Puerto Rico is a US territory; local currency is USD. Excellent broadband infrastructure with fiber-dominant market; reliable mobile networks with multiple carriers.
- Reliability
- High
Overall4.6/10Slower internet than about 55% of cities
Good to know
Good to Know
- Fiber is the fastest internet type for 96.65% of San Juan homes, with speeds up to 4,000 Mbps available. Speeds vary by neighborhood; west San Juan generally faster than northeast.
- US carriers (Verizon, AT&T, T-Mobile) work as domestic networks without international roaming charges, but coverage may be slower via roaming agreements. Local carriers Claro, Liberty, and T-Mobile offer better native performance.
- Prepaid mobile plans with 1 week to 1 month packages start as low as $15-$30 USD depending on data and carrier. SIM cards are readily available at the airport and throughout San Juan.
- e-SIM technology is available from major carriers and can be activated before arrival for seamless connection upon landing. Requires unlocked device supporting e-SIM.
- Fixed wireless internet uptime ranges from 95-98% based on weather conditions. Fiber provides up to 99.9% uptime, making it the most reliable option for nomads.
- Mobile coverage is excellent in San Juan and major urban centers with 4G LTE island-wide. 5G is available but may be limited outside major cities. Remote areas may have spotty coverage.
- Liberty and Claro have won awards for network performance. T-Mobile has the best overall speed among major carriers but can experience congestion in heavy-usage areas.
Home Broadband
- Fiber Availability
- 96.65% of San Juan homes
- Average Fiber Speed Mbps
- 2926
- Fastest Available Speed Mbps
- 4000
Budget Option
- Provider
- HughesNet
- Technology
- Satellite
- Starting Price
- $40
Primary Providers
Optico Fiber
- Coverage Percentage
- High in San Juan
- Technology
- Fiber optic
- Starting Price
- $15
- Max Speeds Mbps
- 4000
- Notes
- Fastest available option; upfront pricing; decent coverage in San Juan
Liberty
- Coverage Percentage
- 80.61% of San Juan population
- Technology
- Fiber and cable
- Max Speeds Mbps
- 1000
- Reliability Note
- 2025 nPerf report named Liberty leader in fixed internet performance
Claro
- Coverage Percentage
- Broadest local fiber footprint in Old San Juan
- Technology
- Fiber and DSL
- Max Speeds Mbps
- 1000
- Reliability Note
- Ranked second in 2025 nPerf report; strong symmetrical speeds
Mobile Carriers
Liberty Mobile
- Coverage Percentage
- 99.40% of homes
- Coverage Detail
- 5G covers 96.78% of homes; formerly AT&T operations
- Fastest Technology
- 5G
- Prepaid Starting Price
- $25
Claro
- Coverage Percentage
- 99.17% of homes
- Coverage Detail
- Over 2,000 towers; 98%+ of populated areas; 4G/LTE island-wide
- Tourist Packages
- 30-day 10GB package available
- Fastest Technology
- 4G LTE with growing 5G
- Prepaid Starting Price
- $20
T-Mobile
- Coverage Percentage
- 99.64% of homes
- Reputation
- Affordability and customer service
- Coverage Detail
- Best speed and coverage among major US carriers; 5G covers 97.94% of state
- Fastest Technology
- 5G
Connectivity Reliability Tier
high
Connectivity Reliability Tier Rationale
San Juan has extensive fiber and cable coverage with multiple competing providers, strong 5G mobile coverage across major carriers, and easy e-SIM/SIM access, though it is part of a US territory with occasional hurricane-related infrastructure vulnerability.
SIM e-SIM Options
e-SIM
- Advantages
- Digital activation, no physical card needed, can activate before arrival
- Availability
- Supported by Claro, Liberty, T-Mobile for compatible phones
- Supported Devices
- Apple iPhone, Google Pixel, and Samsung Galaxy smartphones
- Notes
- Less availability of larger data packages compared to physical SIM
Physical SIM
- To
- $30
- Price Range
- $10
- Availability
- Available at airports, carrier stores, hotels, car rentals
- Notes
- Requires unlocked device; activation at store with ID
Mobile Plan Example
- Price
- $20
- Data GB
- 10
- Includes
- Unlimited calls and texts to Puerto Rico numbers
- Provider
- Claro
- Cost Per GB
- 2
- Duration Days
- 30
AI-generated estimateData refreshed July 2026
Sources cited for this category
These are the sources cited in this connectivity & internet research for this city. Individual figures may not each trace to one of them.
More About San Juan
Data last updated July 2026 · Verify anything important.