Marathon single-family and condo/townhouse statistics for August 2026, compared to August 2025. Full metrics for both segments are below. For trend analysis across the wider Florida Keys market, see the report linked further down this page.
August 2026 Snapshot: Single-family active inventory: 128, down 7.2% year over year. Condo/townhouse active inventory: 53, down 31% year over year.
Single-Family Homes: August 2026 vs. August 2025

Active listings slipped 7.2% from a year ago, while pending contracts nearly doubled, up 94%. Closed sales fell to 11 for the month, and median price came in 45% below last August at $857,000, on a sample small enough that the swing likely reflects which homes closed rather than a broad price shift.
| Metric | August 2026 | 12-Month Change (vs. Aug 2025) |
| Active Inventory | 128 | ▼ -7.2% |
| Pending Inventory | 31 | ▲ +94% |
| Closed Sales | 11 | ▼ -52% |
| New Listings | 22 | ▲ +29% |
| New Pending Sales | 19 | ▲ +46% |
| Median Sale Price | $857,000 | ▼ -45% |
Condo/Townhouse: August 2026 vs. August 2025

Only 3 condos closed in Marathon this August. That is too few transactions to read the numbers below as a trend, so treat this segment as a snapshot of one quiet month.
| Metric | August 2026 | 12-Month Change (vs. Aug 2025) |
| Active Inventory | 53 | ▼ -31% |
| Pending Inventory | 5 | No change |
| Closed Sales | 3 | ▲ +200% |
| New Listings | 9 | No change |
| New Pending Sales | 5 | ▼ -17% |
| Median Sale Price | $525,000 | ▼ -30% |
A Word to Buyers and Sellers
These numbers are a starting point, not a verdict. Only you can weigh what's right for your own move, your budget, your timeline, your reasons for buying or selling. What's useful here is context, how tight the competition looks right now, whether you're a buyer eyeing the same handful of listings as everyone else, or a seller sizing up what else is on the market.
Browse current Marathon homes for sale to see what is actually on the market today.
For a Broader Look at the Florida Keys Market
Marathon is one piece of the larger Keys market, and a thin sample like this month's 3 condo closings can swing widely on its own. For trends backed by hundreds of transactions across the island chain, see the Florida Keys report below.
See the full Florida Keys market report for August 2026
Frequently Asked Questions
How many single-family homes are for sale in Marathon right now?
There were 128 single-family homes active in Marathon in August 2026, down 7.2% from August 2025.
What is the median sale price for a condo or townhouse in Marathon?
The median condo and townhouse sale price was $525,000 in Marathon in August 2026, down 30% from August 2025, based on 3 closed sales.
How many single-family homes are pending sale in Marathon?
There were 31 single-family homes pending sale in Marathon in August 2026, up 94% from August 2025.
What is the median sale price for a single-family home in Marathon?
The single-family median sale price was $857,000 in Marathon in August 2026, down 45% from August 2025, based on 11 closed sales.
Data source: Florida Realtor SunStats, Marathon (City), Residential (Single-Family and Condo/Townhouse), August 2026 vs. August 2025. Figures may be revised by the source after publication. Information deemed reliable but not guaranteed.