Skip to content

Key Biscayne housing market

The median home in Key Biscayne sold for $1,630,000 in September 2026, down 32.1% from $2,400,000 14 months earlier. On the measures below the market leans toward buyers.

What is your Key Biscayne home worth?

The median tells you about the market. It does not tell you about your home. Ask for a valuation built from recent sales near you rather than an online estimate.

By submitting you agree to our Privacy Policy and Terms of Use.

Where Key Biscayne stands right now

Median sale price

$1,630,000

September 2026

Homes for sale

138

as of today

Months of supply

6.3

inventory ÷ recent sales

Median days on market

116 days

September 2026

October 2026 is still in progress, so its 2 closed sales so far are not comparable to a full month and are left out of the trends below.

Are buyers or sellers in control in Key Biscayne?

On the last full month of data, Key Biscayne leans toward buyers.

That is where the market stands today. Which way it has been moving is a separate question, and the trends below answer it.

  • ·6.3 months of supply, which favours buyers
  • ·only 0% of sales closed above asking
  • ·31.25% of sellers cut their price before closing

Read from months of supply, the share of sales closing above asking, and the share of sellers who cut their price. Each is scored against conventional thresholds and the balance decides. This describes the months already closed, not a prediction of what comes next.

Key Biscayne market trends, month by month

Every figure below is a complete calendar month. Blank months had too few sales to support a reliable median.

Median sale price

$2,400,000 in Jul 2025 to $1,630,000 in Sep 2026, down 32.1% over 14 months. Trending in buyers' favour.

Median sale price by month
MonthMedian sale price
Jul 2025$2,400,000
Aug 2025$1,290,000
Sep 2025$1,420,000
Oct 2025$2,325,000
Nov 2025too few sales to report
Dec 2025$1,300,000
Jan 2026$1,300,000
Feb 2026$1,910,000
Mar 2026$1,423,500
Apr 2026$3,000,000
May 2026$1,480,000
Jun 2026$1,635,000
Jul 2026$1,330,000
Aug 2026$1,550,000
Sep 2026$1,630,000

One month is left blank because fewer than ten homes closed, which is too small a sample for a reliable median.

Median days on market

63 days in Jul 2025 to 116 days in Sep 2026, up 84.1% over 14 months. Trending in buyers' favour.

Median days on market by month
MonthMedian days on market
Jul 202563 days
Aug 202588 days
Sep 202576 days
Oct 202568 days
Nov 2025too few sales to report
Dec 202555 days
Jan 2026123 days
Feb 202653 days
Mar 2026105 days
Apr 202643 days
May 202640 days
Jun 202643 days
Jul 202644 days
Aug 202660 days
Sep 2026116 days

One month is left blank because fewer than ten homes closed, which is too small a sample for a reliable median.

Share of sales closing above asking

4.8% in Jul 2025 to 0.0% in Sep 2026, down 100% over 14 months. Trending in buyers' favour.

Share of sales closing above asking by month
MonthShare of sales closing above asking
Jul 20254.8%
Aug 20250.0%
Sep 202520.0%
Oct 20250.0%
Nov 2025too few sales to report
Dec 20255.3%
Jan 20260.0%
Feb 202613.3%
Mar 20267.1%
Apr 202611.8%
May 20269.1%
Jun 20263.9%
Jul 202613.8%
Aug 20264.8%
Sep 20260.0%

One month is left blank because fewer than ten homes closed, which is too small a sample for a reliable median.

Share of sellers who cut their price

33.3% in Jul 2025 to 31.3% in Sep 2026, down 6.2% over 14 months. Trending in sellers' favour.

Share of sellers who cut their price by month
MonthShare of sellers who cut their price
Jul 202533.3%
Aug 202557.9%
Sep 202553.3%
Oct 202550.0%
Nov 2025too few sales to report
Dec 202536.8%
Jan 202652.6%
Feb 202626.7%
Mar 202650.0%
Apr 202611.8%
May 202636.4%
Jun 202615.4%
Jul 202631.0%
Aug 202633.3%
Sep 202631.3%

One month is left blank because fewer than ten homes closed, which is too small a sample for a reliable median.

Homes sold

21 in Jul 2025 to 16 in Sep 2026, down 23.8% over 15 months.

Homes sold by month
MonthHomes sold
Jul 202521
Aug 202519
Sep 202515
Oct 202514
Nov 20257
Dec 202519
Jan 202619
Feb 202615
Mar 202614
Apr 202617
May 202611
Jun 202626
Jul 202629
Aug 202621
Sep 202616

Buying in Key Biscayne?

The same figures read differently from the buying side. Ask what they mean for an offer on a specific home rather than for the market as a whole.

Compare Key Biscayne with nearby markets

Source: BeachesMLS via Trestle, compiled by Pure Equity Realty. Figures cover residential sales and exclude land and commercial. Updated nightly.

Areas We Cover

Show All Areas

More Florida cities

Palm Beach County ZIP codes

Communities