City vs city
Sullivan's Island vs Charleston, SC
Charleston currently scores 4 points higher overall than Sullivan's Island, with the largest gap in tornado.
Use this comparison for relocation decisions, insurance shopping, and hazard-prioritized mitigation planning.
Hazard breakdown
Overall
Sullivan's Island: 56/100 · Charleston: 60/100
Charleston is 4 points higher.
Flood
Sullivan's Island: 69/100 · Charleston: 78/100
Charleston is 9 points higher.
Wind
Sullivan's Island: 53/100 · Charleston: 51/100
Sullivan's Island is 2 points higher.
Lightning
Sullivan's Island: 43/100 · Charleston: 49/100
Charleston is 6 points higher.
Tornado
Sullivan's Island: 77/100 · Charleston: 12/100
Sullivan's Island is 65 points higher.
Hail
Sullivan's Island: 74/100 · Charleston: 100/100
Charleston is 26 points higher.
Storm surge
Sullivan's Island: 98/100 · Charleston: 99/100
Charleston is 1 points higher.