Internet in the Dominican Republic: why your resort Wi-Fi won’t follow you

The Dominican Republic is sold to you as the place where you think about nothing: wristband on, mojitos on tap, “free Wi-Fi everywhere”. Except the “everywhere” runs out fast. The day you board the catamaran to Isla Saona, tear off in a buggy through the dust at Macao, or take the boat into Los Haitises, the resort Wi-Fi stays politely at the lobby, and you’re on mobile data or on nothing.

That’s exactly where connectivity is really decided in the DR, and nobody warns you. We’ve looked closely at the three ways to stay reachable out there, plus the roaming trap most Brits only find at the airport. Here’s the honest verdict.

Why you need data in the Dominican Republic (and how much)

Even on all-inclusive, your phone is working: WhatsApp to fix the excursion with your guide, Google Maps when you hire a car for Samaná, the photos you send home in real time, mobile payments, and a translation app when the Spanish comes too fast. Nothing dramatic, but all of it needs a connection that holds up beyond the hotel.

Resort Wi-Fi exists, but it’s temperamental, usually limited to the lobby, and sometimes chargeable for the fast tier. The moment you pass the hotel gate, there’s nothing. For a normal trip you don’t need much, a few hundred MB a day. The real question is how to get it without paying £60 a gigabyte. Three options: roam on your UK plan, buy a local Dominican SIM, or set up a Holafly eSIM before you fly. Here’s the honest comparison.

Solution 1: will your UK phone work in the Dominican Republic, and what does it cost?

Your phone will connect, but the DR sits well outside the EU roaming everyone got used to, so the cost is the catch. The useful headline: only some UK networks have a pass that covers the Dominican Republic, and even those cap your data hard.

• O2: the DR is reachable on an O2 Travel Bolt On at around £6/day using your allowance, the most workable UK option here.
• Vodafone: covered by a Rest of World pass at about £15 for 8 days, but capped at roughly 2 GB, which vanishes fast if you stream.
• Three: the DR is not in Go Roam, so you’re on a day-pass add-on or PAYG at £7-8/day-plus.
• EE: no pass covers the DR, so it’s pay-as-you-go at a punishing per-MB rate.
• Budget MVNOs (Giffgaff, Smarty, Voxi, Lebara): typically 10p per MB, which is £100 a gigabyte, don’t.

Put it next to the alternative: a fortnight of capped roaming runs you £85-110 on most networks, versus an unlimited Holafly eSIM at roughly £49 for 15 days. The eSIM is cheaper and it doesn’t run out mid-excursion.

You’ll find exactly what each UK network charges for the Dominican Republic just below.

Bottom line on roaming: only O2 is genuinely workable, and even then it’s capped. The other two options below are usually the smarter call.

Claro, Altice, Viva: the local operators

Three networks, and they’re far from equal. Claro is the best: the widest coverage in the country, the only one to have rolled out 5G in Punta Cana, and the most reliable in rural areas like Samaná and Las Terrenas. If you take a local SIM and want signal everywhere, this is the one.

Altice, the second network, covers the whole Punta Cana hotel strip beautifully in 4G. One detail that matters: it’s the network Holafly runs on. Excellent 4G on the coast, but not Claro’s 5G and a notch below in rural areas. Viva, the third, is the cheapest but with confirmed dead zones at Uvero Alto and Macao, exactly where the excursions start, so avoid it if you’re moving around.

Pros and cons of SIM cards for the Dominican Republic

How much does a Dominican SIM cost in August 2026

Local data is cheap. A Claro prepaid SIM runs around 900 pesos (roughly £13) for 15 GB valid for a month, calls included. Altice drops a little lower in urban areas. The snag isn’t the price, it’s the access: there’s no counter at the airport, so you have to reach a shop in town, passport in hand.

Here’s an up-to-date snapshot of the local SIM options you can buy on the ground in the Dominican Republic:

Buy your SIM on arrival, or set it up before you fly?

Three approaches, depending on whether you value peace of mind, price, or sharing between several people.

Holafly Dominican Republic: who it’s really for

For most all-inclusive travellers, this is our pick. Holafly runs on Altice in the DR, which covers the Punta Cana hotel strip very well in 4G. You install it before you go, activate on arrival, the data is unlimited and there’s nothing to top up. Reckon on roughly £30 for 7 days, £49 for 15 days and £78 for 30 days. One honesty point: it’s Altice 4G, not Claro’s 5G, but for WhatsApp, streaming and photos that’s plenty.

Network coverage in the Dominican Republic: where it’s strong, where it struggles

The real test: staying connected when you leave the resort

This is the bit the comparison sites always skip. Your all-inclusive Wi-Fi may be advertised as “free everywhere”, but in practice it’s strong at the lobby, weak or throttled in the room, and simply gone the second you pass the gate. And Punta Cana’s signature excursions are exactly where you want to stay connected: send the catamaran photo, follow the buggy route, message ahead that you’ll be back late.

On the Isla Saona catamaran you’re out at sea, where even 4G is scarce. At Los Haitises you’re in the mangroves, rural country where only Claro holds a little. On the Macao buggy trails, Viva drops for good. The lesson is simple: don’t count on resort Wi-Fi the moment you step out, and carry mobile data that follows you. You paid for all-inclusive so you’d think about nothing, so your connection may as well follow you everywhere too.

Further reading: our other SIM card guides by destination

Extending into more of Latin America or the Caribbean? Here are our other honest, field-tested guides.

Our honest take

In a sentence: on the roaming side, only O2 is really workable (around £6/day, capped), while Three, EE and the budget MVNOs will sting you. If you want the simplest fix, get the Holafly eSIM with code LAPLANETEDECARO (-5% off): unlimited on Altice, set up in three minutes, connected the moment you land.

If you’re staying longer or hiring a car, a Claro SIM from a shop in town is the cheapest and best-covered, just bring your passport and factor in the trip to the mall.

Either way, keep the offline reflex the second you leave the resort. The best of the DR is often exactly where the hotel Wi-Fi doesn’t reach.

PS: if you’re tempted to “just turn roaming on and see what happens” on EE or a budget SIM, please don’t, that’s how an all-inclusive week turns into a three-figure phone bill. Two minutes setting up an eSIM beforehand saves the day, and the catamaran photo sends first time.