In September 2026, the median home sale price in Key Biscayne (33149), FL was $1,699,000, with homes selling in an average of 112 days — slower than the 97-day average last year, suggesting buyers have more negotiating room. A total of 227 homes sold in this period, up from 220 last year — a sign of an active market.
The median list price of condos/co-ops in Key Biscayne (33149), FL, was $1,540,000 in September 2026, compared to $1,349,000 in September 2025.
Key Biscayne (33149), FL Market Trend for Lots/Land
Median List Price
The median list price of lots/land in Key Biscayne (33149), FL, was $0 in September 2026, compared to $0 in September 2025.
Key Biscayne (33149), FL Market Trend for Commercial
Median List Price
The median list price of commercial in Key Biscayne (33149), FL, was $1,450,000 in September 2026, compared to $724,500 in September 2025.
Key Biscayne (33149), FL Housing Market Analysis
There are currently 150 homes listed for sale in Key Biscayne (33149), FL, an increase of 68.54% compared to 2025. With inventory tight relative to sales volume, sellers are in a strong position. The median asking price is $6,054,293 (up 43.65% year-over-year), and the average price per square foot is $1,151 compared to $1,057 in 2025. Properties spend an average of 130 days on the market before going under contract.
