Housing in Key Biscayne, FL
Home values, rent, ownership rates, and housing market data
Housing Market Snapshot
Source: Redfin — January 2026Median Sale Price
$1,300,000
Median List Price
$2,925,000
Price Per Sq Ft
$933
Days on Market
210
Active Inventory
131
Months of Supply
6.9
Buyer's market
Zillow Home Value
$1,619,714
ZHVI — January 2026
Zillow Rent Index
$7,188
ZORI — January 2026
Price Trends
Source: RedfinMarket Competitiveness
Source: RedfinSold Above List
0.0%
Off Market in 2 Weeks
7.7%
Sale-to-List Ratio
94.2%
Buyer's market
Market Activity
Source: RedfinHomes Sold
19
New Listings
26
Pending Sales
26
Price Per Square Foot
Source: RedfinMedian Sale $/SF
$933
Median List $/SF
$1,221
Key Biscayne vs Similar Cities
Source: Census ACS / Redfin (2023)Compared to cities with 10,000 - 25,000 residents. Key Biscayne is highlighted.
Median Home Value
Median Rent
Median Price Per Sq Ft
Rent Burden
Census Housing Data
Source: U.S. Census Bureau ACS (2023)Median Home Value
$1,238,700
Median Rent
$3,501
Total Housing Units
7,496
Vacancy Rate
33.5%
Owner Occupied
69.3%
Renter Occupied
30.7%
Median Property Tax
$10,001
per year
Monthly Cost (w/ Mortgage)
$3,498
Housing Types
The current median sale price in Key Biscayne, FL is $1,300,000 according to Redfin data. Homes spend a median of 210 days on the market. 0.0% of homes sold above asking price. The market has 6.9 months of supply. The median price per square foot is $933. Zillow's observed rent index is $7,188/month. About 69.3% of housing units are owner-occupied. The median year homes were built is 1978. There are 7,496 total housing units.