Key Biscayne condo market report — Sep 2025
Live inventory as of today; sales figures from closed MLS transactions.
September 2025 in Key Biscayne
14 condos came to market in Key Biscayne during September 2025.
Closed sales
11 condo sales closed in September 2025 at a median price of $1,340,000 ($930 per square foot), after a median 76 days on market.
That compares with 17 closings in August 2025, when the median closed price per square foot was $776.
Year over year, closed prices per square foot are up 13.9% from $816 in September 2024.
The trailing year
Over the 12 months ending September 2025, Key Biscayne recorded 160 condo closings — an average of 13 a month — with the busiest month being August 2025 at 17 sales.
Monthly median closed prices ranged from $698 to $950 per square foot over that span.
Where to look next
Browse every condo for sale in Key Biscayne, set up a price-drop alert, or compare buildings side by side. All figures are Own Miami calculations from MIAMI REALTORS® MLS data.
Sold $/sqft and closings, 24 months
| Month | New listings | Closed | Median sold | Median sold $/sf | Median DOM |
|---|---|---|---|---|---|
| Sep 2026 | 14 | 4 | $1.88M | $972/sqft | 104 |
| Aug 2026 | 18 | 17 | $1.5M | $921/sqft | 33 |
| Jul 2026 | 15 | 22 | $1.16M | $769/sqft | 33 |
| Jun 2026 | 21 | 22 | $1.53M | $878/sqft | 34 |
| May 2026 | 30 | 15 | $1.5M | $1,017/sqft | 40 |
| Apr 2026 | 30 | 16 | $1.6M | $876/sqft | 42 |
| Mar 2026 | 23 | 18 | $1.14M | $847/sqft | 98 |
| Feb 2026 | 26 | 14 | $1.49M | $875/sqft | 47 |
| Jan 2026 | 15 | 16 | $1.19M | $886/sqft | 91 |
| Dec 2025 | 9 | 16 | $1.23M | $829/sqft | 44 |
| Nov 2025 | 17 | 6 | $2.02M | $944/sqft | 58 |
| Oct 2025 | 17 | 10 | $1.26M | $930/sqft | 64 |
Most inventory
Highest asking $/sqft
Biggest price cuts on the market
Active listings with the largest reductions from their original asking price.
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