Explore San Isidro, Puerto Rico, with this interactive street and satellite map.
| City | San Isidro |
| State | Puerto Rico (PR) |
| County | Loíza County |
| Country | United States of America |
| Timezone | Atlantic Standard Time — no DST (America/Puerto_Rico) |
| Latitude | 18.07635 |
| Longitude | -66.954344 |
| Density | N/A /km² |
| Incorporated | N/A |
| ZIP Code | 00729 |
| Area Code | 787, 939 |
San Isidro rests upon a landscape defined by the persistent, rhythmic presence of the Caño San Isidro, which winds through the earth with a quiet determination. It lies 4.9 miles east of Carolina, PR (from Carolina, PR: bearing 79°T), and is situated 8.5 miles east-northeast of Trujillo Alto. To the west, the slopes of the Cuchilla de Santa Inés rise in a steady, green ascent, separating the low-lying basin of the Quebrada Angela from the distant, hazy blue of the horizon. The air here holds a heavy, salt-sweet moisture, a reminder that the tides of the Ensenada Comezón exert a subtle pull on the atmosphere even from miles away. During the golden hour, the light catches the tall grasses along the riverbanks, turning the moisture-laden air into a pale, glowing veil that softens the sharp edges of the terrain and makes the distant silhouette of the Islote de Juan Pérez appear to hover just above the water.
San Isidro maintains a steady existence, its character forged by the interplay of agricultural heritage and the slow, deliberate pace of local trade. While the nearby Bosque Estatal de Piñones provides a dense, wild sanctuary of mangrove and canopy, the daily life of the residents gravitates toward the small, familiar spaces like the Unknown Local Park, where the afternoon heat is often broken by the murmurs of neighbors. The economy remains tethered to the land and the proximity to the coast, reflecting a history of resilience that is as deep as the soil of the valley. Though the more dramatic heights of the Vereda El Yunque and the thunderous descent of the Catarata Coca lie far to the east, San Isidro possesses its own quiet gravity, an enduring sense of place where the people move in harmony with the seasonal rise and fall of the water.
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This page provides an embedded street and satellite map of San Isidro, Puerto Rico. Coordinates: 18.07635, -66.954344. 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 Isidro includes the ZIP code (00729), telephone area code (787, 939), county seat of Loíza 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.
| Page generated | August 2026 |
| Location data | SimpleMaps US Cities Database; coordinates matched to USGS GNIS definitive data |
| Wikipedia validation | Article content matched to USGS GNIS coordinates via Wikipedia geosearch API. |