Key Biscayne, FL vs South Sarasota, FL

The cost of living difference between Key Biscayne, FL and South Sarasota, FL is dramatic. South Sarasota is 74% cheaper than Key Biscayne, a gap that translates to thousands of dollars per year in household expenses. Key Biscayne has a cost index of 247 while South Sarasota sits at 142, making this one of the more striking comparisons on our site. Relocating between these cities would require a serious reassessment of budget and lifestyle expectations.

On the housing front, median rent in Key Biscayne is $3,501/month compared to $1,776/month in South Sarasota — a 97% difference. Home values follow the same pattern: South Sarasota is more affordable at $629,400 median vs $1,238,700.

Median household income in Key Biscayne is $172,604 compared to $93,958 in South Sarasota (+83.7%). While Key Biscayne is more expensive, its higher salaries more than compensate — residents there may actually end up with more disposable income. Looking at affordability, residents of Key Biscayne spend roughly 24.3% of their income on rent, more than the 22.7% in South Sarasota.

Climate-wise, Key Biscayne is notably warmer with an average of 77.4°F compared to 74.1°F in South Sarasota. Key Biscayne receives more rainfall at 51" per year compared to 49.1" in South Sarasota.