Key Biscayne, FL Cost Of Living

The latest cost of living statistics for Key Biscayne. Includes statistics on rent, mortgages, healthcare, and other costs for Key Biscayne compared to the state and national averages.

Cost of living in Key Biscayne, Florida

Cost of living in Key Biscayne research summary. The cost of living index is set to 100 for the average place in the United States. A cost of living index above 100 means Key Biscayne is expensive. An index value below 100 means the city is a relatively cheap place to live.

On a city-by-city basis in Florida, home prices and rent have the biggest impact on the cost of living. Here are the key takeaways based on Saturday Night Science:

270 Cost of living index 2.7x higher vs US
#462 Cheapest in Florida (of 462)
#6,443 Cheapest in the U.S. (of 6,489)
$1,658,763 Median home value
$3,501 Median rent
$181,505 Median income
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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

Services
Key Biscayne 107
Florida avg 101
Groceries
Key Biscayne 110
Florida avg 105
Health
Key Biscayne 640
Florida avg 99
Housing
Key Biscayne 105
Florida avg 104
Transportation
Key Biscayne 119
Florida avg 109
Utilities
Key Biscayne 118
Florida avg 105

Index where 100 = national average. Source: cost-of-living index 2026.

For more reading on cost of living around Florida, check out:

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Source: Cost-of-living index 2026, normalized to US average = 100

Key Biscayne, FL Housing Cost Breakdown

$1,658,763Median Home Value
$3,501Median Rent
$181,505Median Income

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

10Overall SnackAbility
Jobs 8.5/10
Housing 10/10
Affordability 5/10
Diversity 8/10
Safety 8.5/10
Amenities 9/10
Education 10/10
Commute 6/10

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