Current Central Islip median home price: $527,857
| Date | Average price (≈) | Minimum price (⇓) | Maximum price (⇑) |
|---|---|---|---|
| 2025 September | $564,231 | $507,808 | $620,654 |
| 2025 October | $567,379 | $510,641 | $624,117 |
| 2025 November | $570,545 | $513,490 | $627,599 |
| 2025 December | $573,728 | $516,356 | $631,101 |