A Guernsey eSIM is a virtual SIM card that connects you instantly to Guernsey mobile networks (Sure, Airtel-Vodafone) without a physical card. Plans start at ~$3 for 1 GB, up to $47 for unlimited.
Do you really need an eSIM? IMPORTANT: Guernsey is NOT in the EU, so free EU roaming does NOT apply. If you have a European plan, you will be charged international roaming rates. The Guernsey eSIM is recommended for all visitors.
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| # | Plan | Data | Duration | Price/GB | Code | Price | Action |
|---|---|---|---|---|---|---|---|
1 |  30 days - 10GB5G Saily Compatible apps WhatsAppMapsInstagramTikTok+6 Coverage:  | 10.00GB | 30 days | $2.72 | -10% | $27.24$30.27 | |
2 |  Guernsey GoMoWorld Compatible apps WhatsAppMapsInstagramTikTok+6 Coverage: | 7.00GB | 30 days | $1.54 | -10% | $10.78$11.98 | |
3 |  Guernsey – 7 jours GigSkyJersey AIrtel Compatible apps WhatsAppMapsInstagramTikTok+6 Coverage: | 1.00GB | 7 days | $7.40 | -15% | $7.40$8.71 | |
4 |  30 days - 3GB5G eSIMoeSIMo Compatible apps WhatsAppMapsInstagramTikTok+6 Coverage: | 3.00GB | 30 days | $2.54 | -30% | $7.63$10.90 | |
5 |  Guernsey 20GB Orange TravelOrange Incoming callsSMSe-KYC required Compatible apps WhatsAppMapsInstagramTikTok+6 Coverage: | 20.00GB | 14 days | $1.03 | -5% | $20.70$21.79 | |
6 |  7 jours - Data illimitée Holafly Compatible apps WhatsAppMapsInstagramTikTok+6 Coverage: | Unlimited | 7 days | ∞ | -5% | $27.85$29.32 | |
7 |  Europe 35 Countries 20 GO for 31 days LinkeSIM Compatible apps WhatsAppMapsInstagramTikTok+6 Coverage: | 20.00GB | 31 days | $1.25 | - | $25.00 | |
8 | Guernsey – 7 jours GigSkyJersey AIrtel Compatible apps WhatsAppMapsInstagramTikTok+6 Coverage: | 0.10GB | 7 days | $0.00 | -15% | $0.00 | |
9 |  500 GB, Unlimited Call & SMS - 90 Days RoamifySure Mobile Compatible apps WhatsAppMapsInstagramTikTok+6 Coverage: | 500.00GB | 90 days | $0.23 | -5% | $114.00$120.00 | |
10 | 500 GB, Unlimited Call & SMS - 90 Days RoamifySure Mobile Compatible apps WhatsAppMapsInstagramTikTok+6 Coverage: | 500.00GB | 90 days | $0.23 | -5% | $114.00$120.00 | |
11 | 500 GB, Unlimited Call & SMS - 90 Days RoamifySure Mobile Compatible apps WhatsAppMapsInstagramTikTok+6 Coverage: | 500.00GB | 90 days | $0.23 | -5% | $114.00$120.00 | |
12 | 500 GB, Unlimited Call & SMS - 90 Days RoamifySure Mobile Compatible apps WhatsAppMapsInstagramTikTok+6 Coverage: | 500.00GB | 90 days | $0.23 | -5% | $114.00$120.00 | |
13 | 500 GB, Unlimited Call & SMS - 90 Days RoamifySure Mobile Compatible apps WhatsAppMapsInstagramTikTok+6 Coverage: | 500.00GB | 90 days | $0.23 | -5% | $114.00$120.00 | |
14 | 500 GB, Unlimited Call & SMS - 90 Days RoamifySure Mobile Compatible apps WhatsAppMapsInstagramTikTok+6 Coverage: | 500.00GB | 90 days | $0.23 | -5% | $114.00$120.00 | |
15 | 500 GB, Unlimited Call & SMS - 90 Days RoamifySure Mobile Compatible apps WhatsAppMapsInstagramTikTok+6 Coverage: | 500.00GB | 90 days | $0.23 | -5% | $114.00$120.00 |
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Airalo is recommended: 5 GB for $7.65 with code ESIMP15. For small budgets, GoMoWorld offers 10 GB at $6.30 with code ESIMP. For unlimited, Holafly from $47 for 15 days.
Yes, highly recommended. Guernsey is NOT in the EU, so free EU roaming does not apply. International roaming costs between $0.20 and $0.50 per MB. For a week with moderate usage, you can easily spend $30 to $80. An eSIM costs $3 to $10 for 1-10 GB.
From ~$3 (1 GB) to $47 (unlimited 15 days). Very competitive prices compared to international roaming. Best value for money: GoMoWorld 10 GB at $6.30 with code ESIMP. Airalo 5 GB at $7.65 with code ESIMP15 is recommended.
Free WiFi is available in some hotels and cafes, but it has security risks and variable reliability. An eSIM offers secure and reliable connectivity everywhere, even while traveling. Ideal to combine both: WiFi in hotel, eSIM on the go.
Excellent throughout the island (95%), with two carriers: Sure (leader 60%, 5G) and Airtel-Vodafone (40%, 5G). Perfect 4G/5G coverage in St. Peter Port. Good coverage on Herm Island. Limited coverage on Sark Island. Excellent coverage throughout the main island.
Guernsey is a British Crown Dependency and is NOT a member of the EU or EEA, so free EU roaming regulations do not apply. International roaming rates apply, which are expensive ($0.20 to $0.50 per MB).
Holafly: allowed. Airalo: generally yes. GoMoWorld, Saily: works but not guaranteed. Plan 15+ GB for 2 people or opt for Holafly unlimited.
24-48 hours before departure from your WiFi. Validity starts at first connection in Guernsey. You can install before leaving and activate upon arrival.
1. Verify eSIM is set as primary data line 2. Enable "Data Roaming" 3. Restart your phone 4. Verify you are in Guernsey (timer starts at first connection) 5. Contact 24/7 support (Airalo, GoMoWorld, Holafly)
Three common travel styles, three focused picks. Enter the partner promo code at checkout, then fine-tune plans in the comparison table above.
A few days on the ground: maps, messaging and socials.
Recommended minimum: 5 GB
For short stays, compare data, duration and price across providers: enough for maps, messaging and socials without overpaying.
Up to 3 plans that match this travel style
Several phones, mixed usage, you want peace of mind.
Recommended minimum: 20 GB
For families, favor large buckets or unlimited for the whole trip, then double-check hotspot rules and fair-use policies.
Up to 3 plans that match this travel style
Video calls, large files, sustained mobile usage.
Recommended minimum: 30 GB
For remote work, aim for a comfortable allowance (often 30+ GB) or unlimited, and validate network coverage and stability for your destination.
Up to 3 plans that match this travel style
Guernsey is NOT in the EU, so free EU roaming does NOT apply. If you have a European plan, you will be charged international roaming rates (often $0.20-$0.50 per MB). An eSIM is highly recommended to avoid expensive charges.
The Guernsey eSIM is recommended for:
Guernsey has excellent 4G/5G coverage (95%) throughout the island thanks to two major carriers:
| Carrier | Coverage | 5G | Market Share | Used by |
|---|---|---|---|---|
| Sure | 95% | Yes | 60% (leader) | Airalo, GoMoWorld |
| Airtel-Vodafone | 93% | Yes | 40% | Holafly, Saily |
Compatibility: iPhone XS+, Samsung S20+, Pixel 3+, Xiaomi 12+, OnePlus 8+
Comparatif
| # | Fournisseur | Data | Durée | Prix | Code promo | Idéal pour | |
|---|---|---|---|---|---|---|---|
| 1 |  | 5 GB | 30 days | $7.65 | Global leader + Sure network | ||
| 2 |  | Unlimited | 15 days | $47 | — | Unlimited data + hotspot | |
| 3 |  | 10 GB | 30 days | $6.30 | Best value for money | ||
| 4 |  | 3 GB | 30 days | $5.69 | NordVPN included | ||
| 5 |  | 3 GB | 30 days | $8.99 | — | Reliable network |
For all visitors to Guernsey, an eSIM is highly recommended as Guernsey is outside the EU and international roaming costs are expensive ($0.20 to $0.50 per MB).
Best choice: Airalo 5 GB at $7.65 with code ESIMP15 offers excellent coverage on Sure's network throughout the island.
For heavy users: Holafly unlimited eliminates any stress, even for streaming and hotspot.
Small budget: GoMoWorld 10 GB at $6.30 with code ESIMP offers excellent value for money.
Developer and digital nomad, I lived between Canada and the United States before continuing to explore the world. After struggling with internet connectivity abroad one too many times, I created eSIMPlanet to compare plans clearly and honestly. Every article is carefully written and reviewed to save you time and money.
