Marathon, FL natural hazards
Most of the natural-hazard damage FEMA expects in Marathon comes from hurricanes, and overall the risk is very high for a U.S. community. Flood insurance has paid 2,134 claims here since 1998. 13 federal disasters brought FEMA money into town.
FEMA National Risk Index, December 2025 · OpenFEMA claims, aid & declarationsHow exposed is Marathon?
FEMA expects yearly storm and flood damage to homes and buildings in Marathon to be higher than in 93% of U.S. communities, mostly from hurricanes and coastal flooding.
What Marathon faces
Each hazard’s share of the damage FEMA expects here, and how that compares with the rest of the country.
Hurricanes
Coastal flooding
Lower here
Not a risk here
Does Marathon flood?
Every paid claim on a federal flood insurance policy in Marathon, from FEMA’s records.
Biggest named events
- Hurricane Irma: 1,121 claims, $73.9M
- Hurricane Wilma: 812 claims, $34.7M
- Hurricane Georges (Keys): 112 claims, $1.8M
Homes that flooded again and again
Each house = 4 homes. ■ FEMA “severe repetitive loss” (39) ■ flooded 2+ times
are insured
are insured
What’s been done with FEMA grants
13 federal disasters brought FEMA money here
Disasters the President declared that paid out in Marathon itself: aid to households, or repair grants to the City of Marathon.
Hurricane Milton
Hurricane Ian
Hurricane Irma
Hurricane Isaac
Hurricane Ike
Tropical Storm Fay
Hurricane Wilma
Tropical Storm Rita
Hurricane Katrina
Hurricane Dennis
Hurricane Ivan
Hurricane Frances
Tropical Storm Bonnie and Hurricane Charley
How to read this page
FEMA’s expected losses across Marathon total about $11.3M a year, counting buildings, people and crops.
Sources: FEMA National Risk Index (December 2025); OpenFEMA: NFIP redacted claims, multiple-loss properties, community status book and residential penetration rates, housing assistance (owners and renters), public assistance funded projects, hazard mitigation properties and disaster declarations. Census tracts: U.S. Census Bureau.