Market Overview
Home Prices in Marathon, FL
The median home value in Marathon, FL is $827,192 as of mid-2026, according to Zillow's Home Value Index (ZHVI).That's down 0.7% compared to a year ago and down 4.3% from two years prior.
Compared to the U.S. national median of $410,000, homes in Marathon are priced102% above average. Marathon is part of the Key West, FL metro area.
Over the past five years, Marathon home values have risen by approximately29.9%, reflecting strong long-term appreciation in this market.
Price History
Marathon Home Price Trend
City Comparison
Marathon vs. National Median
At $827,192, homes in Marathon cost 102% above the national median of $410,000. Buyers in Marathon should expect to pay a premium compared to most U.S. markets.
Affordability
What Does It Cost to Buy in Marathon?
20% Down Payment
$165,438
on $827,192
Monthly P&I
$4,314/mo
30-yr @ 6.8%
Total Monthly Est.
~$5,479/mo
incl. taxes & insurance
Income Needed
$219,160
gross annual (30% rule)
10% Down Option
$82,719
+ PMI applies
Loan Amount (20% dn)
$661,754
at current rates
Estimates assume a 30-year fixed mortgage at 6.8%. Monthly total includes estimated property taxes and homeowner's insurance. Actual costs vary.
FAQ
Frequently Asked Questions
What is the average home price in Marathon, FL?
The median home value in Marathon is $827,192 as of mid-2026, according to Zillow's Home Value Index (ZHVI). That's down 0.7% year-over-year.
How much have home prices changed in Marathon?
Over the past year, home values in Marathon have decreased by 0.7%. Over five years, prices have risen approximately 29.9%.
How much do I need to earn to buy a home in Marathon?
To comfortably afford the median home price of $827,192 with a 20% down payment ($165,438) at today's rates (6.8%), you'd need a gross annual income of approximately $219,160. This assumes keeping total housing costs at or below 30% of gross income.
How does Marathon compare to the national average home price?
The national median home value is approximately $410,000. At $827,192, homes in Marathon are 102% above the national average.
What metro area is Marathon part of?
Marathon is part of the Key West, FL metropolitan area. Home prices and market conditions can vary across the broader metro region.