What is the cost of living in Key Biscayne, FL?
According to the most recent data on the cost of living, Key Biscayne has an overall cost of living index of 270, which is 2.7x higher than the national index of 100.
Compared to Florida, Key Biscayne has a cost of living index that's 2.6x higher than Florida's index of 104.
The standard of living in Key Biscayne ranks as #462 most affordable out of the 462 places we measured in Florida. By definition, that implies Key Biscayne ranks as the #0 most expensive place in the Sunshine State.
For more reading on life in Key Biscayne, check out:
Key Biscayne Cost Of Living Vs. Florida
Six factors go into calculating the cost of living index in Key Biscayne. Here is how it fares on each of the criteria:
The Services index in Key Biscayne is 107.
The Groceries index in Key Biscayne is 110.
The Health index in Key Biscayne is 640.
The Housing index in Key Biscayne is 105.
The Transportation index in Key Biscayne is 119.
The Utilities index in Key Biscayne is 118.
| Living Expense | Key Biscayne | Florida | National Average |
|---|---|---|---|
| Overall | 270 | 104 | 100 |
| Services | 107 | 101 | 100 |
| Groceries | 110 | 105 | 100 |
| Health | 640 | 99 | 100 |
| Housing | 105 | 104 | 100 |
| Transportation | 119 | 109 | 100 |
| Utilities | 118 | 105 | 100 |
Key Biscayne Cost Of Living Compared To Florida Averages
Index where 100 = national average. Source: cost-of-living index 2026.
For more reading on cost of living around Florida, check out:
Protect your home budget Compare home warranties in Key Biscayne Get matched →Source: Cost-of-living index 2026, normalized to US average = 100
Key Biscayne, FL Housing Cost Breakdown
Housing swings affordability the most between places in Florida, so we broke down housing costs into more detail. Home and income data comes from the most recent US Census ACS 2020-2024. The key points are:
The Median Home Value in Key Biscayne is $1,658,763.
The Median Rent in Key Biscayne is $3,501.
The Median Income in Key Biscayne is $181,505.
The Home Value To Income in Key Biscayne is 9.1x.
The Rent To Monthly Income in Key Biscayne is 0.23x.
| Statistic | Key Biscayne | Florida | United States |
|---|---|---|---|
| Median Home Value | $1,658,763 | $375,661 | $332,700 |
| Median Rent | $3,501 | $1,669 | $1,413 |
| Median Income | $181,505 | $74,568 | $80,734 |
| Home Value To Income | 9.1x | 5.0x | 4.1x |
| Rent To Monthly Income | 0.23x | 0.27x | 0.21x |
Key Biscayne, FL Costs By Category
Detailed Key Biscayne Services costs vs. Florida
| Item | Key Biscayne | Florida |
|---|---|---|
| Shampoo | $1.53 | $1.28 |
| Movie | $14.35 | $12.13 |
| Bowling | $23.67 | $18 |
| Haircut | $20.53 | $24.26 |
| Beauty Salon | $88.07 | $45.56 |
Detailed Key Biscayne Groceries costs vs. Florida
| Item | Key Biscayne | Florida |
|---|---|---|
| Ground Beef | $6.11 | $5.84 |
| Fried Chicken | $1.4 | $1.57 |
| Milk | $4.6 | $4.67 |
| Potatoes | $5.24 | $4.93 |
| Pizza | $14.13 | $12.09 |
| Beer | $11.44 | $10.41 |
| Toothpaste | $3.51 | $3.7 |
Detailed Key Biscayne Health costs vs. Florida
| Item | Key Biscayne | Florida |
|---|---|---|
| Optometrist | $98.49 | $125.68 |
| Doctor | $127.08 | $135.78 |
| Dentist | $107.83 | $113.29 |
Detailed Key Biscayne Transportation costs vs. Florida
| Item | Key Biscayne | Florida |
|---|---|---|
| Gasoline | $3.49 | $3.46 |
| Tire Balancing | $64.09 | $59.92 |
Detailed Key Biscayne Utilities costs vs. Florida
| Item | Key Biscayne | Florida |
|---|---|---|
| All Electricity | $200.94 | $193.99 |
| Phone | $194.37 | $192.25 |
Key Biscayne SnackAbility
Cost Of Living In Cities Around Key Biscayne
The cost of living varies in the cities and towns around Key Biscayne. Here's a quick look at the cost of living in the most populous nearby places:
Miami, FL has a cost of living index of 131, 0.5x Key Biscayne.
Miami Beach, FL has a cost of living index of 137, 0.5x Key Biscayne.
Kendale Lakes, FL has a cost of living index of 120, 0.4x Key Biscayne.
| City | Population | Cost Of Living | Vs. Key Biscayne |
|---|---|---|---|
| Miami, FL | 459,745 | 131 | 0.5x |
| Miami Beach, FL | 82,031 | 137 | 0.5x |
| Kendale Lakes, FL | 52,622 | 120 | 0.4x |
| Coral Gables, FL | 49,802 | 191 | 0.7x |
| Tamiami, FL | 49,752 | 126 | 0.5x |
| Richmond West, FL | 35,593 | 133 | 0.5x |
| Miami Lakes, FL | 31,553 | 134 | 0.5x |
| Coral Terrace, FL | 24,895 | 128 | 0.5x |
| The Crossings, FL | 22,963 | 126 | 0.5x |
| Glenvar Heights, FL | 19,395 | 131 | 0.5x |








