Current Key Biscayne median home price: $1,611,890
| Date | Average price (≈) | Minimum price (⇓) | Maximum price (⇑) |
|---|---|---|---|
| 2025 September | $1,593,798 | $1,434,418 | $1,753,178 |
| 2025 October | $1,601,855 | $1,441,669 | $1,762,040 |
| 2025 November | $1,609,716 | $1,448,745 | $1,770,688 |
| 2025 December | $1,616,241 | $1,454,617 | $1,777,865 |