City vs city
Jekyll Island vs St. Simons, GA
Jekyll Island currently scores 3 points higher overall than St. Simons, with the largest gap in flood.
Use this comparison for relocation decisions, insurance shopping, and hazard-prioritized mitigation planning.
Hazard breakdown
Scores describe each city’s reference grid tile, not every property. A missing model is unavailable, not zero risk. Air quality uses an ingested EPA AirNow snapshot and may not reflect current conditions; other factors describe baseline exposure. The overall score blends different hazards and is not a probability of damage. Read the scoring methodology and sources.
Overall
Jekyll Island: 44/100 · St. Simons: 41/100
Jekyll Island is 3 points higher.
Flood
Jekyll Island: 100/100 · St. Simons: 69/100
Jekyll Island is 31 points higher.
Jekyll Island: FEMA NFHL flood zones: 19 features intersect this tile.
St. Simons: FEMA NFHL flood zones: 16 features intersect this tile.
Wind
Jekyll Island: 36/100 · St. Simons: 37/100
St. Simons is 1 points higher.
Jekyll Island: Wind exposure derived from ingested design wind / climatology tiles.
St. Simons: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Jekyll Island: 69/100 · St. Simons: 64/100
Jekyll Island is 5 points higher.
Jekyll Island: Lightning exposure derived from ingested climatology tiles.
St. Simons: Lightning exposure derived from ingested climatology tiles.
Tornado
Jekyll Island: 8/100 · St. Simons: 8/100
No gap.
Jekyll Island: Tornado risk derived from NOAA SPC historical reports.
St. Simons: Tornado risk derived from NOAA SPC historical reports.
Hail
Jekyll Island: 12/100 · St. Simons: 23/100
St. Simons is 11 points higher.
Jekyll Island: Hail risk derived from NOAA SPC historical reports.
St. Simons: Hail risk derived from NOAA SPC historical reports.
Storm surge
Jekyll Island: 99/100 · St. Simons: 99/100
No gap.
Jekyll Island: Storm surge exposure derived from NOAA SLOSH MOM (AGL) data.
St. Simons: Storm surge exposure derived from NOAA SLOSH MOM (AGL) data.
Wildfire
Jekyll Island: 12/100 · St. Simons: 10/100
Jekyll Island is 2 points higher.
Jekyll Island: Wildfire exposure derived from ingested fire potential tiles.
St. Simons: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Jekyll Island: 15/100 · St. Simons: 15/100
No gap.
Jekyll Island: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.
St. Simons: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.