Cost of Living in Key Biscayne, FL
Overall index: 253 (100 = US national average). Data source: US Census ACS 2023 & BLS OEWS 2025, 2025.
Overall Cost of Living Index
Cost Breakdown by Category
| Category | Index | vs US avg | Sample cost |
|---|---|---|---|
| Housing | 356 | +256% | $2,451 |
| Transportation | 100 | +0% | $3.50 |
| Food | 231 | +131% | $947 |
| Utilities | 228 | +128% | $641 |
| Healthcare | 228 | +128% | $463 |
Index 100 = US national average. Higher = more expensive.
Cost breakdown (visual)
Salary Calculator: What do you need to earn in Key Biscayne?
A single adult living comfortably in Key Biscayne, FL needs approximately $88,550 / year after taxes.
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Frequently Asked Questions
What is the cost of living in Key Biscayne, FL?
The overall cost of living in Key Biscayne, FL is 153% higher than the US national average (index: 253 where 100 = national average).
How much is rent in Key Biscayne, FL?
Average rent for a 1-bedroom apartment in Key Biscayne, FL is about $2,451/month.
Is Key Biscayne, FL expensive to live in?
Yes, Key Biscayne, FL is considered expensive (index above national average).
What salary do I need to live in Key Biscayne, FL?
A single adult needs roughly $88,550/year to cover basic living costs in Key Biscayne, FL.