The best eSIM for Guam

GoMoWorld · 30GB / 30 days · $35.99 total

Lowest stored total

$4.99

GoMoWorld · 2GB / 7 days

Get this GoMoWorld plan

Lowest stored $/GB

$1.20

Get this GoMoWorld plan

Plans tracked

across 5 providers, stored snapshots

Longest plan available

365 days

Saily · for extended stays in Guam

Get this Saily plan

Every plan we track for Guam

33 plans across 5 providers, sorted by price-per-gigabyte. Numbers come from stored country-plan snapshots. Confirm current prices with the provider. Showing 15 below - the 14 cheapest by $/GB plus each provider's best plan and qualified website observations.

Saily: 1 historical entries excluded from current comparisons

These historical variants cannot be matched reliably to current merchant products. We compare separately captured offers instead. This does not establish that the old plans were discontinued or that a current offer descends from any particular old entry.

1GB · 7 days · historical $7.99 · 2026-03-17 · not a current quote

Provider	Data	Days	Network	Price	$/GB	Get
GoMoWorld	30GB	30	Network names and 5G availability unknown	$35.99 Offer source and terms Partial retained offer; advertised price observed 2026-10-10; product and policy review dates unknown. Official offer source Partial retained fixed offer: explicit merchant USD bundle price, active public offer, exact single-country coverage and native ID allowance/duration label observed. Product and policy review dates unknown. Raw volume units and historical relationship to legacy tiers are unknown; existing offers remain visible. Tax, checkout, activation, network/5G, FUP and full eligibility are unverified. No independent external SKU was supplied. No separate bonus appears in the retained offer; sale status is unverified.	$1.20	Get →
GoMoWorld	20GB	30	Network names and 5G availability unknown	$24.99 Offer source and terms Partial retained offer; advertised price observed 2026-10-10; product and policy review dates unknown. Official offer source Partial retained fixed offer: explicit merchant USD bundle price, active public offer, exact single-country coverage and native ID allowance/duration label observed. Product and policy review dates unknown. Raw volume units and historical relationship to legacy tiers are unknown; existing offers remain visible. Tax, checkout, activation, network/5G, FUP and full eligibility are unverified. No independent external SKU was supplied. No separate bonus appears in the retained offer; sale status is unverified.	$1.25	Get →
GoMoWorld	9GB	30	Network names and 5G availability unknown	$12.99 Offer source and terms Partial retained offer; advertised price observed 2026-10-10; product and policy review dates unknown. Official offer source Partial retained fixed offer: explicit merchant USD bundle price, active public offer, exact single-country coverage and native ID allowance/duration label observed. Product and policy review dates unknown. Raw volume units and historical relationship to legacy tiers are unknown; existing offers remain visible. Tax, checkout, activation, network/5G, FUP and full eligibility are unverified. No independent external SKU was supplied. No separate bonus appears in the retained offer; sale status is unverified.	$1.44	Get →
Nomad	20GB	30	Docomo · 5G	$39.00 Offer source and terms Legacy extraction 2026-03-17; not rechecked.	$1.95	Get →
GoMoWorld	2GB	7	Network names and 5G availability unknown	$4.99 Offer source and terms Partial retained offer; advertised price observed 2026-10-10; product and policy review dates unknown. Official offer source Partial retained fixed offer: explicit merchant USD bundle price, active public offer, exact single-country coverage and native ID allowance/duration label observed. Product and policy review dates unknown. Raw volume units and historical relationship to legacy tiers are unknown; existing offers remain visible. Tax, checkout, activation, network/5G, FUP and full eligibility are unverified. No independent external SKU was supplied. No separate bonus appears in the retained offer; sale status is unverified.	$2.50	Get →
Nomad	10GB	30	Network details not rechecked with this price	$29.00 Offer source and terms Advertised price observed 2026-10-06; other terms not rechecked. Official offer source Retained explicit merchant USD amount; page context selected EUR, no conversion or USD checkout verification. Matched unique country/GB/days; historical SKU continuity, policy, tax and completeness unverified. Only this matched bundle’s price was observed; other offers and product terms were not refreshed. Original product evidence: 2026-03-17. Checkout total, tax and current policy remain unverified.	$2.90	Get →
SailyGlobal 20GB 365 days · global coverage (121 countries)	20GB	365	Offer network and 5G availability unknown	$66.99 Offer source and terms Advertised partner-catalog price seen in browser 2026-10-14; network capture time and checkout unverified. Global 20GB 365 days · global coverage. Native fixed allowance: 20 GB; duration and USD bundle price are advertised in the saved catalog. Exact covered countries: AE, AL, AM, AR, AT, AU, BE, BG, BL, BR, CA, CH, CL, CN, CO, CR, CY, CZ, DE, DK, DO, EC, EE, ES, FI, FJ, FO, FR, GB, GD, GF, GG, GH, GI, GP, GR, GT, GY, HK, HN, HR, HU, ID, IE, IL, IN, IS, IT, JE, JM, JP, KH, KR, KZ, LI, LK, LT, LU, LV, MC, ME, MF, MQ, MT, MX, MY, MZ, NI, NL, NO, NZ, PA, PE, PH, PL, PR, PT, PY, QA, RE, RO, RS, SA, SE, SG, SI, SK, SV, TH, TR, TW, US, UY, VN, WS, ZA, AD, AF, AZ, BA, BD, BO, DZ, EG, GE, GU, IQ, JO, KW, LA, MA, MO, MU, NG, OM, PK, RW, TN, UA, UZ, XK. Network, 5G, hotspot, activation, refund, complete policy, individual eligibility and final checkout total unverified. Browser observation is date-only; original network timing and HTTP status are unknown. Offer selection and availability may vary by session. Confirm the duration and price with Saily. View Saily options · Official source	$3.35	Get →
Nomad	5GB	30	Network details not rechecked with this price	$19.00 Offer source and terms Advertised price observed 2026-10-06; other terms not rechecked. Official offer source Retained explicit merchant USD amount; page context selected EUR, no conversion or USD checkout verification. Matched unique country/GB/days; historical SKU continuity, policy, tax and completeness unverified. Only this matched bundle’s price was observed; other offers and product terms were not refreshed. Original product evidence: 2026-03-17. Checkout total, tax and current policy remain unverified.	$3.80	Get →
SailyGlobal 30GB 90 days · global coverage (121 countries)	30GB	90	Offer network and 5G availability unknown	$119.99 Offer source and terms Advertised partner-catalog price seen in browser 2026-10-14; network capture time and checkout unverified. Global 30GB 90 days · global coverage. Native fixed allowance: 30 GB; duration and USD bundle price are advertised in the saved catalog. Exact covered countries: AE, AL, AM, AR, AT, AU, BE, BG, BL, BR, CA, CH, CL, CN, CO, CR, CY, CZ, DE, DK, DO, EC, EE, ES, FI, FJ, FO, FR, GB, GF, GG, GH, GI, GP, GR, GT, HK, HN, HR, HU, ID, IE, IL, IN, IS, IT, JE, JM, JP, KH, KR, KZ, LI, LK, LT, LU, LV, MC, MD, ME, MF, MQ, MT, MX, MY, MZ, NI, NL, NO, NZ, PA, PE, PH, PL, PR, PT, PY, QA, RE, RO, RS, SA, SE, SG, SI, SK, SV, TH, TR, TW, TZ, US, UY, VN, WS, ZA, AD, AF, AZ, BA, BD, BO, DZ, EG, GE, GU, IQ, JO, KW, LA, MA, MO, MU, NG, OM, PK, RW, TN, UA, UZ, XK. Network, 5G, hotspot, activation, refund, complete policy, individual eligibility and final checkout total unverified. Browser observation is date-only; original network timing and HTTP status are unknown. Offer selection and availability may vary by session. Confirm the duration and price with Saily. View Saily options · Official source	$4.00	Get →
SailyGlobal 10GB 30 days · global coverage (121 countries)	10GB	30	Offer network and 5G availability unknown	$44.99 Offer source and terms Advertised partner-catalog price seen in browser 2026-10-14; network capture time and checkout unverified. Global 10GB 30 days · global coverage. Native fixed allowance: 10 GB; duration and USD bundle price are advertised in the saved catalog. Exact covered countries: AD, AE, AF, AL, AM, AR, AT, AU, AZ, BD, BE, BG, BL, BO, BR, CA, CH, CL, CN, CO, CR, CY, CZ, DE, DK, DO, DZ, EC, EE, EG, ES, FI, FJ, FO, FR, GB, GE, GF, GG, GH, GI, GP, GR, GT, HK, HN, HR, HU, ID, IE, IL, IN, IQ, IS, IT, JE, JM, JO, JP, KH, KR, KW, KZ, LI, LK, LT, LU, LV, MA, MC, ME, MF, MO, MQ, MT, MX, MY, MZ, NG, NI, NL, NO, NZ, OM, PA, PE, PH, PK, PL, PR, PT, PY, QA, RE, RO, RS, RW, SA, SE, SG, SI, SK, SV, TH, TN, TR, TW, UA, US, UY, UZ, VN, WS, ZA, MU, XK, GU, TZ, MD, BA, LA. Network, 5G, hotspot, activation, refund, complete policy, individual eligibility and final checkout total unverified. Browser observation is date-only; original network timing and HTTP status are unknown. Offer selection and availability may vary by session. Confirm the duration and price with Saily. View Saily options · Official source	$4.50	Get →
Virgin Connect	20GB	30	Network details not rechecked with this price	$93.50 Offer source and terms Advertised price observed 2026-10-06; other terms not rechecked. Official offer source Retained country-bound card explicitly labels USD; unchanged unique country/GB/days amount. Historical SKU continuity, policy, tax, checkout, sale status and catalog completeness unverified. Only this matched bundle’s price was observed; other offers and product terms were not refreshed. Original product evidence: 2026-03-16. Checkout total, tax and current policy remain unverified.	$4.67	Get →
Saily	10GB	30	Network names and 5G availability unknown	$48.99 Offer source and terms Partial retained offer; advertised price observed 2026-10-10; full product and policy review dates unknown. Official offer source New partial public offer from retained 10 October USD page/session evidence. Current native UUID, singleton country coverage, allowance, duration and advertised amount are observed. Product/SKU identity beyond that UUID is unknown; package_identifier is absent. 3% Saily credits are rewards, not deducted. Checkout, tax, network, 5G, hotspot, activation and refund terms are unverified. Full product and policy review dates are unknown; do not inherit sibling-offer or provider-profile features.	$4.90	Get →
Nomad	3GB	30	Network details not rechecked with this price	$15.00 Offer source and terms Advertised price observed 2026-10-06; other terms not rechecked. Official offer source Retained explicit merchant USD amount; page context selected EUR, no conversion or USD checkout verification. Matched unique country/GB/days; historical SKU continuity, policy, tax and completeness unverified. Only this matched bundle’s price was observed; other offers and product terms were not refreshed. Original product evidence: 2026-03-17. Checkout total, tax and current policy remain unverified.	$5.00	Get →
Virgin Connect	10GB	30	Network details not rechecked with this price	$53.00 Offer source and terms Advertised price observed 2026-10-06; other terms not rechecked. Official offer source Retained country-bound card explicitly labels USD; unchanged unique country/GB/days amount. Historical SKU continuity, policy, tax, checkout, sale status and catalog completeness unverified. Only this matched bundle’s price was observed; other offers and product terms were not refreshed. Original product evidence: 2026-03-16. Checkout total, tax and current policy remain unverified.	$5.30	Get →
Roamless	1GB	PAYG	Network details not rechecked with this price	$19.95 Offer source and terms Advertised FLEX rate observed 2026-10-10; usage illustration; other terms not rechecked. Official offer source Advertised FLEX rate: $19.95/GB. Synthetic usage illustration, not a merchant bundle. Original product evidence: 2026-03-17. Other product and policy terms, wallet top-up, tax and checkout total were not verified. PAYG usage illustration; the required wallet top-up is unknown.	$19.95	Get →

GoMoWorld

$35.99

Offer source and terms

Partial retained offer; advertised price observed 2026-10-10; product and policy review dates unknown. Official offer source

Partial retained fixed offer: explicit merchant USD bundle price, active public offer, exact single-country coverage and native ID allowance/duration label observed. Product and policy review dates unknown. Raw volume units and historical relationship to legacy tiers are unknown; existing offers remain visible. Tax, checkout, activation, network/5G, FUP and full eligibility are unverified. No independent external SKU was supplied. No separate bonus appears in the retained offer; sale status is unverified.

Data: 30GB
Days: 30
$/GB: $1.20
Network: Network names and 5G availability unknown

GoMoWorld

$24.99

Offer source and terms

Partial retained offer; advertised price observed 2026-10-10; product and policy review dates unknown. Official offer source

Data: 20GB
Days: 30
$/GB: $1.25
Network: Network names and 5G availability unknown

GoMoWorld

$12.99

Offer source and terms

Partial retained offer; advertised price observed 2026-10-10; product and policy review dates unknown. Official offer source

Data: 9GB
Days: 30
$/GB: $1.44
Network: Network names and 5G availability unknown

Nomad

$39.00

Offer source and terms

Legacy extraction 2026-03-17; not rechecked.

Data: 20GB
Days: 30
$/GB: $1.95
Network: Docomo · 5G

GoMoWorld

$4.99

Offer source and terms

Partial retained offer; advertised price observed 2026-10-10; product and policy review dates unknown. Official offer source

Data: 2GB
Days: 7
$/GB: $2.50
Network: Network names and 5G availability unknown

Nomad

$29.00

Offer source and terms

Advertised price observed 2026-10-06; other terms not rechecked. Official offer source

Retained explicit merchant USD amount; page context selected EUR, no conversion or USD checkout verification. Matched unique country/GB/days; historical SKU continuity, policy, tax and completeness unverified. Only this matched bundle’s price was observed; other offers and product terms were not refreshed. Original product evidence: 2026-03-17. Checkout total, tax and current policy remain unverified.

Data: 10GB
Days: 30
$/GB: $2.90
Network: Network details not rechecked with this price

SailyGlobal 20GB 365 days · global coverage (121 countries)

$66.99

Offer source and terms

Advertised partner-catalog price seen in browser 2026-10-14; network capture time and checkout unverified. Global 20GB 365 days · global coverage.

Native fixed allowance: 20 GB; duration and USD bundle price are advertised in the saved catalog.

Exact covered countries: AE, AL, AM, AR, AT, AU, BE, BG, BL, BR, CA, CH, CL, CN, CO, CR, CY, CZ, DE, DK, DO, EC, EE, ES, FI, FJ, FO, FR, GB, GD, GF, GG, GH, GI, GP, GR, GT, GY, HK, HN, HR, HU, ID, IE, IL, IN, IS, IT, JE, JM, JP, KH, KR, KZ, LI, LK, LT, LU, LV, MC, ME, MF, MQ, MT, MX, MY, MZ, NI, NL, NO, NZ, PA, PE, PH, PL, PR, PT, PY, QA, RE, RO, RS, SA, SE, SG, SI, SK, SV, TH, TR, TW, US, UY, VN, WS, ZA, AD, AF, AZ, BA, BD, BO, DZ, EG, GE, GU, IQ, JO, KW, LA, MA, MO, MU, NG, OM, PK, RW, TN, UA, UZ, XK. Network, 5G, hotspot, activation, refund, complete policy, individual eligibility and final checkout total unverified. Browser observation is date-only; original network timing and HTTP status are unknown.

Offer selection and availability may vary by session. Confirm the duration and price with Saily.

Data: 20GB
Days: 365
$/GB: $3.35
Network: Offer network and 5G availability unknown

Nomad

$19.00

Offer source and terms

Advertised price observed 2026-10-06; other terms not rechecked. Official offer source

Data: 5GB
Days: 30
$/GB: $3.80
Network: Network details not rechecked with this price

SailyGlobal 30GB 90 days · global coverage (121 countries)

$119.99

Offer source and terms

Advertised partner-catalog price seen in browser 2026-10-14; network capture time and checkout unverified. Global 30GB 90 days · global coverage.

Native fixed allowance: 30 GB; duration and USD bundle price are advertised in the saved catalog.

Exact covered countries: AE, AL, AM, AR, AT, AU, BE, BG, BL, BR, CA, CH, CL, CN, CO, CR, CY, CZ, DE, DK, DO, EC, EE, ES, FI, FJ, FO, FR, GB, GF, GG, GH, GI, GP, GR, GT, HK, HN, HR, HU, ID, IE, IL, IN, IS, IT, JE, JM, JP, KH, KR, KZ, LI, LK, LT, LU, LV, MC, MD, ME, MF, MQ, MT, MX, MY, MZ, NI, NL, NO, NZ, PA, PE, PH, PL, PR, PT, PY, QA, RE, RO, RS, SA, SE, SG, SI, SK, SV, TH, TR, TW, TZ, US, UY, VN, WS, ZA, AD, AF, AZ, BA, BD, BO, DZ, EG, GE, GU, IQ, JO, KW, LA, MA, MO, MU, NG, OM, PK, RW, TN, UA, UZ, XK. Network, 5G, hotspot, activation, refund, complete policy, individual eligibility and final checkout total unverified. Browser observation is date-only; original network timing and HTTP status are unknown.

Offer selection and availability may vary by session. Confirm the duration and price with Saily.

Data: 30GB
Days: 90
$/GB: $4.00
Network: Offer network and 5G availability unknown

SailyGlobal 10GB 30 days · global coverage (121 countries)

$44.99

Offer source and terms

Advertised partner-catalog price seen in browser 2026-10-14; network capture time and checkout unverified. Global 10GB 30 days · global coverage.

Native fixed allowance: 10 GB; duration and USD bundle price are advertised in the saved catalog.

Exact covered countries: AD, AE, AF, AL, AM, AR, AT, AU, AZ, BD, BE, BG, BL, BO, BR, CA, CH, CL, CN, CO, CR, CY, CZ, DE, DK, DO, DZ, EC, EE, EG, ES, FI, FJ, FO, FR, GB, GE, GF, GG, GH, GI, GP, GR, GT, HK, HN, HR, HU, ID, IE, IL, IN, IQ, IS, IT, JE, JM, JO, JP, KH, KR, KW, KZ, LI, LK, LT, LU, LV, MA, MC, ME, MF, MO, MQ, MT, MX, MY, MZ, NG, NI, NL, NO, NZ, OM, PA, PE, PH, PK, PL, PR, PT, PY, QA, RE, RO, RS, RW, SA, SE, SG, SI, SK, SV, TH, TN, TR, TW, UA, US, UY, UZ, VN, WS, ZA, MU, XK, GU, TZ, MD, BA, LA. Network, 5G, hotspot, activation, refund, complete policy, individual eligibility and final checkout total unverified. Browser observation is date-only; original network timing and HTTP status are unknown.

Offer selection and availability may vary by session. Confirm the duration and price with Saily.

Data: 10GB
Days: 30
$/GB: $4.50
Network: Offer network and 5G availability unknown

Virgin Connect

$93.50

Offer source and terms

Advertised price observed 2026-10-06; other terms not rechecked. Official offer source

Retained country-bound card explicitly labels USD; unchanged unique country/GB/days amount. Historical SKU continuity, policy, tax, checkout, sale status and catalog completeness unverified. Only this matched bundle’s price was observed; other offers and product terms were not refreshed. Original product evidence: 2026-03-16. Checkout total, tax and current policy remain unverified.

Data: 20GB
Days: 30
$/GB: $4.67
Network: Network details not rechecked with this price

Saily

$48.99

Offer source and terms

Partial retained offer; advertised price observed 2026-10-10; full product and policy review dates unknown. Official offer source

New partial public offer from retained 10 October USD page/session evidence. Current native UUID, singleton country coverage, allowance, duration and advertised amount are observed. Product/SKU identity beyond that UUID is unknown; package_identifier is absent. 3% Saily credits are rewards, not deducted. Checkout, tax, network, 5G, hotspot, activation and refund terms are unverified. Full product and policy review dates are unknown; do not inherit sibling-offer or provider-profile features.

Data: 10GB
Days: 30
$/GB: $4.90
Network: Network names and 5G availability unknown

Nomad

$15.00

Offer source and terms

Advertised price observed 2026-10-06; other terms not rechecked. Official offer source

Data: 3GB
Days: 30
$/GB: $5.00
Network: Network details not rechecked with this price

Virgin Connect

$53.00

Offer source and terms

Advertised price observed 2026-10-06; other terms not rechecked. Official offer source

Data: 10GB
Days: 30
$/GB: $5.30
Network: Network details not rechecked with this price

Roamless

$19.95

Offer source and terms

Advertised FLEX rate observed 2026-10-10; usage illustration; other terms not rechecked. Official offer source

Advertised FLEX rate: $19.95/GB. Synthetic usage illustration, not a merchant bundle. Original product evidence: 2026-03-17. Other product and policy terms, wallet top-up, tax and checkout total were not verified.

PAYG usage illustration; the required wallet top-up is unknown.

Data: 1GB
Days: PAYG
$/GB: $19.95
Network: Network details not rechecked with this price

See 4 GB plans for Guam →

Stored prices may have changed. Google Fi is excluded from the value ranking because it is a full phone plan rather than a travel data plan.

How much data will I actually use in Guam?

Most travelers buy too much data and overpay, or buy too little and have to top up. Tell us your trip and we will size the plan based on typical usage.

Trip length

1 day10 days30 days

How you will use it

You will likely need

4 GB

0.4 GB/day × 10 days, with a small buffer

Idea in testingOur own eSIM · not yet available

What if it was just $5.00 a GB, everywhere?

We are considering a BetterSIM eSIM at one flat rate worldwide. No tiers, no bundles, no per-country price shopping, no volume discounts you never reach. The same $5.00 in Guam as in Fiji or Kenya.

Your 4 GB would cost$20.00($5.00/GB, credit never expires)

Straight answer: this would not be the cheapest option. The plans listed on this page are often less per GB, especially in Europe and Asia. It would be the simplest. Savings against Google Fi depend on usage, Bill Protection and speed needs.

How this would work

Network coverage, region by region

Most “best eSIM” pages tell you Guam has good coverage and stop there. Here is what actually works where, by region, sourced from carrier roaming agreements and updated when carriers change partners.

Tumon Bay (Tourist District)

Excellent

GTA TeleGuam, IT&E and Docomo Pacific all run 4G LTE with 5G appearing across the Tumon Bay resort strip, Pleasure Island and the duty-free shopping zone. Some US carrier eSIMs (T-Mobile, AT&T) work as domestic - verify before relying on them.

Hagåtña (Capital) and Central Guam

Excellent

Hagåtña, the Plaza de España, Fort Apugan and the seafront promenade are all fully covered. The cross-island Route 1 highway connecting Tumon to Hagåtña and onward to the south stays connected throughout.

Andersen Air Force Base and Northern Guam

Strong

The Yigo and Dededo districts surrounding Andersen AFB, plus the Two Lovers Point clifftop viewpoint, are well covered. Civilian roads near the base have full signal; the base interior itself has restricted access.

Apra Harbor and Naval Base

Strong

The Naval Base Guam (Apra Harbor) area, the Asan and Piti memorials (WWII Pacific Theater sites) and the road to Sumay are well covered. Carriers transition cleanly between commercial and base-side signals.

Southern Villages and Cetti Bay

Strong

The southern village loop (Umatac, Merizo, Inarajan) and the cliff drives to Cetti Bay viewpoint are all covered. The road to Mount Lamlam and the Chamorro heritage sites stays connected at the main stops.

Cocos Island and Reef

Good

The boat trip from Merizo Pier to Cocos Island Resort and the surrounding lagoon stay connected close to the mainland. Snorkel and dive trips hold signal at the island; the outer reef and deeper Pacific drop briefly.

City-by-city connectivity in Guam

Carrier coverage is the same nationwide story; the airport, the subway, and the free WiFi situation change city by city. Here is what travelers asking specifically about these cities actually need to know.

Tumon

Arriving: Antonio B. Won Pat International (GUM) is close to the Tumon Bay tourist district; transfers are by taxi or hotel shuttle. The airport has 4G/5G from GTA TeleGuam, IT&E and Docomo Pacific. As a US territory, some US carrier plans (T-Mobile, AT&T) include Guam at no extra charge, so check yours.
On the subway and rail: Tumon moves by the red tourist shuttle bus, taxis and rentals; the resort strip along Pale San Vitores Road is walkable. There is no metro. Coverage is excellent across the bay. Route 1 connects Tumon to Hagåtña and the rest of the island, staying connected throughout.
Free public WiFi: The malls and shopping centres (T Galleria, the Tumon Sands Plaza, the Micronesia Mall nearby) and the hotels leave WiFi open. GUM airport has terminal WiFi. Connectivity is easy across the resort district.
Coverage in the city: GTA TeleGuam, IT&E and Docomo Pacific all run 4G with 5G across the Tumon Bay resort strip, Pleasure Island and the duty-free zone. Some US carrier eSIMs (T-Mobile, AT&T) work as domestic here; verify before relying on them. Coverage is strong across the small island.
If you prefer a local SIM: GTA, IT&E and Docomo Pacific sell SIMs at GUM and in Tumon. Many US T-Mobile and AT&T plans include Guam at no surcharge, so check before buying; otherwise a local SIM or eSIM works island-wide.

Hagåtña

Arriving: Antonio B. Won Pat International (GUM) is a short drive from the capital; transfers are by taxi. The airport has 4G/5G from GTA TeleGuam, IT&E and Docomo Pacific. Hagåtña is Guam's small historic capital, just south of the Tumon resort strip on Route 1.
On the subway and rail: Hagåtña moves by taxis, rentals and the Route 1 corridor that links it to Tumon; the seafront and the Plaza de España are walkable. There is no metro. Coverage holds across the capital and the cross-island highway.
Free public WiFi: Cafes, the Chamorro Village market (busy on Wednesday nights) and the hotels provide WiFi. Connectivity is easy across the capital, with the same strong island-wide coverage as the rest of Guam.
Coverage in the city: GTA TeleGuam, IT&E and Docomo Pacific all cover Hagåtña, the Plaza de España, Fort Apugan and the seafront promenade. Route 1 connecting to Tumon and the southern villages stays connected. As across Guam, some US carrier plans work here as domestic.
If you prefer a local SIM: GTA, IT&E and Docomo Pacific sell SIMs at GUM and in the capital area. Check whether your US T-Mobile or AT&T plan includes Guam before buying a local SIM; coverage is consistent island-wide either way.

Local Network Insights

Curated tips to help you stay connected in Guam.

Grab an eSIM before you arrive in Guam to skip local SIM queues. Most urban areas offer 4G or better, while rural regions can slow down, so keep offline maps handy. Activating the eSIM in advance ensures you are connected the moment you clear customs.

Connectivity Overview

What to expect for mobile connectivity in Guam.

Guam is a US territory in the western Pacific with surprisingly strong mobile infrastructure. GTA TeleGuam, IT&E, and Docomo Pacific provide 4G LTE across the island, with coverage particularly strong in Tumon Bay (the main tourist district), Hagatna, and along the main coastal road. As a US territory, some US-based eSIM plans and carrier coverage extend to Guam at no extra charge.

The island is small enough - about 30 miles long - that coverage is fairly consistent everywhere. Military base areas may have restricted access but civilian areas enjoy reliable service. Guam is a popular destination for Japanese and Korean tourists, and the telecom infrastructure reflects this with good international connectivity.

Practical Data Tips

Check if your US eSIM plan covers Guam - many T-Mobile and AT&T plans include it
Coverage is strong across the entire island due to its small size
Tumon Bay resort area has excellent connectivity for all major carriers
Free Wi-Fi is widely available in shopping centers and hotels
Data is useful for navigation between beach spots and tourist attractions

At a Glance

Average Data Cost

~$2-$6/GB

Network Quality

4G LTE island-wide. Strong coverage in Tumon and Hagatna.

eSIM Availability

US territory - US eSIM plans often include Guam. Local eSIM also available.

Major Carriers

GTA TeleGuam

IT&E

Docomo Pacific

Recommended Providers for Guam

Free 1GB Trial

GoMoWorld

4.0·832onTrustpilotAppsiOS 4.8Android 4.4

Plans for Guam

From $4.99

DataValidityPrice

30 GB30 days$35.99

20 GB30 days$24.99

9 GB30 days$12.99

2 GB7 days$4.99

Nomad

4.3·35konTrustpilotAppsiOS 4.8Android 4.7

Plans for Guam

From $11.00

DataValidityPrice

1 GB7 days$11.00

3 GB30 days$15.00

10 GB30 days$29.00

20 GB30 days$39.00

Docomo

Virgin Connect

No third-party service rating yetAppsiOS 4.6Android 4.1

Plans for Guam

From $7.50

DataValidityPrice

1 GB7 days$7.50

3 GB30 days$19.50

10 GB30 days$53.00

20 GB30 days$93.50

$5 Off - Code JEDASE9317

Saily

4.7·25konTrustpilotAppsiOS 4.7Android 4.6

Plans for Guam

From $8.99

DataValidityPrice

1 GBGuam 1GB 7 days · country coverage7 days$14.99

3 GB30 days$24.99

10 GB30 days$48.99

30 GBGlobal 30GB 90 days · global coverage (121 countries)90 days$119.99

Offer source and terms

Advertised partner-catalog price seen in browser 2026-10-14; network capture time and checkout unverified. Global 1GB 7 days · global coverage.

Native fixed allowance: 1 GB; duration and USD bundle price are advertised in the saved catalog.

Offer selection and availability may vary by session. Confirm the duration and price with Saily.

US Residents Only

Google Fi

No third-party service rating yetAppsiOS 4.4Android 4.1

Plans for Guam

From $10.00

Pay-as-you-go: $10.00/GB

DataValidityPrice

1 GB30 days$10.00

3 GB30 days$30.00

10 GB30 days$60.00

$5 Credit - Code 4ZTCB

Roamless

4.5·1.4konTrustpilotAppsiOS 4.7Android 3.5

Plans for Guam

From $19.95

Pay-as-you-go: $19.95/GB

DataValidityPrice

1 GBNo expiry$19.95

3 GBNo expiry$59.85

10 GBNo expiry$199.50