Guam eSIM
OceaniaGet a Guam eSIM and connect the moment you land. Buy a prepaid data plan, scan the QR, and you are online in minutes, with no roaming bill and no local SIM to find. Pay in crypto with no ID to buy. Plans start at $3.99.
- Instant delivery to your dashboard
- Prepaid, no contract, no auto-charge
- Works on any eSIM-ready phone
- Paid in crypto, no card or ID to buy
Guam eSIM at a glance
Live prices, updated October 2026- Price
- From $3.99
- Data plans
- 1 GB to Unlimited
- Validity
- 3 to 30 days
- Networks
- GTA, IT&E
- 5G
- Yes, where available
- Setup
- Scan a QR, ~2 min
- Payment
- Crypto
- ID to buy
- None
Choose your plan
Pick a data plan for a set number of gigabytes, a daily plan with fresh data every day, or an unlimited plan so you never think about data.
Data plans
Choose your gigabytes. Best value if you know roughly what you use.
Daily plans
1 GB of full-speed data every day of your trip. After that, you stay online at a slower speed that still works for messaging and maps, and full speed returns the next day.
Unlimited plans
Never watch your data. Just pick how long your trip is.
Prices are in USD and payable in crypto. No contract and no auto-renewal, and any balance you do not use stays on your account for next time.
Turning on roaming can cost $10 or more a day. A whole Guam trip starts at $3.99.
See the plansWhy an eSIM for Guam
Guam is where America's day begins: a US territory far out in the western Pacific, the biggest of the Mariana Islands, where the Stars and Stripes flies over turquoise lagoons and ancient latte stones. Its heart is the resort strip of Tumon Bay, backed by the clifftop legend of Two Lovers Point, but the island runs deep with Chamorro culture, the WWII history of the Pacific war, the village and bay of Umatac where Magellan first landed, and reef and wreck diving in between. Get an eSIM before you fly and land already online.
Guam is compact and heavily developed in the north, so coverage is excellent across Tumon, Hagatna, and the towns, thinning in the jungly south and the interior. You buy the data before you fly, pay from your crypto balance with no ID, and keep your home number on its own SIM for calls and codes.
- Fast 4G and 5G across Tumon, Hagatna, and the northern towns.
- Honest about the jungly south and interior, where signal thins.
- Online on arrival at Guam's Antonio B. Won Pat Airport.
- Pay in crypto with no ID, and keep your home number.
Is a Guam eSIM right for you?
Whoever you are travelling as, the setup is the same: buy, scan, connect. Here is what it means for you.
Guam eSIM vs a local SIM vs roaming
Coverage is a north-and-towns story here, excellent there and thinner in the south, on every option. The difference is how you buy, whether you show ID, and how you pay. Here is how they compare.
SimVala eSIM
- Ready before you flyYes
- ID to buyNo
- Online the moment you landYes
- Tumon and northern coverageExcellent
- Southern jungle and offshoreCan thin, all networks
- Pay in cryptoYes
- Typical cost, 1 weekA few dollars
Guam tourist SIM
- Ready before you flyNo, shop on arrival
- ID to buySometimes
- Online the moment you landAfter the shop
- Tumon and northern coverageExcellent
- Southern jungle and offshoreCan thin, all networks
- Pay in cryptoNo
- Typical cost, 1 weekAround 20 to 50 USD
Home roaming
- Ready before you flyYes, but pricey
- ID to buyNo
- Online the moment you landYes
- Tumon and northern coverageExcellent
- Southern jungle and offshoreCan thin, all networks
- Pay in cryptoNo
- Typical cost, 1 weekOften 10+ dollars a day
Guam uses the US dollar, and even a US home plan often treats it as off-network or surcharged. An eSIM is ready before you land and needs no shop. The southern and offshore gaps are geography. Costs are rough guides, not quotes.
Coverage and networks in Guam
Depending on the plan, your eSIM connects to one of Guam's networks, such as GTA, IT&E, or Docomo Pacific. The developed north, Tumon, Tamuning, and Hagatna, gets fast 4G and 5G, and coverage thins across the greener, quieter south of the island and the jungle interior.
Expect strong eSIM coverage in Tumon, Hagatna, Tamuning, with data across the rest of Guam. Signal follows the local network, so it is strongest in cities and along main routes.
Your eSIM roams on a major local network:
Coverage by area
Fast, dense 4G and 5G across the Tumon resort strip, Tamuning, Dededo, and Hagatna. This is where most of your data gets used.
Reliable around the developed coasts and beaches, thinning offshore in Apra Harbor and out on the dive boats.
Signal thins across the greener, quieter south around Umatac and Merizo and the jungle interior, on any network. Download offline maps for the south.
How much data do you need in Guam?
Whether your Guam trip is 7 days, 2 weeks, or a month, pick the data size to match. Not sure? Slide your trip length below and we will suggest a plan.
A Guam trip leans on maps, ride and shuttle apps, dive and tour bookings, shopping and restaurant reservations, and a stream of beach and cliff photos to the cloud. English and Chamorro are both official, so translation is rarely needed. For a one to two week trip, 5 to 10 GB suits most people, and you can top up any time. Resorts also have wifi.
Estimate your data for Guam
Social, photos, some video
An estimate to guide you, not a limit. Wi-Fi at your hotel covers a lot, and you can top up any time, so it is fine to start smaller.
Typical usage per hour
Using an eSIM in Guam's top cities
One Guam eSIM covers all of these. Here is what to expect, city by city.
eSIM in Tumon
Fast 4G and 5G across the resort heart of Guam, from the Tumon Bay lagoon and the hotels to the shopping and the beach. A well-connected base for the north of the island.
eSIM in Hagatna
Strong coverage across the small capital, with its Spanish-era plaza, the latte stones of Latte Stone Park, and the Chamorro Village night market. Handy for maps and history.
eSIM in Umatac
Reliable signal around the historic southern village on the bay where Magellan landed, with its church and old bridges. Useful for maps, thinning in the jungle hills behind.
Yes, you can call and text in Guam
Your eSIM is internet. So every calling and messaging app works, just like at home. No new apps to learn, nothing to set up.
Message anyone
WhatsApp, iMessage, Messenger all run over your data.
Call home for free
Voice and video on WhatsApp, FaceTime, or Messenger, no call charges.
Need a real number?
A data eSIM has no number of its own. Add a virtual number for codes and a local line.
Grab a Guam number before you fly
Get login codes and a real line to give out, all in your dashboard. Paid in crypto, no ID.
Pay for your Guam eSIM in crypto
This is where SimVala is different. There is no card and no ID to buy. Top up a balance with any of nine coins, then buy your Guam plan from it. Monero is accepted for the strongest privacy, and your QR lands in your dashboard the moment payment confirms.
Bitcoin
Monero
Ethereum
Tether
USD Coin
Solana
BNB
TRON
PolygonPay by QR in one scan
No card details, ever. Just scan and send.
- 1. Pick your coin and amountWe show a payment address and a QR code.
- 2. Scan and send from your walletThe quote holds for 15 minutes, no fee maths.
- 3. Balance ready, buy your planYour eSIM QR lands in your dashboard right away.
Set up your Guam eSIM in about two minutes
No SIM to pop out, nothing to post. It works the same on iPhone and Android. Here is all it takes.
- 1Buy your plan
Pick a plan above and pay from your crypto balance. A few taps and it is done.
- 2Open your QR code
The moment your order completes, your eSIM QR appears in your dashboard.
- 3Add the eSIM in Settings
iPhone: Settings, then Cellular, then Add eSIM. Android: Settings, then Network, then Add eSIM. Scan the QR.
- 4Turn it on and land online
Switch the line on when you land at Guam, and you are online in seconds.
This is your eSIM QR. You scan it once, and your Guam line turns on. That is the whole install.
Will it work on your phone?
Most phones from the last few years support eSIM. Not sure? Scan your device in one tap.
Good to know
- •Coverage is excellent across Tumon and the northern towns, thinning in the southern jungle and interior.
- •English is an official language and the US dollar is used, so getting around is easy.
- •Some of the best diving and wrecks are in Apra Harbor and offshore, where signal fades on the water.
- •The eSIM carries data. Keep your home SIM active for calls and codes.
Popular in Guam
Why travellers choose SimVala
4.8from 39,452 verified reviews“Used it for a week in Albania. Saved me from looking for a SIM shop when I arrived.”
“Needed a temporary number for a small project. Everything was pretty straightforward.”
“Had it running on my phone before leaving Vienna. No issues during the trip.”
“I was travelling with my parents and didn't want to deal with SIM cards. This made things much easier.”
“Downloaded the eSIM while waiting for my flight. Activated it later and it worked first try.”
“Mostly used the virtual number for calls. Quality has been good and I haven't had any problems.”
“Used the data plan for Google Maps and messages during a trip. Did exactly what I needed.”
“Got a number for business use. The activation was quick and I didn't have to contact support.”
“I was in Europe for two weeks and used the eSIM instead of roaming with my Canadian SIM. Much simpler.”
Visiting more of Oceania?
If Guam is one stop of a bigger trip, buy a plan for each country from the same balance.
eSIM in Guam: FAQ
Does my phone support eSIM?+
Most phones from the last few years do, including recent iPhone, Samsung Galaxy, and Google Pixel models.
How do I pay?+
In crypto only: Bitcoin, Monero, USDT, USDC, Solana, and more.
When does my plan start?+
Your plan validity begins when you install and activate the eSIM, not when you buy it.
Will an eSIM work in Guam?+
Yes, as long as your phone supports eSIM and is carrier unlocked. The eSIM connects to a local network in Guam and gives you data the moment you arrive.
How much data do I need in Guam?+
It depends on what you do. Maps and messaging use very little, while video and hotspotting use much more. For a typical one to two week trip, 3 to 5 GB suits most travelers, and you can top up any time.
Can I keep my phone number in Guam?+
Yes. Your home number stays on your physical SIM for calls and codes, while the eSIM carries local data. Both work at once on a dual-SIM phone.
Can I buy my eSIM before I travel?+
Yes, and you should. Buy and install it before you fly, then switch the line on when you land in Guam. Your plan's days only start counting when you activate it, not when you buy.
Does the plan expire?+
Each plan runs for a set number of days once you activate it, shown on the plan. Any balance you have not spent stays on your account for your next trip, so nothing is wasted.
Can I use my eSIM as a personal hotspot?+
On most plans, yes, so you can share your connection with a laptop or a friend. Tethering uses more data, so pick a larger plan if you rely on it.
Does my US phone plan cover Guam?+
Not always. Guam is a US territory using the US dollar, but many US home plans still treat it as off-network or surcharged rather than included. An eSIM sidesteps that with a clear prepaid price, no ID, and payment in crypto, and it works the moment you land.
Will an eSIM work on the dive boats and in the south?+
In Tumon and the northern towns, coverage is excellent. It fades offshore on the Apra Harbor dive boats and thins across the southern jungle around Umatac and Merizo, on any network, so grab maps and bookings before you head out.
Do I need ID to get connected in Guam?+
Not with an eSIM. Local tourist SIMs sometimes ask for registration. An eSIM sidesteps that, with no ID and payment in crypto, so you are online the moment you land at Antonio B. Won Pat International Airport.
Is there an unlimited data plan for Guam?+
Yes, an Unlimited 30-day plan, good for a longer stay or heavy use. Sized plans are the cheaper pick if you use less, and you can top up any time. With Guam's strong northern coverage, you will get to use it across the resort areas and towns.
More for Guam
Ready for Guam?
Pay in crypto, scan the QR, and land connected. No card, no ID to buy. Set it up before you fly and you are online the second you arrive.