San Antonio Puerto Rico Map

About San Antonio, Puerto Rico

San Antonio is a locality in Arroyo County, Puerto Rico, United States. San Antonio is located at 18.0800°N, 66.9732°W. It observes the Atlantic Standard Time — no DST (America/Puerto_Rico) timezone. ZIP code: 00603.

San Antonio emerges from the humid, verdant lowlands where the Río Nigua cuts a persistent path toward the sea. It lies 3.7 miles east-southeast of Guayama, PR (from Guayama, PR: bearing 105°T), and is situated 0.3 miles north-northeast of Arroyo. This landscape is defined by the steady, rhythmic pulse of the Río Nigua as it flows past, its waters feeding the earth toward the nearby Puerto Arroyo. To the north, the distant Sierra de Guardarraya sketches a jagged silhouette against the horizon, while the terrain closer at hand softens into the gentle depression of Quebrada Salada. The air here holds a heavy, salt-sweet moisture, a reminder that the open coastline waits only a mile away, and the light at dusk often turns the sky to a bruised violet, casting long, liquid shadows across the Parquen Rubén Gómez.

San Antonio maintains a quiet endurance, its character shaped by the long, complex history of the island and the steady labor of those who work the surrounding soils. While the economy remains deeply connected to the rhythms of the land and the nearby coastal trade, the people here share a sense of belonging that bridges the local and the distant. Beyond the immediate fields, the influence of the wider region is felt in the daily cadence of life, where the proximity to the Bosque Estatal de Aguirre and the distant pull of the Charco Azul Trail offer a reprieve from the heat. Whether looking toward the depths of Lago Patillas or observing the everyday motion of the streets, San Antonio carries itself with a grounded, unpretentious grace, existing as a singular point in a vast and shifting geography.

About This San Antonio Map Page

This page provides an embedded street and satellite map of San Antonio, Puerto Rico. Coordinates: 18.079961, -66.973233. Live weather conditions are sourced directly from the National Weather Service. Real-time local and world news feeds keep the page current.

Detailed location data for San Antonio includes the ZIP code (00603), telephone area code (787, 939), county seat of Arroyo County, and school district assignment.

Location data is drawn from the USGS Geographic Names Information System (GNIS) and cross-verified against 2020 US Census records by coordinate proximity. Population figures are sourced from the 2020 US Census.