GU
All Guam eSIM plans compared
| Provider | Price (5GB) | Coverage | Rating | Best For |
|---|---|---|---|---|
| HelloRoam | $19.95 | GTA Wireless | 4.9/5 | Best overall |
| Airalo | $16.00 | 200+ countries | 4.5/5 | Most destinations |
| Holafly | Unlimited | 160 countries | 4.2/5 | Heavy users |
Our top 3 picks for Guam
We evaluated 5 eSIM plans available for Guam, comparing them on verified pricing, network coverage, activation speed, and app quality. Five stood out.
Pros: Lowest price per GB, fast activation, Guam coverage on GTA Wireless. Cons: Newer brand, smaller community than Airalo.
| Tier | Duration | Discount | Starting price |
|---|---|---|---|
| Short Stay | 1-2 days | 4% off | $6.43$3.22/day · 2d |
| Week Package | 3-9 days | 8% off | $21.57$3.08/day · 7d |
| Extended Stay | 10-19 days | 11% off | $29.82$2.98/day · 10d |
| Monthly Package | 20-29 days | 15% off | $56.95$2.85/day · 20d |
| Long TermBest Value | 30-365 days | 18% off | $82.41$2.75/day · 30d |
Pros: 200+ countries, top-up available, largest community. Cons: Priced above newer competitors on some routes, support response times can vary.
Pros: Truly unlimited data, full-speed on most plans, live chat support 24/7. Cons: Premium pricing, no per-GB options available.
Network coverage in Guam
GTA Wireless (Guam Telephone Authority) is the primary carrier and the largest telecom provider in Guam, operating 4G LTE and 3G across the island. DOCOMO Pacific also provides coverage and is popular with Japanese travelers. GTA Wireless has the widest footprint for international visitors, covering Tumon Bay, Hagåtña, the southern villages, and the main highway corridors.
Most eSIM plans for international visitors use GTA Wireless.
Coverage analysis
GTA Wireless 4G LTE covers Tumon Bay's entire resort strip including the major hotel towers, shopping malls like Micronesia Mall and GPO, and the beach. Antonio B. Won Pat International Airport connects on arrival.
Hagåtña capital district has solid 4G. Route 1 along the west coast from Tumon to Merizo has consistent coverage. Two Lovers Point and Ritidian Point at the island's north tip both have 4G.
The Mariana diving sites on the west coast are accessible via 4G-covered shore areas.
Activation
Scan your eSIM QR code before arriving at Antonio B. Won Pat International Airport (GUM). GTA Wireless activates your plan within 60 seconds of landing.
Airport SIM card vendors operate near arrivals but involve a queue; an eSIM skips this entirely. Guam uses US-standard time zones and USD currency. iPhone XS or newer, Pixel 3a or newer, and Galaxy S20 or newer support eSIM. Device must be carrier-unlocked.
Data usage tips
Budget 450-550 MB per day at Tumon Bay resorts for shopping navigation, resort booking apps, social media, and Google Maps for the military history sites in the south. The Guam Shopping Festival and tax-free electronics stores on Tumon's main strip are easy to navigate on 4G. Diving bookings with local operators use minimal data.
A 7-day plan comfortably covers a standard Guam resort holiday. Download War in the Pacific National Historical Park guides offline for the southern tour route.
How we evaluated plans for Guam
Guam eSIM plans start at $7.99 for 7 days on GTA Wireless. HelloRoam unlimited plans cost $13.62 per day, $39.16 for 3 days, $91.38 for 7 days, $176.81 for 14 days, or $349.07 for 30 days. An eSIM saves an estimated $27 compared to roaming.
The 7-day unlimited plan at $91.38 is the practical choice for a full Guam resort holiday. Day-trippers from Saipan or transit passengers can use the 1-day plan at $13.62.
Best eSIM plans for Guam in 2026
| Plan | Network | Validity | Price |
|---|---|---|---|
| Guam Unlimited 1Day ⭐ | GTA Wireless | 1d / 0GB | $13.62 |
| Guam Unlimited 3Day | GTA Wireless | 3d / 0GB | $39.16 |
| Guam Unlimited 7Day | GTA Wireless | 7d / 0GB | $91.38 |
| Guam Unlimited 14Day | GTA Wireless | 14d / 0GB | $176.81 |
| Guam Unlimited 30Day | GTA Wireless | 30d / 0GB | $349.07 |
Prices verified: May 2026
Questions about Guam eSIMs
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Provider reviews
Read our in-depth reviews of the top eSIM providers available in Guam.
