Current Islip median home price: $608,244
| Date | Average price (≈) | Minimum price (⇓) | Maximum price (⇑) |
|---|---|---|---|
| 2026 January | $672,442 | $605,198 | $739,687 |
| 2026 February | $676,433 | $608,790 | $744,076 |
| 2026 March | $680,447 | $612,402 | $748,492 |
| 2026 April | $684,485 | $616,037 | $752,934 |
| 2026 May | $688,547 | $619,692 | $757,402 |
| 2026 June | $692,633 | $623,370 | $761,896 |
| 2026 July | $696,743 | $627,069 | $766,418 |
| 2026 August | $698,184 | $628,366 | $768,003 |
| 2026 September | $701,100 | $630,990 | $771,210 |
| 2026 October | $705,261 | $634,735 | $775,787 |
| 2026 November | $709,446 | $638,501 | $780,391 |
| 2026 December | $712,350 | $641,115 | $783,585 |