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eSIM for Costa Rica

Data for Arenal, Monteverde and both coasts, installed before you fly. Costa Rica is on the Americas plan with Panama and Nicaragua, so the same eSIM carries on to Bocas del Toro or Granada. The volcano has been quiet since 2010; the group chat will not be.

Choose your plan

The Costa Rica plan covers Costa Rica only.

1 GB7 days4.49€$5.09£3.89CHF 4.293 GB14 days11.99€$13.99£10.99CHF 11.995 GB30 days18.99€$21.99£16.99CHF 17.99Best value10 GB30 days33.99€$38.99£29.99CHF 32.99

Crossing borders?

The same 10 GB in a package that keeps working past Costa Rica.

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Also on the Latin America plan

16 other countries share the package with Costa Rica. A few of them:

ArgentinaBoliviaBrazilChileColombiaEcuador

Good to know

What's included, when it starts, and how to get connected.

Included countries
The Costa Rica plan covers Costa Rica only.
Local networks
In Costa Rica your eSIM connects to Claro and Liberty — 4G/5G where the network offers it.
When validity starts
Your package starts when your phone first connects to a network at the destination — not when you install it. Crossing a border does not restart it.
Installation and activation
Install the eSIM while you still have internet — at home or on Wi-Fi. Installation does not start validity. If you already have a onesim eSIM installed, a new package is added to it — no second installation. Setup guide
Calls and texts
onesim is data-only. Calls and messages work over data in apps like WhatsApp or FaceTime; your usual SIM keeps your number.
Support and refunds
Message the onesim support team from the app or the website. If a package cannot be installed or used, the refund policy explains what applies. Refund policy
Route idea · ten days

Ten days from the volcano to the whale’s tail.

Most first trips draw the same loop: land in San José, drive north to the volcano, over the hills to the cloud forest and down to the Pacific. A hire car makes it easy, as long as the timings allow for mountain roads. The line below is an illustration, not a map.

La Fortuna waterfall in dense rainforest near Arenal1

Arenal and La Fortuna · Days 1–3

About three hours from Juan Santamaría airport, which is in Alajuela, not San José. Arenal erupted from 1968 to 2010 and has been quiet since: the glowing-lava photos are old, and La Fortuna had its name before the eruption, not because of it. Hot springs, a 70-metre waterfall and a day trip to Río Celeste, tickets bought online.

Moss-covered trees and tree ferns in mist in the Monteverde cloud forest2

Monteverde · Days 4–5

Round Lake Arenal and up to about 1,400 metres, where the average temperature is 18°C and the forest lives inside a cloud. Quaker families from Alabama settled here in 1951; the reserve’s first 328 hectares were bought in 1973 for one colón. The biggest reserve nearby, the Children’s Eternal Rainforest, began with a Swedish school class raising money.

The curved beach and forested headland of Manuel Antonio National Park3

Manuel Antonio · Days 6–8

About four hours down to the Pacific, past the Tárcoles River, where American crocodiles are a common sight. Costa Rica’s most visited national park opens 7 a.m. to 3 p.m., shuts on Tuesdays and sells its tickets online: US$18.08 for a non-resident adult in 2026. No food is allowed on its beaches or trails, a rule the capuchins take personally.

The sandbar of the whale’s tail at low tide in Marino Ballena National Park4

Uvita and the whale’s tail · Days 9–10

An hour and a half further south, Marino Ballena National Park protects a sandbar shaped like a whale’s tail, walkable only at low tide. Humpbacks visit from both hemispheres: northern ones from December to April, southern ones from July to November. The gate takes cards only, and the Panama border at Paso Canoas is about two hours on.

How the plan fits this route

One package from the airport to the whale’s tail: Costa Rica is on the Americas plan, so the same allowance works in every town on this loop and carries on if the trip continues into Panama or Nicaragua. Coverage is good in the towns and along the main roads and fades deep in the forest, as it would on any SIM. Download tickets and maps in town.

Guide: offline maps, done properly
Travel notes

The small print under pura vida.

A Costa Rican breakfast of gallo pinto, fried eggs, plantain and coffee
The meme

Pura vida means hello, goodbye and thank you. Blame a Mexican film.

The catchphrase is usually traced to a 1956 Mexican comedy of the same name, whose luckless hero, played by the comedian Clavillazo, says it at every turn. Costa Ricans made it their own, and dictionaries have listed it since the mid-1990s as a greeting, a farewell, a thank-you and a verdict on almost anything. The nickname tico comes from the local diminutive: momentico, chiquitico.

Food fight

The gallo pinto war is fought in kilos.

Costa Rica and Nicaragua both claim rice and beans as a national dish. In 2003 Costa Rica cooked a 440-kilo gallo pinto that earned a Guinness mention; two weeks later Nicaragua served 545 kilos for its Independence Day. In 2005 Costa Rica answered with about 2,200 kilos, made, pointedly, with red beans, the Nicaraguan way. Here it comes with Lizano sauce and no concessions.

Set-jetting

Jurassic Park is set off Costa Rica. Spielberg preferred Hawaii and room service.

Isla Nublar is fictional, and even the film’s San José is Kauai. Costa Rica was considered and dropped because the shoot would have fallen in the rainy season, and Spielberg admitted that at 26 rather than 45 he might have picked somewhere rugged over a Hawaiian hotel with room service. The real offshore island, Cocos, is 550 km out, 36 to 48 hours by boat, and ruled by hammerheads.

Driving

One-lane bridges, plate-day rules and the flat-tyre trick.

Many bridges narrow to a single lane, so slow down and check for oncoming traffic before you commit. San José limits private cars on weekdays by the last digit of the number plate, hire cars included; the rental desk will tell you your day. And if a tyre goes flat after a stop, drive on to a petrol station: the UK Foreign Office warns of thieves who slash one, then offer to help.

When to come

When the Pacific is at its wettest, go to the Caribbean.

The Pacific side is dry from December to March, and September and October are its wettest months. On the Caribbean coast those same two months are one of the year’s two relatively dry spells, says Costa Rica’s national weather service. So in September and October, swap Manuel Antonio for Cahuita and Puerto Viejo, and keep valuables close there: the UK Foreign Office singles out that coast for theft.

Costa Rica questions.

Answers about data, coverage and setup for Costa Rica.

Yes. Panama and Nicaragua are on the Americas plan with Costa Rica, so a trip that crosses at Peñas Blancas into Nicaragua, at Paso Canoas into Panama or at Sixaola on the Caribbean side for Bocas del Toro keeps the same allowance; the phone picks up a partner network after the border. Honduras, El Salvador and Guatemala are on the list too. Belize is not. The Americas plan

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