In January 2026, Key Biscayne, FL homes were selling for an average price of $2,755,603, Key Biscayne, FL homes on average sell after 102 days on the market compared to 95 days last year. There were 198 homes sold in Key Biscayne, FL for January 2026, compared to 236 last year.
The average list price of condos/co-ops in Key Biscayne, FL, was $2,277,395 in January 2026, compared to $1,958,670 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 $4,913,377. The average list price in Key Biscayne, FL went up 36.98% from 2025 to 2026. Key Biscayne, FL home resale inventories is 154, which increased 62.11% since 2025. The average list price per square foot in Key Biscayne, FL is $1,491. 2025 it was $1,218.
