Flood risk analysis for Lee and Collier County properties.
Southwest Florida's barrier islands, canals, and coastal wetlands make property-specific elevation and storm surge analysis especially relevant for buyers and owners here.
What shapes flood exposure in the Southwest Florida region.
Southwest Florida's appeal — Gulf beaches, barrier islands, and waterfront canal living — is also what makes flood risk here so property-specific. Sanibel, Captiva, Fort Myers Beach, and Marco Island sit directly in the surge path; Cape Coral's roughly 400 miles of canals connect thousands of inland lots to tidal water; and much of Collier's development borders the low, slow-draining wetlands of the Everglades system.
Hurricane Ian in 2022 made the stakes concrete. Surge of well over ten feet in parts of Lee County flooded homes that had never flooded before, including many outside high-risk FEMA zones. For buyers and owners today, the questions are practical: how high does this structure actually sit, what did the last storm do here, and what would materially reduce the risk?
- Lee County
- Collier County
Every review begins with a property address or parcel number. No site visit is required to start, and Groundswell sells no insurance, construction, or mitigation products.
Four things a zone letter won’t tell you about a Southwest Florida property.
Barrier-island surge exposure
Sanibel, Captiva, Estero Island (Fort Myers Beach), and Marco Island carry coastal high-hazard (VE) zones and take the first and highest surge in a landfalling storm.
Canal-front and tidal lots
In Cape Coral, Naples, Bonita Springs, and Punta Rassa, canal frontage means tidal water is at the seawall. Seawall height, lot grade, and finished-floor elevation drive risk more than the zone letter.
Caloosahatchee and estuary flooding
The Caloosahatchee River and the Estero Bay and Rookery Bay estuaries combine riverine discharge with tidal backwater, so 'inland' and 'coastal' risk overlap across Lee County.
Flat terrain and slow drainage
Very low relief across both counties means rainfall flooding can persist for days. Drainage patterns and proximity to preserves and wetlands matter for parcels well away from the Gulf.
Choose the depth of review that fits your decision.
Flood Risk Snapshot
An entry-level assessment designed for early-stage buyers or homeowners seeking quick clarity about a property's flood exposure.
- FEMA flood zone analysis
- Base flood elevation review
- Estimated parcel elevation and surrounding terrain analysis
- Key flood risk indicators
- + 3 more
Comprehensive Flood Risk Assessment
A more detailed property analysis designed for serious buyers, higher-value homes, or clients wanting deeper insight into current and future flood risk.
Everything in the Flood Risk Snapshot, plus:
- Storm surge analysis
- Riverine flooding review
- High tide flooding exposure
- Sea level rise considerations
- + 4 more
Flood Resilience & Mitigation Plan
A premium advisory service focused on long-term flood resilience and smart mitigation investments.
Everything in the Comprehensive Assessment, plus:
- Customized mitigation recommendations
- Property-specific resilience strategies
- Estimated cost ranges
- Prioritized action roadmap
- + 2 more
Communities served in the Southwest Florida
Including, but not limited to, the following cities, towns, and unincorporated communities across Lee, Collier counties:
- Fort Myers
- Cape Coral
- Fort Myers Beach
- Sanibel
- Captiva
- Bonita Springs
- Estero
- Lehigh Acres
- North Fort Myers
- Pine Island
- Matlacha
- St. James City
- Naples
- Marco Island
- Golden Gate
- Immokalee
- Everglades City
- Ave Maria
- Isles of Capri
Other service regions
Have a Southwest Florida property in mind?
Send the address or parcel number and Ray will confirm coverage and the right level of review.