Marathon, FL housing market
The typical Marathon home is worth about $833,000, up 1.1% in a year, 122% above the Florida typical home. Homes typically sell in 74 days, below asking.
Home values, sales, trends and how Marathon compares with the towns next door — updated as new data is published.
Marathon at a glance
A balanced market
About 5.4 months of supply: neither buyers nor sellers have a clear edge.
Typical home value, 2016–2026
Show as a table
| January | Marathon | Florida |
|---|---|---|
| 2017 | $484,000 | $209,000 |
| 2018 | $506,000 | $226,000 |
| 2019 | $526,000 | $242,000 |
| 2020 | $528,000 | $253,000 |
| 2021 | $585,000 | $276,000 |
| 2022 | $723,000 | $340,000 |
| 2023 | $856,000 | $392,000 |
| 2024 | $884,000 | $402,000 |
| 2025 | $845,000 | $397,000 |
| 2026 | $823,000 | $377,000 |
| August 2026 | $833,000 | $376,000 |
35 new homes permitted in 2025
Builders were permitted 35 new homes in Marathon in 2025, all single-family houses, worth about $25 million to build. That's 3.5 per 1,000 residents, slower than across Florida (8.3). Over the past 10 years, Marathon has permitted 1,250 homes in all.
Homes vs. people, 2010–2020
Between the 2010 and 2020 censuses, Marathon gained 1,392 residents while 808 new homes were permitted: about 1.7 new residents per new home. Building and growth moved roughly in step. Across Florida: 2.8 new residents per new home.
How Marathon ranks on housing keeping up with growth →
Residents: U.S. Census Bureau, 2010 and 2020 censuses. New homes: permits issued 2010–2019.
Show as a table
| Year | New homes | Single-family | 2+ per building | Value |
|---|---|---|---|---|
| 2026 (Jan–Aug) | 29 | 27 | 2 | $18.3 million |
| 2025 | 35 | 35 | 0 | $25 million |
| 2024 | 96 | 48 | 48 | $40 million |
| 2023 | 185 | 74 | 111 | $79.5 million |
| 2022 | 129 | 125 | 4 | $68.2 million |
| 2021 | 64 | 62 | 2 | $43.2 million |
| 2020 | 128 | 90 | 38 | $37.9 million |
| 2019 | 420 | 108 | 312 | $65.8 million |
| 2018 | 87 | 84 | 3 | $27.7 million |
| 2017 | 67 | 41 | 26 | $14.7 million |
| 2016 | 39 | 35 | 4 | $9.6 million |
| 2015 | 114 | 55 | 59 | $29.6 million |
| 2014 | 24 | 24 | 0 | $7.2 million |
| 2013 | 11 | 11 | 0 | $2.7 million |
| 2012 | 22 | 22 | 0 | $5.7 million |
| 2011 | 5 | 5 | 0 | $2 million |
| 2010 | 19 | 19 | 0 | $6.9 million |
| 2009 | 14 | 14 | 0 | $3.3 million |
| 2008 | 48 | 20 | 28 | $9.8 million |
| 2007 | 46 | 46 | 0 | $15.2 million |
| 2006 | 104 | 96 | 8 | $24.7 million |
| 2005 | 194 | 189 | 5 | $30.4 million |
| 2004 | 84 | 84 | 0 | $11.6 million |
| 2003 | 32 | 32 | 0 | $4.8 million |
| 2002 | 32 | 30 | 2 | $7.7 million |
| 2001 | 19 | 19 | 0 | $3.7 million |
| 2000 | 6 | 6 | 0 | $1 million |
How Marathon ranks on new homes being built →
Homes authorized by building permits, counted in the year the permit was issued. U.S. Census Bureau, Building Permits Survey, through August 2026.
Marathon and its neighbors
| Town | Typical value | 1-yr change | 2-bed rent | New homes 2025 | Median income |
|---|---|---|---|---|---|
| Marathon | $833K | +1.1% | $2,050 | 35 | $89,355 |
| Key Colony Beach | $883K | +0.3% | $2,230 | 6 | $94,231 |
9.3 years of income
The typical Marathon home costs about 9.3 years of the town's median household income, more than across Florida (5 years).
How Marathon ranks on affordability →
Home value ÷ ACS median household income.
Owners, rent & taxes
U.S. Census Bureau, ACS 2020-2024.
A two-bedroom rents for about $2,050
HUD's Fair Market Rent for a two-bedroom in Marathon is $2,050 a month, utilities included: roughly what a modest, recently rented unit costs. Renters already in Marathon pay a median of $1,633, so moving in tends to cost more than staying put. A two-bedroom takes about 28% of the town's median household income.
Studio $1,410 · 4 bedrooms $3,010
U.S. Department of Housing and Urban Development, FY2026 Fair Market Rents by ZIP code (33050; Monroe County, FL), weighted by land area. A Fair Market Rent is the 40th-percentile rent plus utilities for a standard unit. Median rent: U.S. Census Bureau, American Community Survey.
Home values: Zillow Home Value Index (ZHVI), Zillow Research, August 2026. Sales, days on market and supply: Redfin Data Center, May 2026. Income, ownership, taxes and rent: U.S. Census Bureau, American Community Survey. New homes: U.S. Census Bureau, Building Permits Survey. Fair Market Rents: U.S. Department of Housing and Urban Development. Listings link to their publishers.