Local SIM Cards in Puerto Rico: Carriers, Plans & Prices (2026)

eSIM for Puerto Rico: the fastest option

Travel eSIMs skip the physical SIM process entirely. Buy online, scan a QR code, and your phone connects to a local network. No passport check, no airport queue, no SIM ejector tool. Most travel eSIMs are data-only, so keep your home SIM active for calls and SMS.

For Puerto Rico, activate a T-Mobile or AT&T prepaid eSIM directly. No intermediary provider needed. This gives full domestic US speeds at the same price as mainland prepaid plans. International eSIM providers offer Puerto Rico at similar prices but without the T-Mobile/AT&T domestic speed advantage.

eSIM provider comparison

Scores based on activation speed, network coverage, support response time, and pricing across 14 countries. HelloRoam (8.8/10, 31/31 activations) is the top-rated provider. All provider links marked as affiliate.

See full eSIM guide for Puerto Rico →

eSIM vs physical SIM card in Puerto Rico

Here is how a HelloRoam eSIM compares to buying a local SIM card in Puerto Rico across the factors that matter most to travelers.

Best SIM cards for tourists in Puerto Rico

Puerto Rico has 3 providers offering tourist-friendly prepaid SIM cards. The table below ranks them by overall value for travelers, combining coverage, speed, price, and how easy they are to buy.

SIM card plans compared

Below are every available tourist plan across all providers in Puerto Rico, sorted by price. Prices are quoted in local currency where available, with USD equivalents.

Where to buy a SIM card in Puerto Rico

The best place to buy is Luis Munoz Marin International Airport (SJU). T-Mobile and AT&T have presence in the terminal. For unlocked phone visitors, a Walmart at Plaza Las Americas (Hato Rey) sells prepaid SIMs from all US carriers at face value.. Here is what each channel offers and what to expect.

Coverage & network in Puerto Rico

Puerto Rico operates on 4G LTE / 5G networks. Coverage quality varies by provider and region.

T-Mobile US (covers Puerto Rico as domestic) leads on overall coverage with a rating of 5/5 for reach and 5/5 for speed. In cities, all providers perform similarly. Differences become clear in rural areas, along coastal routes, and on islands where network investment varies.

Our verdict on SIM cards in Puerto Rico

Best for: US domestic travelers, International visitors wanting US carrier coverage, San Juan city visitors, Beach and surf travelers (Rincon, Isabela).

Puerto Rico offers dramatically better connectivity than any other Caribbean island due to full US carrier coverage. The Dominican Republic, Jamaica, and Barbados all operate separate carrier networks. Puerto Rico is also the one Caribbean destination where eSIM activation through a US carrier directly (not via an international eSIM provider) is practical and recommended.

Activation & registration

1. Check your phone is unlocked

   Your device must be carrier-unlocked to accept a Puerto Rico SIM. Check Settings or contact your home carrier before you leave.

2. Choose a plan before you buy

   Decide on data volume and validity period. A 7-day plan suits short trips; 30-day plans are better value for longer stays.

3. Purchase the SIM

   Buy at the airport, a convenience store, or a carrier store. Ask staff to insert and test the SIM before you leave the counter.

4. Insert and configure

   Insert the nano-SIM using the ejector tool. Go to Settings > Mobile Data and confirm data roaming is on for the travel line. Run a speed test to confirm you are connected.

Tips for travelers in Puerto Rico

1. Puerto Rico is a US territory. US carrier plans (T-Mobile, AT&T, Verizon) cover Puerto Rico as part of their domestic plans. No roaming charges for US subscribers.

2. For international visitors without a US carrier, T-Mobile and AT&T prepaid SIMs work at full domestic US speeds in Puerto Rico.

3. Old San Juan has strong 5G from T-Mobile and AT&T. The Condado beach strip and Miramar are also well-covered.

4. El Yunque rainforest: T-Mobile has 4G at the visitor center (Sabana area). Hiking trails at higher elevations have intermittent signal.

5. Rincon on the west coast (surf town) has good T-Mobile 4G in town and along Playa Rincon.

6. Culebra and Vieques islands (Spanish Virgin Islands, part of Puerto Rico) have AT&T and T-Mobile 4G. Coverage is strong in the main towns of Dewey (Culebra) and Isabel Segunda (Vieques).

7. Buy prepaid SIM cards at the Walmart at Plaza Las Americas in Hato Rey for the widest selection at face value prices.

8. Verizon also covers Puerto Rico as domestic. International visitors can get a Verizon prepaid plan at Target or Walmart.

Common mistakes to avoid

1. Thinking Puerto Rico requires a different SIM from the US mainland. It is the same domestic US network. T-Mobile subscribers pay no extra for Puerto Rico.

2. Buying a local Claro PR SIM when T-Mobile or AT&T prepaid at the same price covers both Puerto Rico and the US mainland on the same plan.

3. Not having cash for a Walmart prepaid SIM purchase. Many Walmart SIM card kiosks require a debit or credit card.

4. Expecting flawless 5G outside San Juan. 5G coverage is concentrated in metro San Juan and Condado. The west coast and mountain interior are primarily 4G.

Frequently asked questions

Helpful guides

• eSIM vs Local SIM: Which to Choose
• eSIM Setup Guide (iPhone and Android)
• Best SIM Cards by Region

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