Current Islip median home price: $608,244
| Date | Average price (≈) | Minimum price (⇓) | Maximum price (⇑) |
|---|---|---|---|
| 2025 September | $656,715 | $591,043 | $722,386 |
| 2025 October | $660,612 | $594,551 | $726,673 |
| 2025 November | $664,532 | $598,079 | $730,985 |
| 2025 December | $668,476 | $601,628 | $735,323 |