Key Biscayne, FL Cost Of Living

Demographics | Crime | Cost Of Living
Updated: 2025-10-24

Cost Of Living In Key Biscayne, FL Summary

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:

  • The cost of living index in Key Biscayne is 262, with 100 being the average.

  • The cost of living index in Key Biscayne is 2.6x higher than the national average.

  • Key Biscayne ranks as the #459 cheapest in Florida out of 459.

  • Key Biscayne ranks as the #6,438 cheapest out of 6,489 in the US.

  • The median home value in Key Biscayne is $1,598,436.

  • The median income in Key Biscayne is $172,604.

Table Of Contents

  1. Summary
  2. National Comparison
  3. Housing Breakdown
  4. Detailed Pricing
  5. Nearby Comparisons
262
Key Biscayne's Overall Cost Of Living
2.6x
Higher Than The National Average

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 262, which is 2.6x higher than the national index of 100.

Compared to Florida, Key Biscayne has a cost of living index that's 2.7x higher than Florida's index of 97.

The standard of living in Key Biscayne ranks as #459 most affordable out of the 459 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:

459 out of 459
In Florida
6,438 out of 6,489
In America

Key Biscayne Cost Of Living Vs. Florida

Six factors go into calculating the cost of living index in Key Biscayne. Here is how it fairs on each of the criteria:

  • The Services index in Key Biscayne is 106.

  • The Groceries index in Key Biscayne is 102.

  • The Health index in Key Biscayne is 98.

  • The Housing index in Key Biscayne is 626.

  • The Transportation index in Key Biscayne is 104.

  • The Utilities index in Key Biscayne is 101.

Living Expense Key Biscayne Florida National Average
Overall 262 97 100
Services 106 96 100
Groceries 102 99 100
Health 98 98 100
Housing 626 96 100
Transportation 104 97 100
Utilities 101 95 100
For more reading on cost of living around Florida, check out:
Key Biscayne Cost of Living Vs. FL

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 2019-2023. The key points are:

  • The Median Home Value in Key Biscayne is $1,598,436.

  • The Median Rent in Key Biscayne is $3,501.

  • The Median Income in Key Biscayne is $172,604.

  • The Home Value To Income in Key Biscayne is 9.3x.

  • The Rent To Monthly Income in Key Biscayne is 0.24x.

Statistic Key Biscayne Florida United States
Median Home Value $1,598,436 $377,066 $303,400
Median Rent $3,501 $1,564 $1,348
Median Income $172,604 $71,711 $78,538
Home Value To Income 9.3x 5.3x 3.9x
Rent To Monthly Income 0.24x 0.26x 0.21x
$1,598,436
Median Home Value
$3,501
Median Rent
$172,604
Median Income

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

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

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 125, 0.5x Key Biscayne.

  • Miami Beach, FL has a cost of living index of 136, 0.5x Key Biscayne.

  • Kendale Lakes, FL has a cost of living index of 118, 0.5x Key Biscayne.

City Population Cost Of Living Vs. Key Biscayne
Miami, FL 446,663 125 0.5x
Miami Beach, FL 81,319 136 0.5x
Kendale Lakes, FL 52,141 118 0.5x
Tamiami, FL 51,201 124 0.5x
Coral Gables, FL 49,243 188 0.7x
Richmond West, FL 35,988 132 0.5x
Miami Lakes, FL 30,731 136 0.5x
Coral Terrace, FL 24,051 128 0.5x
The Crossings, FL 22,359 125 0.5x
Country Walk, FL 18,693 133 0.5x

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