Current Islip median home price: $608,244
| Date | Average price (≈) | Minimum price (⇓) | Maximum price (⇑) |
|---|---|---|---|
| 2026 March | $658,007 | $592,206 | $723,807 |
| 2026 April | $661,863 | $595,676 | $728,049 |
| 2026 May | $665,741 | $599,167 | $732,316 |
| 2026 June | $669,643 | $602,679 | $736,607 |
| 2026 July | $673,567 | $606,211 | $740,924 |
| 2026 August | $674,960 | $607,464 | $742,456 |
| 2026 September | $677,779 | $610,001 | $745,557 |
| 2026 October | $681,751 | $613,576 | $749,926 |
| 2026 November | $685,746 | $617,172 | $754,321 |
| 2026 December | $688,554 | $619,698 | $757,409 |