Free eSIM for Croatia 
3 GB of free mobile data across Croatia — from Dubrovnik's city walls to Hvar's limestone ports. Install on the plane, walk through Split Airport already online, skip the Hrvatski Telekom kiosk at the ferry terminal.
Free for new users · Credit card for identity verification only — never charged · Valid 3 days
Why an eSIM beats a Croatian prepaid
Croatia joined the Eurozone in 2023, which simplified payments but didn't remove SIM registration — you still hand over your passport at any HT or A1 shop. Tourist SIMs run around €15 for 10 GB, reasonable value, but peak-season queues at Split and Dubrovnik airport shops can stretch to 45 minutes when a cruise ship is in port. A 99esim installs in two minutes from the ferry deck, works on every island with a tower, and skips the queue entirely.
- No passport-at-the-counter registration
- Works across the 1,200+ Dalmatian islands that have cell coverage
- Same plan carries into Slovenia, Italy, Bosnia-Herzegovina, Montenegro (39 countries total)
- 3 GB is enough for a week of Maps, Split + Hvar + Korčula
How Croatian networks handle 99esim
99esim's primary host is Hrvatski Telekom (HT), the Deutsche Telekom subsidiary that dominates coverage along the Dalmatian coast and across the interior. You'll find 5G in Zagreb, Split, Rijeka, Osijek and Pula, plus along the A1 motorway spine down to Ploče. Island coverage is real but patchy — main ports always have signal, remote beaches often don't.
Arriving at a Croatian airport
Dubrovnik and Split are the two busiest entry points for coast-bound tourists; Zagreb is the inland hub. All have full 5G at gates. Activate your eSIM on the plane and you'll have ferry tickets open by baggage claim — which matters when you're trying to make the 2pm Jadrolinija boat to Hvar.
The Pleso Prijevoz shuttle to the main bus station runs every 30 minutes and keeps signal through the whole 25-minute ride. 5G is strongest in the new 2017 terminal.
Busiest summer airport in Croatia. The 37 bus to Split city takes 35 minutes; the 38 runs to Trogir. Coverage holds over the coastal road, which matters because the ferry schedule is your lifeline here.
20 km south of the old city. The airport bus to the Pile Gate stays online along the coastal D8. Signal can briefly thin on the Ombla bridge approach.
Small, easy terminal used heavily by Ryanair. Bus 150 to the town centre stays connected through the old town causeway. Great jumping-off for Kornati islands.
Istrian peninsula hub, 7 km from Pula's Roman amphitheatre. Bus to the bus station runs every 40 minutes. Coverage holds through Veruda and the city centre.
Technically on Krk island, connected by the Krk Bridge. The 30-minute drive across the bridge to Rijeka city stays online the whole way.
Where your free eSIM works best
What 3 GB actually gets you in Croatia
Island-hopping means lots of ferry timetable checks and photo uploads between stops. Here's how 3 GB divides for a typical summer itinerary:
Croatia-specific travel tips
Island-hopping ferry coverage
Jadrolinija and Krilo ferries keep signal on the short Split–Brač and Split–Šolta hops because you're always within 5 km of a tower. The longer Split–Hvar–Korčula–Dubrovnik coastal line loses signal for 15–20 minute stretches mid-channel. Download your itinerary offline before boarding.
National park black spots
Plitvice Lakes and Krka have scattered coverage — HT towers serve the main entrances and restaurants, but deeper trail sections (Upper Lakes, Roški Slap) drop out. Save trail maps offline. Signal always returns at the parking areas and park offices.
Dubrovnik city walls
The full 2 km city wall circuit has reliable 4G — the towers on Srđ hill above town have line-of-sight to every section of wall. Great for live-streaming the sunset view across the red roofs.
Remote Dalmatian islands (Vis, Lastovo, Mljet)
Vis Town and Komiža have full 4G; the island interior thins out fast. Lastovo has a single operational tower covering the port — the rest of the island is a signal desert. Use it for offline exploration, not live streaming.
Crossing into Bosnia and Montenegro
The Dubrovnik-Kotor drive crosses a short 9 km stretch of Bosnian territory around Neum — your eSIM handles the two border handoffs automatically. You'll see three operator names in 30 minutes, but data keeps flowing.
Travelers who used 99esim in Croatia
"Week in Split with day trips to Hvar and Brač. eSIM worked at every harbour and most of the beaches. Only lost signal on the outer end of Zlatni Rat."
"Walked the Dubrovnik walls with my sister and uploaded the whole circuit to Instagram in real time. Not a single dropout."
"Drove from Rijeka down to Dubrovnik along the coast road. eSIM held through every tunnel on the A1 and even most of the ferry crossings."
Frequently asked — Croatia edition
Will the eSIM work on Hvar, Korčula, Brač, Vis?
Yes on all main ports and towns. Hvar Town, Jelsa, Korčula Town, Bol, Supetar, Vis Town and Komiža all have full 4G through HT and A1. Remote beaches and interior hill trails can drop signal — save Maps offline before the day trip if you're heading somewhere remote.
Is Plitvice Lakes covered?
Partially. The main entrances (Entry 1 and Entry 2), the restaurants and the boat dock have reliable 4G. Deeper trail sections, especially around the Upper Lakes loops, can go dark for stretches. Download offline maps before you walk in.
Can I use it on a ferry between the islands?
Yes on short hops — Split to Brač, Split to Šolta, Zadar to Ugljan all stay connected. Longer coastal runs like Split to Dubrovnik have 15–20 minute signal gaps mid-channel. The catamarans are the same story as the larger car ferries.
Does it work when I drive into Montenegro or Bosnia?
Yes — 39 European countries on one profile. The Dubrovnik-Kotor drive passes through a short Bosnian coastal strip at Neum; you'll hand off three times in one hour but won't lose connectivity for more than a few seconds at each border.
Is 5G available in Split and Dubrovnik?
Yes in the city centres. Split has full 5G around Diocletian's Palace, the Riva waterfront and Bačvice. Dubrovnik 5G covers the old town and the Lapad hotel area. Outside those pockets you'll be on LTE, which is plenty fast.
What happens after the free 3 GB?
Top up in the 99esim app — Croatia-specific add-ons start at around €2.99 for 1 GB. No automatic renewal, no card charge unless you actively choose to buy more. Your 30-day window doesn't change either way.
Free eSIM in other European countries
Your 3 GB works in all 39 countries. Here are a few more popular destinations:
See all 39 countries →
Ready to claim your free 3 GB in Croatia?
Install the 99esim app, create a free account, and your data is live in about 90 seconds.