The main carriers are Cosmote, Vodafone, Nova. 4G/5G in Athens and the main islands. On ferry crossings between islands the signal fluctuates in open water.
A travel eSIM like VoaSim uses those same towers: coverage is that of the local networks.
| Option | How it works in practice |
|---|---|
| Travel eSIM | Bought online before the trip, arrives by email and connects on landing. Unlimited from USD 1.59/day at VoaSim, no paperwork or queues. |
| Local SIM | Cosmote, Vodafone and Nova sell tourist prepaids for EUR 15-25 with passport registration. Small islands do not always have an official store: buy in Athens if you go that route. |
| Your carrier's roaming | Convenient but with a daily cost that piles up, and passes usually carry few GB or fair use. Check the exact rate in your app before flying. |
| Wi-Fi only | Free, but leaves you without maps, translator or rides on the street — exactly where you need them most. |
The big islands (Santorini, Mykonos, Crete) have good signal in the towns; in hidden coves and on ferries between islands the signal comes and goes. Cosmote is usually the strongest network on the islands.
Athens airport Wi-Fi is free and stable. In high season, SIM kiosks have long queues: landing connected saves the first hour.
| Days | Price | Per day |
|---|---|---|
| 5 days | USD 16.90 | USD 3.38/day |
| 7 days | USD 23.90 | USD 3.42/day |
| 10 days | USD 30.90 | USD 3.09/day |
| 15 days | USD 42.90 | USD 2.86/day |
| 20 days | USD 51.90 | USD 2.60/day |
| 25 days | USD 58.90 | USD 2.36/day |
| 30 days | USD 62.90 | USD 2.10/day |
| 60 days | USD 112.90 | USD 1.89/day |
Starting prices with today's promo (Europe and most destinations); each destination has its own price. 2 to 4 eSIMs in the same order get an extra 10% off.
Athens, Santorini, Mykonos, Crete, Rhodes and the whole territory with local network coverage. More details on the eSIM for Greece page.
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