Cost of living in Siesta Key, FL — Housing, Rent & Index

The median home value in Siesta Key, FL is $820,289 as of 2026-04. That places Siesta Key above the US average for housing cost, with a cost index of approximately 231 versus a national baseline of 100.

Over the past 12 months, the median home value in Siesta Key has fallen 7.4%, and over the past five years it has averaged +3.2% annual growth. The current price sits -18.7% from its 5-year peak in 2022-08.

Renters pay a median of $7,291 per month in Siesta Key. Rents have changed — over the last year and averaged — per year over five years.

Beyond housing, day-to-day costs in Siesta Key are shaped by state and local taxes, utility rates, transportation, and groceries. This page focuses on the housing component, which is the largest single line in most household budgets and the easiest to compare across cities using consistent national data.