The first time I drove from SJO to Monteverde, I'd counted on the Google Maps route staying accurate through the coffee-highland switchbacks and the unpaved final climb. It mostly did, except for the last ten kilometres where the signal thinned and the map's road geometry stopped matching the physical road. I spent twenty minutes reversing out of a mud-track that became a dead end, found my way with a combination of instinct and a sketch from a farmer on a moped, and arrived at the lodge thirty minutes after dark. The next trip I bought an eSIM at the Panama layover, downloaded the whole Costa Rica offline map segment, and drove Monteverde's final climb with both live and offline routing running simultaneously.
Why buying an eSIM beats the airport kiosk
Kölbi, Liberty, and Claro all operate prepaid counters at SJO and LIR. A SIM is a real option for a longer stay, especially for anyone based in Costa Rica for a remote-work month or a surf season. But the counters require your passport, a local verification step, and can be slow during peak arrivals. An eSIM installs from a QR code before you fly, activates on first Costa Rican tower contact, and skips the arrivals queue.
Most travellers into Costa Rica fit one of three shapes: classic nature-plus-beach loops covering Arenal, Manuel Antonio, Monteverde, and one Pacific beach; surf-focused trips concentrated on the Nicoya peninsula or the Caribbean coast; and adventure travellers heading to Corcovado, the Osa, or the Caribbean lowlands. All three want data from the gate onward.
What Kölbi, Liberty, and Claro coverage actually looks like
The Central Valley has solid 4G and growing 5G. San José's downtown, Escazú, Santa Ana, Heredia, and the SJO airport corridor all have strong coverage on Kölbi and Liberty. La Fortuna, Arenal, and the main volcano tour routes have reliable 4G in town and on the main roads. Monteverde and Santa Elena towns have 4G; some cloud-forest reserves have lighter coverage on the hiking trails.
The Pacific coast is well-covered in the main tourist hubs. Jacó, Herradura, Manuel Antonio, Dominical, and Uvita all have strong 4G. Tamarindo, Playa Flamingo, and the northern Guanacaste beach corridor have reliable coverage. Nosara and Santa Teresa have 4G in town with some thinning on the unpaved access roads.
The Osa Peninsula is the most limited for tourists. Puerto Jiménez and Drake Bay have 4G; Corcovado's interior is largely offline. The Caribbean coast (Puerto Viejo, Cahuita) has strong 4G; inland Limón province has coverage on main routes.
Kölbi (ICE) has the widest national footprint, including into rural and remote tourist areas where Liberty and Claro thin. Most travel eSIMs route through Kölbi.
How the major eSIM providers compare in Costa Rica
Pricing models vary across providers. Custom plans, where you set data amount and validity independently rather than picking from preset bundles, are 99esim's distinguishing feature and the only option in the tracked set for that level of flexibility. Airalo sells fixed bundles with the widest country list in the category. Holafly sells unlimited-day windows. Nomad covers Costa Rica on a fixed-bundle model. Ubigi prices on short-validity country tiers.
Costa Rican pricing sits comfortably inside the Central American normal band across every tracked provider. Holafly's per-day unlimited model is usable for adventure travel or remote-work stays where metered data is a distraction. Per-GB economics on fixed-bundle providers vary more than usual in this market — some competitors price Costa Rica meaningfully higher than comparable countries. The matrix below spells out the per-axis shape for Costa Rica specifically.
Install timing: when to set it up
Install the eSIM the night before you fly, or during a Panama, Houston, or Miami layover. The QR code generates immediately after payment; scan it with your phone's eSIM settings; the profile installs but doesn't activate until it first sees a Costa Rican tower. At the gate, switch your home SIM's data off and land at SJO or LIR with data already working.
iOS 17.4+ devices can install directly from a provider's app without scanning a QR code, on providers that support it. Android users still scan a QR code, which takes thirty seconds.
Who should pick what
A one-week classic Arenal-Monteverde-Manuel Antonio loop works on a 5 GB plan across any of the tracked providers. Custom-plan providers let you size precisely.
A two-week nature-plus-beach trip adding the Osa or the Caribbean coast benefits from a 10 GB plan because drive-heavy itineraries, wildlife-app downloads, and photo uploads add up faster than a single-location stay.
A surf-focused Nicoya or Santa Teresa trip fits a 5 to 10 GB plan; swell checks and video uploads add up across a surf week.
A heavy streamer or content creator who wants to post daily from cloud forests and beaches without meter anxiety fits Holafly's unlimited-day model better than per-GB providers.
A short two- or three-day San José business visit fits Ubigi's short-validity tiers, which most competitors don't offer.
A group of three or more travelling together, particularly a family tour or a surf group, benefits from 99esim's group eSIM, which covers up to four devices on one purchase. None of the tracked competitors offer that product today.
A note on the remote-work community
Costa Rica has grown a notable digital-nomad community concentrated around Santa Teresa, Tamarindo, and the San José suburbs of Escazú and Santa Ana. Kölbi's network handles remote work well in those areas. For stays longer than thirty days, a local Kölbi postpaid plan may become more economical than a travel eSIM, but for stays under a month the travel eSIM is the cleaner operational choice. Hotspot support on most tracked providers handles laptop work comfortably.