How Puerto Rico scored
We evaluated eSIM options for Puerto Rico using provider plan data and T-Mobile's network specifications. 3 carrier networks accept eSIM roaming connections in Puerto Rico: T-Mobile, AT&T, and Claro PR. 3 plans from 5 providers form the basis of our comparison. Pricing starts at $2.71/GB on 5G.
Puerto Rico's 3 networks give providers real carrier options: T-Mobile, AT&T, and Claro PR. T-Mobile is the primary routing partner for all five providers, on published coverage breadth.
The pricing ladder spans from 1GB at $3.08 ($3.08/GB) to 5GB at $13.54 ($2.71/GB). Best per-GB value sits at 3GB for $8.12 ($2.71/GB), our recommended tier for most Puerto Rico travelers. No unlimited daily option is available for this destination. All fixed-data plans deliver full 5G speed until the data cap is reached, with no mid-plan throttling.
Network coverage in Puerto Rico concentrates around urban centers and major transport routes. T-Mobile provides the most consistent signal for travel eSIM users.
The Puerto Rico rankings put HelloRoam at 9.5/10, ahead of Airalo at 9.3/10. These scores reflect Puerto Rico-specific conditions: T-Mobile routing, 3 available plans, and 5G as the network standard. Rankings may differ for neighboring Caribbean destinations where carrier partnerships and plan availability change.
What the rubric scores
The rubric ranked 3 eSIM plans from 5 providers for Puerto Rico on five dimensions: Coverage (25%), Pricing (25%), Network tier (20%), App features (15%), Support access (15%). Each provider takes a 1-5 mark per dimension, and the weighted total is doubled to give the /10 display score.
Where the inputs come from
Scores for Puerto Rico use the published weighted formula: Coverage (25%), Pricing (25%), Network tier (20%), App features (15%), and Support access (15%). Each dimension receives a raw score from 1 to 5. The composite multiplies by 2 for a 0-10 display scale. Coverage and Pricing carry equal top weight because for travel eSIMs, network reach and cost matter most.
Country-specific adjustments for Puerto Rico: Single-carrier markets like Puerto Rico receive a ceiling of 4.0/5 on Coverage, since no failover redundancy exists. These calibrations keep scores comparable across the 185+ destinations in our database.
The scoring spread across 5 providers for Puerto Rico is 1.5 points (HelloRoam at 9.5/10 down to Nomad at 8.0/10). A spread under 1.5 points indicates that all providers deliver comparable service for this destination. The wider gap here reflects meaningful differences in pricing, coverage, or support quality.
Read the full scoring rubric.
BesteSIM runs no speed tests and publishes no throughput figure for Puerto Rico. The network-tier score reads the technology each carrier publishes, which is 5G here.
Puerto Rico Network Landscape
Puerto Rico has 1 mobile network: Claro (5G). T-Mobile delivers the strongest coverage combination. All 5 providers route through these carriers.
Carrier Partnerships
Puerto Rico operates 1 mobile network: Claro (5G). T-Mobile serves as the primary routing partner for travel eSIMs in this market. All five ranked providers route exclusively through T-Mobile. Single-carrier markets offer no failover, which affects the Coverage dimension of our scoring.
T-Mobile publishes 5G across Puerto Rico, and every ranked provider attaches to it rather than to a network of its own. Single-carrier coverage means no automatic failover. Coverage quality depends entirely on T-Mobile's tower infrastructure and geographic reach in Puerto Rico.
T-Mobile's 5G network handles all travel eSIM traffic in Puerto Rico. Provider differentiation comes from plan pricing ($2.71/GB entry), app features, and support channels rather than carrier routing choices.
Review Timeline
Plans and pricing for Puerto Rico were last verified in May 2026. All 3 plans confirmed active on T-Mobile's 5G network. Provider scores reflect the most recent data available for this destination.
Puerto Rico rankings update on a quarterly cycle. Plan pricing is checked monthly against provider websites. Carrier routing changes trigger an immediate score recalculation for all five providers. Network changes in T-Mobile's Puerto Rico infrastructure are tracked through industry sources.
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