Greco Island, Redwood City
Updated June 22, 2026 · 5 residents
Greco Island is a remote, largely undeveloped marshland area located in the San Francisco Bay near Redwood City. It is characterized by extreme isolation and a complete lack of residential infrastructure, making it unsuitable for traditional living.
Key Highlights
About Greco Island
Greco Island functions as an uninhabited tidal marsh environment rather than a conventional residential neighborhood. The area is defined by its significant distance from urban amenities, lack of pedestrian access, and environmental vulnerability, including high risks related to flooding and fire. Because it lacks basic infrastructure, public services, and residential housing, it is not a viable location for prospective residents or daily commuters. The area is best suited for ecological preservation and wildlife observation rather than habitation. With virtually no privacy, poor air quality, and an absence of community amenities, the site remains a rugged, industrial-adjacent landscape that serves as a natural buffer for the surrounding bay region.
Neighborhood Scores Across 15 Qualities
Residential spacing offers a moderate level of separation between neighbors; this provides slightly more personal buffer than the Redwood City average according to iHuus data.
Low-traffic roads provide a peaceful environment for walking, though the lack of sidewalks makes it less pedestrian-friendly than the Redwood City average. According to iHuus data, the neighborhood is notably less walkable than most parts of the city.
Standard tract housing characterizes the area, featuring modest yards and simple architectural lines. This level of visual variety is lower than the Redwood City average.
Access to dedicated dog parks and wide green verges is slightly below the Redwood City average. Residents may find fewer immediate opportunities for off-leash exercise within the immediate vicinity compared to other parts of the city.
Expansive wetlands, salt evaporation ponds, and marshlands characterize this area, providing a more open and less dense environment than the Redwood City average. According to iHuus data, the landscape features scattered structures and significant undeveloped natural space.
A steady hum of local traffic from nearby streets is present, though acoustic comfort remains notably higher than the Redwood City average according to iHuus data.
Industrial activity is significantly lower here than the Redwood City average, as the area is characterized by quiet residential streets and open green spaces. Residents may notice some nearby wastewater management infrastructure and salt production facilities, but heavy commercial or warehouse operations are minimal.
Political leanings in this area are relatively even, presenting a much more moderate landscape than the heavily liberal tilt seen across the rest of Redwood City.
Block-Level Insights for Greco Island
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| Dimension | Greco Island | Ampex |
|---|---|---|
| 🚶 Walkabilityavg 8.4 | ||
| 🔊 Acoustic Comfortavg 4.29 | ||
| 🤫 Privacy Indexavg 4.9 | ||
| 🎨 Visual Appealavg 7 | ||
| 🐕 Dog Friendlinessavg 6.12 | ||
| 🗺️ Urban-Rural Indexavg 6.63 | ||
| ✨ Neighborhood Vibeavg 4.41 | ||
| 🏥 Health Insurance Coverageavg 7.97 | ||
| 🌿 Air Qualityavg 6.23 | ||
| 🏭 Industrial Proximityavg 8.38 | ||
| 🌊 Flood Safetyavg 4.84 | ||
| 🗳️ Ideological Leanavg 9.73 | ||
| 👥 Population Age Profileavg 4.84 | ||
| 🔥 Fire Safetyavg 0.22 | ||
| 🏫 School Quality |
Greco Island Rankings
School Districts Serving Greco Island
Redwood City Elementary School District functions as a stable but bifurcated organization characterized by high-quality teaching staff and strong community engagement, yet weighed down by significant fiscal and enrollment headwinds. While facilities are seeing modern upgrades through voter-approved bonds, the district is currently navigating a period of contraction, marked by multi-million dollar budget cuts, staff attrition, and increasing class sizes that have sparked tension with the labor union. Academically, the portfolio ranges from elite, high-demand schools to underperforming campuses, resulting in a district that offers excellent opportunities for those in specific programs but faces systemic challenges in elevating overall proficiency across its diverse student body.
Schools
Sequoia Union High School District remains an academic powerhouse with high-performing flagship schools like Carlmont and Menlo-Atherton consistently outpacing state standards; however, it is currently in a state of operational transition and controversy. The district faces significant community backlash following the decision to close the newly built TIDE Academy to address a $6 million deficit, alongside parent concerns regarding the removal of honors-level 'bridge' courses for younger students. While the core academic portfolio is robust, recent lawsuits involving staff misconduct and ongoing debates over curriculum equity and fiscal management signal internal instability that offsets its high-ranking test scores.
Schools
Ravenswood City Elementary School District is currently in a distressed state, characterized by very low academic performance ratings and a trend of declining enrollment that threatens long-term financial stability. While the district has successfully implemented high-value infrastructure projects, such as modern school facilities and dedicated teacher housing to reduce turnover, these operational wins have yet to translate into significant academic gains or community-wide trust in its terminal outcomes. Despite positive local sentiment toward its dual-language programs and small class sizes, the district's reliance on 'fiscal prudence' to avoid deficits and its low standing on state dashboards indicate a system still struggling to overcome systemic socio-economic and institutional hurdles.
Schools
School Insights for Greco Island
Below average outcomes; significant attendance and academic challenges.
School Insights
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