Coastal Resilience Planning for Small Islands - Gray

The Right Foundation for Island Resilience

September 8, 2023

An Island Icon

Monroe County, Florida

• Created in 1823 when Florida was still a territory

• 73% of the total area is water

• Population 82,874 (2020 census)

• 5 municipalities

Designated Area of Critical State Concern

• Sea level has risen 0.84 feet in 100 years; 3.9 inches from 2000 to 2017

Rising Waters

• Low lying terrain

• Porous limestone bedrock

• “King” tides

• Storm surge

• Flooding can be prolonged

Green Keys Initiative

Foundational Data

• Unincorportated Monroe County roadways

• 310 centerline miles

• Accuracy < 0.05’ County-wide

• Transportation Asset Inventory (GIS)

• Online mapping interface for easy access

Building on the Foundation

A difference of inches makes all the difference.