In January 2026, Key Biscayne, FL homes were selling for an average price of $2,750,801, Key Biscayne, FL homes on average sell after 103 days on the market compared to 94 days last year. There were 199 homes sold in Key Biscayne, FL for January 2026, compared to 235 last year.
The average list price of condos/co-ops in Key Biscayne, FL, was $2,257,624 in January 2026, compared to $1,898,046 in January 2025.
Key Biscayne, FL Market Trend for Lots/Land
Average List Price
The average list price of lots/land in Key Biscayne, FL, was $0 in January 2026, compared to $0 in January 2025.
Key Biscayne, FL Market Trend for Commercial
Average List Price
The average list price of commercial in Key Biscayne, FL, was $0 in January 2026, compared to $990,836 in January 2025.
Key Biscayne, FL Housing Market Analysis
The average list price in Key Biscayne, FL is $4,768,039. The average list price in Key Biscayne, FL went up 32.93% from 2025 to 2026. Key Biscayne, FL home resale inventories is 156, which increased 64.21% since 2025. The average list price per square foot in Key Biscayne, FL is $1,479. 2025 it was $1,218.
