Sanibel Island study reveals future flooding risks, guides planning efforts

SANIBEL, Fla. - A recent vulnerability study has revealed that parts of Sanibel Island could face serious flooding risks in the future.

This study is now aiding Sanibel officials in transitioning from identifying flood risks to planning future solutions.

Matt DePaolis, the environmental policy director for the Sanibel Captiva Conservation Foundation, emphasized the importance of planning ahead. He explained that the study examines the island's readiness for rising sea levels, storm surges, and flooding, pinpointing the parts of the island and infrastructure most at risk.

The assessment evaluated roads, utilities, natural resources, and buildings, comparing them to future projections for storm surge and sea level rise. City leaders aim to understand where the biggest risks lie and how to plan effectively for the future.

The study was completed with grant funding and has already been accepted by the city council.

DePaolis said the study is the first step toward long-term solutions, particularly nature-based approaches like living shorelines and dune systems to protect the island over time.

"If you build a sea wall, the minute that sea wall is completed, you're starting to need to do maintenance on that, whereas something like a mangrove fringe that's a self-perpetuating system, mangroves make new mangroves that continually build up and strengthen those defenses," said DePaolis. "So working with nature into the future is going to be very important."

DePaolis said the findings will now guide future planning decisions aimed at protecting Sanibel for generations to come.