. Personal hotspot, also called tethering, is fully supported on the Antigua and Barbuda eSIM. You can share your mobile internet with a laptop, tablet or a travel companion's phone, which is handy for getting work done from a beach bar in St John's or planning the next day from your resort near English Harbour. Tethered usage draws from the same prepaid data allowance, so keep an eye on your balance if several devices are connected or someone starts streaming. Just enable the hotspot in your phone's settings as you normally would, with the eSIM set as your active data line on the FLOW network. If you run low, you can top up with another plan rather than paying roaming fees, keeping everyone online affordably.

What is the best eSIM for travelling in Antigua and Barbuda?

The best eSIM is one that's quick to set up, runs on a strong local network and has no surprise roaming fees, which is exactly what the GulfData Antigua and Barbuda travel eSIM offers. You get instant QR activation, fast prepaid data on the FLOW network, and reliable coverage across St John's, English Harbour and the island's beaches and resorts. It works on eSIM-capable iPhone and Android phones, keeps your normal number active, supports hotspot sharing, and lets you top up if you need more. Install before you fly, switch it on when you land, and you're online without hunting for a tourist SIM. With one upfront purchase and 24/7 support, it's a simple, cost-effective way to stay connected throughout your trip.

Still have questions? Contact GulfData support 24/7.