Key facts: Sanibel
- Ian's surge swept over Sanibel in 2022 and broke the causeway linking the island to the mainland.[1]
- Access can limit how quickly crews and equipment arrive.
- Tell the contractor your address and any bridge or road limits.
Island logistics
Access can limit how quickly crews and equipment arrive. Tell the contractor your address and any bridge or road limits.
Seasonal homes
Empty homes hide leaks for weeks. Have someone check after each storm, and keep humidity control running.
Flood claims recorded in Lee County
Sanibel sits in Lee County. FEMA publishes every National Flood Insurance Program claim with personal details removed, which gives a plain record of where water has reached insured buildings here.
| Measure | Count |
|---|---|
| Flood insurance claims on record | 48,496 |
| Year with the most claims | 2022 (28,889) |
| Largest named event | Hurricane Ian (28,621) |
| Claims outside high-risk A and V zones | 4% |
| Claims on buildings built before 1975 | 32% |
County-wide counts of insured claims only. Uninsured losses, burst pipes and appliance leaks are not in this data.
What the Sanibel claim record shows
For Sanibel homes, the local precedents are the events behind the most Lee County claims: Hurricane Ian (28,621 claims), Hurricane Milton (4,334 claims) and Hurricane Charley (4,103 claims).
Around Sanibel, about 96% of county claims with a recorded zone came from the high-risk A and V zones, so checking your address on the FEMA flood map tells you a lot here.
A newer Sanibel home is not exempt: 68% of claims with a known build date involved homes built in 1975 or later.
Federal disaster history for Lee County
FEMA lists 45 federal declarations covering Lee County. The most common types are hurricane (21), fire (6) and tropical storm (5). The latest are Hurricane Milton in 2024, Hurricane Helene in 2024 and Tropical Storm Helene in 2024. If your loss falls inside an open declaration, Sanibel homeowners can check DisasterAssistance.gov as well as their insurance policy.
Sanibel weather and your home
Weather records for Sanibel from 2015 through 2024 average 45 inches of precipitation a year, and September and August are the wettest months. The area averages 6.6 days a year with an inch or more.
Freezing nights almost never happen in Sanibel, so the bigger concerns are storms, plumbing failures and humidity.
When rain falls in Sanibel
Seasonal averages for Sanibel, 2015 through 2024. Plan roof, gutter and sump pump checks before the wettest stretch.
| Season | Average | Share of year |
|---|---|---|
| January to March | 6.2 in | 14% |
| April to June | 11.8 in | 26% |
| July to September | 19.5 in | 43% |
| October to December | 7.8 in | 17% |
Modeled from Open-Meteo historical weather data. Precipitation includes rain and melted snow.
Sanibel home checklist from these records
- Treat flood risk as current. 81% of Lee County claims date from 2015 or later.
- Check roof flashing and drains before September, the wettest month in Sanibel.
- Keep dated photos of each room. After Hurricane Ian, 28,621 insured Lee County owners filed claims at about the same time.
What to tell the Sanibel contractor
- Whether the home is seasonal
- Who can give access
- Whether salt water entered
Services Sanibel callers ask about
Questions
Sanibel water damage questions
What about a home left empty after a storm?
Ask someone to check it, as mold can start fast.
Is Sanibel covered?
Yes, one Sanibel ZIP code is in the data.