Monroe County · Florida Keys
Moving to Marathon, Florida
Marathon is the hub of the Middle Keys — a more community-and-family-oriented, year-round city than the resort-heavy islands around it, with a regional airport, boating and fishing culture, and the iconic Seven Mile Bridge at its edge. As with all the Keys, the defining realities are extreme flood exposure and Florida's highest insurance costs. For buyers who want a more livable, year-round Keys community with relatively more attainable options than the upscale islands, Marathon is the Middle Keys' practical center.
Marathon at a glance
Median sale price $670,000 · May 2026 · 74 days on marketsource: Redfin Data Center
Who it's for
Marathon draws **year-round residents and retirees** wanting an actual community (more so than the resort islands), **boaters and anglers**, **second-home buyers**, and **those wanting Keys life with a bit more practicality and (relatively) more attainable options**. It has a more lived-in, year-round feel than Islamorada or the far Upper/Lower Keys.
It's less of a fit for budget buyers (it's still the Keys), those needing a large job market, or anyone unwilling to absorb the Keys' costs.
The housing market
Marathon combines canal and waterfront homes (strong boating and fishing access), non-waterfront options, a regional airport, and a more year-round, community-oriented character than the resort islands. Waterfront commands premiums; non-waterfront is relatively more attainable for the Keys. As across the region, construction year, elevation, and build standard are critical, supply is constrained, and it's a long-term hold. Newer elevated homes insure better.
Flood & insurance
Marathon shares the Keys' extreme flood exposure and Florida's highest insurance costs. This must lead any purchase. Pull the FEMA flood zone, obtain an elevation certificate, and get real flood and wind quotes BEFORE committing. Insurance affordability is the central determinant of whether the purchase works — budget for it as the dominant cost.
Cost of living
The no-income-tax advantage applies, but Marathon — like all the Keys — is a lifestyle market, not a cost-savings relocation. Extreme insurance and high island living costs mean buyers should plan for substantial carrying costs. That said, Marathon can offer relatively more attainable entry than the upscale Upper Keys, and a more genuine year-round community.
Lifestyle
Marathon is boating and fishing, the Seven Mile Bridge and Bahia Honda nearby, the Turtle Hospital and Dolphin Research Center, Sombrero Beach, and a more year-round, community-and-family feel than the resort islands. It's practical, water-centric Keys living with an actual local community — the appeal for buyers who want the Keys as a home, not just a resort.
Getting here
Marathon has a regional general-aviation airport (MTH); Miami International (MIA) is about 2 hours north via US-1; Key West International (EYW) is about an hour southwest.
Frequently asked questions
Is Marathon a good place to live?
For year-round residents, retirees, boaters, and second-home buyers who want a more community-oriented Keys city and can absorb the extreme insurance and flood costs, yes.
Is Marathon more affordable than the Upper Keys?
It can offer relatively more attainable options than upscale Islamorada in spots, though it's still the Keys with all the associated costs. See the live figure.
How expensive is insurance in Marathon?
Among the highest anywhere — Monroe County is Florida's most expensive insurance market, several times the state average. Get real quotes first.
How bad is flood risk in Marathon?
Extreme — essentially all parcels are in FEMA flood zones. Flood insurance is effectively required; elevation is central. Verify per parcel.
What are property taxes in Marathon?
Monroe County millage plus the City of Marathon millage. Homesteaded primary residents get the exemption and Save Our Homes cap; many second homes don't.
Does Marathon have a year-round community?
Yes — more so than the resort-heavy islands; it's a relatively lived-in, family-and-community-oriented Keys city.
When is hurricane season?
June through November — a central planning consideration in the Keys. Internal links: ↑ Monroe County · ↑ Florida Keys region · → Islamorada · → Big Pine Key · → Key West Lead CTA: "Weighing Marathon against Islamorada or Key West? Ask the relocation concierge →" + lead form. ---
Explore nearby
Talk to a Florida local
Tell us where you are in your move. We’ll point you to the right places — and the right people.