Home Insurance in Marathon, Florida
The median home value in Marathon is $725,800, 7% lower than the Monroe County median.
The typical home in Marathon was built around 1982. Because older housing stock often has aging wiring, roofing or plumbing, it can cost more to insure or rebuild. About 9% of homes were built before 1960, about 6 points below Monroe County's 15%.
In Marathon, the housing stock is 56% single-family homes, 20% apartments in buildings with 5+ units and 13% mobile or manufactured homes. The rest are 2-4 unit or other housing types. Mobile and manufactured homes typically need a manufactured-home (HO-7) policy rather than a standard homeowners policy.
46% of owner-occupied homes in Marathon carry a mortgage, and mortgage lenders require hazard insurance for as long as the loan is active.
About 60% of occupied homes in Marathon are owner-occupied. The vacancy rate is 38%; vacant or unoccupied homes typically need a different coverage form than an owner-occupied policy.
88% of homes in Marathon are primarily heated with electricity.
What's the biggest home insurance risk near Marathon? FEMA's National Risk Index points to coastal flooding (Very High) in Monroe County and Monroe County had 30,715 active NFIP flood policies as of September 2026. See the full Monroe County home insurance overview for all FEMA hazard ratings and flood coverage details. Flood damage is excluded from a standard homeowners policy.
The statewide average premium for a standard HO-3 homeowners policy in Florida is $2,779 per year, according to the NAIC homeowners insurance report (2023 data).
Key figures
| Median home value | $725,800 |
|---|---|
| Median year built | 1982 |
| Owner-occupied share | 60% |
| Share of owner-occupied homes with a mortgage | 46% |
| Top county hazard | Coastal Flooding (Very High) |
| Active NFIP policies in Monroe County | 30,715 |
| Home insurance premium | $2,779 - statewide average (NAIC, 2023 data) |
Nearby towns
- Key Colony Beach
- Layton
- Islamorada, Village of Islands
- Key West
- Florida City
- Homestead
- Cutler Bay
- Palmetto Bay
Sources
Data last updated: 2026-09-29
- U.S. Census Bureau Gazetteer Files (2024)
- U.S. Census Bureau, American Community Survey 2020-2024 5-Year Estimates (2024)
- FEMA National Risk Index (December 2025)
- FEMA OpenFEMA NFIP Redacted Policies v3 (2026)
- NAIC Dwelling Fire, Homeowners Owner-Occupied, and Homeowners Tenant and Condominium/Cooperative Unit Owners Insurance: Data for 2023 (published 2026) (2023)