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Market Intelligence · FL / Miami-Dade County

Key Biscayne, FL home prices and housing market

1 ZIP market liveData updated September 2026Typical value$1.72M1-yr changeUp7.7%

The typical home value in Key Biscayne, FL is $1.72M as of September 2026, up 7.7% from a year ago, based on the Zillow Home Value Index. In the typical Key Biscayne ZIP code, the median list price is $2.4M and homes spend a median of 99 days on market as of September 2026 (Realtor.com).

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The coverage

Key Biscayne, by the numbers.

Typical home valueZillow ZHVI, September 2026
$1.72M
1-yr changeMedian across Key Biscayne ZIPs
+7.7%
ZIP markets live
1
County
Miami-Dade County

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12-month value trend

+7.7% over 12 months

Typical home value in Key Biscayne over the last 12 months: $1.6M in Sep 2025 to $1.72M in Sep 2026 (+7.7%).

Sep 2025$1.6M

Sep 2026$1.72M

Median Zillow home value index across Key Biscayne's ZIP codes.

Context

Key Biscayne's housing market remains strong as of September 2026. Typical home values stand at $1,722,332, representing a 7.7% increase over the past year. The median list price is $2,397,500, with 150 homes currently on the market and 26 new listings added recently. Homes are spending a median of 99 days on the market, and 10.7% of listings have seen price cuts. For homeowners considering a sale, the market is active but not rushed, suggesting you have time to prepare and price strategically.

The numbers

What is the housing market like in Key Biscayne, FL?

Typical home value

$1.72M

Up7.7%YoY

Median list price

$2.4M

Days on market

99

Homes for sale

150

Price cuts

10.7%

New listings

26

Sources · Zillow ZHVI (September 2026) / Realtor.com (September 2026)

Figures reflect Key Biscayne's ZIP codes with market data: values and listing medians take the median across ZIPs; inventory and new listings are summed.

Prices over time

Key Biscayne, FL home prices over time

Typical home values in Key Biscayne, FL are up 7.7% over the past year, from $1.6M in September 2025 to $1.72M in September 2026.

Typical home value in Key Biscayne, FL, September of each year
MonthTypical value1-yr change
September 2026$1,722,332+7.7%
September 2025$1,599,590No prior year

Typical value is the median Zillow Home Value Index across Key Biscayne ZIP codes, taken in September of each year so every row compares the same month.

Market balance

Is Key Biscayne, FL a buyer's or seller's market?

Key Biscayne, FL leans toward a buyer's market.

Homes are taking longer to sell and homes for sale are building up relative to new listings, which gives buyers more room to negotiate.

Based on a median of 99 days on market and 11% of listings with a price cut in the typical Key Biscayne ZIP code, and 26 new listings against 150 active listings across Key Biscayne, as of September 2026 (Realtor.com).

The outlook

Key Biscayne housing market forecast 2027

+1.4%

Weighted average of Zillow's ZIP forecasts, 12 months to September 2027

A weighted average of Zillow's ZIP forecasts, across 1 Key Biscayne ZIP code, points to typical home values rising 1.4% by September 2027.

Over the 12 months through September 2026, typical home values in Key Biscayne rose 7.7%, per the Zillow Home Value Index.

Will home prices drop in Key Biscayne?

The forecasts do not call for a drop: a weighted average of Zillow's ZIP forecasts for Key Biscayne shows typical home values rising 1.4% by September 2027, after a 7.7% rise over the past 12 months. Forecasts are not guarantees: mortgage rates, inventory, and the wider economy can move values either way.

How this is calculated: each ZIP code's 12-month Zillow forecast is weighted by its typical home value (Zillow Home Value Index, September 2026). 1 Key Biscayne ZIP code has both figures.

Forecast: a weighted average of Zillow's ZIP forecasts (Zillow Home Value Forecast, published October 2026), calculated by Home Value Pros. A forecast, not a guarantee.

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Live markets

What ZIP codes are live in Key Biscayne?

Typical value is the Zillow home value index (ZHVI) for each ZIP, as of September 2026. 1-yr change compares it to the same ZIP a year earlier.

Zillow ZHVI, September 2026

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Common questions

Questions about Key Biscayne, FL home prices.

What is a typical home worth in Key Biscayne?

Typical home values in Key Biscayne are $1,722,332 as of September 2026, up 7.7% over the past year.

How long do homes take to sell in Key Biscayne?

Homes spend a median of 99 days on the market in Key Biscayne.

How many homes are for sale in Key Biscayne right now?

There are 150 homes currently for sale in Key Biscayne, with a median list price of $2,397,500 as of September 2026.

Are home prices going up or down in Key Biscayne, FL?

Typical home values in Key Biscayne, FL are up 7.7% over the past year, based on the Zillow Home Value Index as of September 2026.

Is Key Biscayne, FL a buyer's or seller's market?

Key Biscayne, FL leans toward a buyer's market. Homes are taking longer to sell and homes for sale are building up relative to new listings, which gives buyers more room to negotiate. Based on a median of 99 days on market and 11% of listings with a price cut in the typical Key Biscayne ZIP code, and 26 new listings against 150 active listings across Key Biscayne, as of September 2026 (Realtor.com).

Nearby markets

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