Data only eSIMs
Travel eSIM Guam
Get data in Guam like a local - not like a confused tourist with a $300 bill.
4.9
(383)
Set up in a few minutes
Unlimited hotspotting
Add more data with top ups
Install before travel
Set up in a few minutes
Unlimited hotspotting
Add more data with top ups
Install before travel
Plans & prices
Guam plans
Set up in a few minutes
Unlimited hotspotting
Add more data with top ups
Install before travel
Say whaaaaat
All pros, no cons
100% money back guarantee
Plans changed, device incompatible or locked, can't get it working, we've got you covered - see our .
Data-only eSIM - no phone number
Use internet based apps like WhatsApp and Messenger as normal. Note: you can't make traditional calls or SMS (yet).
Reliable 4G/5G connection
Powered by the best networks in Guam including .
Multiple data options
Including unlimited data for 5, 15 or 30 days and plans starting at only 1GB.
Unlimited hotspotting (tethering)
Hotspot to your laptop, tablet, to your friends, to whoever with our limitless hotspotting.
Auto-activates on arrival
Automatically activates when you arrive in Guam. Just update settings (we'll send instructions), and you're connected.
Install up to 90 days before travel
Install your Guam eSIM anytime within 90 days before you travel, the plan won't start until you arrive in Guam.
Keep your current number
You can have multiple eSIMs installed and switch them on and off as you like.
How to use travel esims
How it works
If you haven't used a travel eSIM before, you're in for a treat. It only takes a few minutes to setup and it's a fraction of the cost of roaming! See WTF is eSIM.
1. Quick phone check
Let's make sure your phone's on board. Our eSIM compatibility checker has all of the answers.
2. Choose a plan, enter your details
Choose a plan for your destination, enter your details and your payment information.
4. Auto-activated on arrival
Update settings on arrival (we'll email these to you) and boom, you're connected. Check your usage in the ZenSim app.
The nitty gritty
Guam eSIM FAQs
No, the Guam travel eSIM is data-only. It won’t give you a cellular voice line. If you want to call, just fire up WhatsApp, Telegram, or FaceTime using your data allowance.
Yes! You may install the Guam eSIM up to 30 days before you travel. It won’t connect or start using data until you arrive.
Early installation ensures you’re ready on arrival, and it won’t drain your plan until you’re in Guam.
If you encounter an activation message on iPhone before landing, it’s usually safe to ignore - see our eSIM Troubleshooting Guide for more info.
No, these eSIMs only provide data access and do not assign you a phone number. To make calls, please use internet - enabled apps such as WhatsApp or FaceTime.
Your eSIM will activate automatically once you step off the plane in Guam. We do suggest installing your Guam Travel eSIM before departure (installation ≠ activation).
Installation is a breeze: scan the QR code provided or install via the ZenSim app over WiFi. Upon landing, the eSIM will activate itself.
Encountering issues? Visit our eSIM Troubleshooting Guide or contact us 😊
Your Guam travel eSIM kicks in as soon as you arrive in Guam - provided it was installed beforehand.
If you install it after you land, it should start working right away.
If you run into trouble, see our eSIM Troubleshooting Guide or get in touch with us.
If you want to avoid roaming headaches in Guam, a travel eSIM is the smarter pick:
Big Savings: Our local Guam eSIM data plans are priced for residents, not tourists who pay premium roaming costs.
Easy Plan Changes: Upgrade or downgrade your data allowance on the fly - no need for a new SIM.
Full Transparency: See your data usage in - app so you won’t run out unexpectedly or incur extra charges.
Nope - the eSIM waits for you to land in Guam before beginning data usage or counting plan days, unless of course you're already in Guam then yes it will start using data immediately.
We advise installing before departure over WiFi so you can be connected as soon as you land on the tarmac.
For any connection hiccups, check out our eSIM Troubleshooting Guide or get in touch.
Absolutely! ZenSim’s eSIMs work in over 200 countries, and Guam is one of them. We also have regional eSIMs that cover several nations on a single plan - check out our Travel eSIMs page for details.
Connectivity Troubleshooting: Check our troubleshooting guide if your eSIM won’t connect. Still stuck? Hit up our support team and we’ll get you back online fast.
eSIM Installation Help: For help setting up your eSIM, visit our installation guide, or simply contact us - we’re happy to assist.
Other Inquiries: Have another issue? Head to our contact page and we’ll respond ASAP.
Yes, you can. Around 99 percent of our eSIMs allow quick and easy top ups through the ZenSim app. You can add more data, increase the days, or even include a different destination on the same eSIM right from the Zen Garden.
Open the app, go to the Zen Garden area, and you’ll see the top up button waiting for you.
Top up pricing: Guam top up plans follow the same pricing as on the website, minus a 10% discount.
Travelling for a while: If your trip lasts more than 30 days, you can queue multiple top ups. None of them will interrupt your current plan because each one only activates when the previous eSIM expires.
Travelling to more destinations: Most eSIMs let you attach extra countries via a top up. For example, if you're heading home from Europe and stopping in Singapore, you can add Singapore to your Europe eSIM and it will switch on once you arrive.
Your Guam eSIM is designed for use within Guam, so once it's been activated there, it won’t work in other countries.
If you're visiting multiple destinations, a better option might be one of our regional Travel eSIMs that cover entire regions like Europe or Asia.
Absolutely you can. After purchasing your Guam eSIM, share your unique referral URL with whoever you like and if they purchase you both save A$5 on your next purchases.
After purchase you can access your URL on the checkout confirmation screen or in the ZenSim app. For each new customer you refer to us you will be given a A$5 voucher to use on your next purchase.
Track your referral activity and access your unique referral link inside the ZenSim app. View the terms to learn more.
Only if you're on one of our unlimited plans - these come with a 3GB daily allowance, which covers the vast majority of travellers comfortably, since most people only use under 1GB a day.
Go over 3GB in a day and your speed will drop to 1Mbps for the rest of that day, resetting back to full speed at midnight.
If you've gone with a fixed-data plan (like 10GB or 20GB) instead of unlimited, there's no daily cap to worry about - you can use your data however you like until it's gone. We'll notify you before you run out, and you can top up instantly through the ZenSim app.
Not at all - installing early doesn't use up any of your days or data, and it doesn't set a start date either. Everything stays dormant until you actually land in Guam.
Once you arrive, and provided you've already installed it, your eSIM activates automatically and your plan's official start date is that moment of arrival.
The end date follows on from there - it'll expire once your data or days run out, whichever happens first (or just the days if you've gone unlimited). A 30-day plan gives you a full 30 days from the moment you land in Guam, no matter how far in advance you bought or installed it.
Easy way to check - just run your phone through our eSIM compatibility checker and you'll know in seconds whether it'll work with our Guam eSIM and networks.
Still not sure, or something looks off? Reach out to us and we'll sort it out. And if it turns out your phone genuinely can't run the eSIM, our refund policy has you covered with a full refund - so there's no risk in grabbing a plan and giving it a go.
We've got a 100% money back guarantee for exactly this kind of situation.
That covers trip cancellations, phones that turn out not to be eSIM-compatible, or just a change of plans that means you no longer need it.
Our full refund policy spells it all out, but the short version is: unable to install or use the eSIM means a full refund, every time.
eSIM options for other destinations
Travel eSIM for Guam
Visiting Guam? A travel eSIM is the easiest way to stay connected while exploring this Pacific island paradise. Whether you're admiring the views from Two Lovers Point, snorkelling in Tumon Bay, or learning about history at War in the Pacific National Park, an eSIM provides seamless mobile data access. With instant activation, you can connect as soon as you arrive-no need to visit a store or swap SIM cards. Stay online for navigation, travel bookings, and sharing your island adventures without worrying about expensive roaming fees.
The best Guam travel eSIM
The best travel eSIM for Guam offers fast speeds, flexible data plans, and hassle-free activation. Mobile networks in Guam provide excellent coverage across the island, ensuring reliable connectivity for travellers. Whether you're visiting for a short getaway or an extended stay, a travel eSIM allows you to access maps, book activities, and stay connected effortlessly. Choose an eSIM provider with instant activation and affordable rates, so you can focus on enjoying your trip without worrying about connectivity issues.
How to set up a Guam travel eSIM
Setting up an eSIM in Guam is quick and simple. First, purchase your eSIM plan online before your trip. Once you receive your QR code, scan it in your phone’s eSIM settings and activate it instantly. Make sure to enable mobile data and roaming for a smooth connection. If you're unsure about the setup process, check out our how to install an eSIM guide for step-by-step instructions. With an eSIM, you can explore Guam while staying connected without the hassle of a physical SIM card.
Top 3 things to do in Guam
Take in the Views from Two Lovers Point
One of Guam’s most famous landmarks, Two Lovers Point, offers breathtaking panoramic views of Tumon Bay and the vast Pacific Ocean. The site is steeped in legend, telling the story of two lovers who leapt from the cliff to be together forever. The observation deck provides a stunning backdrop for photos, especially at sunrise and sunset. Couples often leave padlocks on the railings as a symbol of their love. Whether you’re drawn by the romance of the legend or simply want to soak in the spectacular scenery, this is a must-visit spot in Guam.
Snorkel in the Crystal Waters of Tumon Bay
Guam is known for its incredible marine life, and Tumon Bay is one of the best places to experience it. The bay’s clear, shallow waters make it an ideal spot for snorkelling and swimming, with vibrant coral reefs teeming with tropical fish, sea turtles, and other marine species. The calm conditions make it perfect for beginners, while more experienced snorkellers can explore deeper sections of the reef. For those who prefer to stay dry, glass-bottom boat tours offer a unique way to admire the underwater world without getting wet.
Explore War in the Pacific National Historical Park
History enthusiasts will appreciate a visit to the War in the Pacific National Historical Park, which commemorates the events of World War II in the Pacific. The park is spread across several locations and features battlefields, historic sites, and war memorials, including the Asan Beach Landing site and Piti Guns. Visitors can explore the remnants of war, learn about Guam’s role in the conflict, and enjoy scenic walking trails through tropical landscapes. It’s a fascinating and reflective experience that highlights Guam’s historical significance in the Pacific.
