salaryRent here is among the highest 10% in the country. Household incomes are higher than in 97% of U.S. cities. A typical house costs about 8.0 years of household income, so buying is hard for most locals. It is a highly educated city: 77.2% of adults have a college degree.
How much money do I need?
To rent here comfortably, you should earn about $140,040 a year. That is $67 an hour at a full-time job.
Is rent cheaper than other Florida cities?
No. Rent here is more expensive than in most of Florida. It is number 474 of 479 cities from cheapest to most expensive.
How much do households earn in Key Biscayne?
Share of households by yearly income. 59.0% of households earn $100,000 or more.
Rent by apartment size in Key Biscayne
| Size | Key Biscayne | U.S. average |
|---|---|---|
| Studio | $1,697 | $1,338 |
| 1 bedroom | $2,606 | $1,324 |
| 2 bedrooms | $3,500+ | $1,509 |
| 3 bedrooms | $3,500+ | $1,698 |
| 4 bedrooms | $3,500+ | $2,098 |
Median monthly rent plus utilities for all renters, by number of bedrooms.
How expensive is Key Biscayne overall?
Everyday prices in Florida overall are 3% above the U.S. average (index 103.4, U.S. = 100).
Source: U.S. Bureau of Economic Analysis, Regional Price Parities 2024. City-level data is not published for Key Biscayne, so the Florida figure is shown.
Taxes and bills in Key Biscayne
Life in Key Biscayne
Is it cheaper to rent or buy in Key Biscayne?
Renting is cheaper right now: about $7,429 a month less.
Owning assumes a typical $1,575,300 home, 10% down, a 30-year loan at 6.5% and about 1.5% a year for taxes and insurance. You would also need $157,530 for the down payment.
Frequently asked questions
What is the average rent in Key Biscayne, FL?
Renting in Key Biscayne costs a median of about $3,500+ a month in 2026, including utilities. The Florida median is $1,963.
How much do I need to make to live in Key Biscayne?
To keep rent under 30% of income, you need about $140,040 a year, or $67 an hour at a full-time job.
Is Key Biscayne cheap or expensive?
Key Biscayne is rated OK: rent takes 21.5% of the typical household income of $195,753. It ranks 474th cheapest of 479 Florida cities we track.
How much are property taxes in Key Biscayne?
The median homeowner in Key Biscayne pays $10,000+ a year in property taxes, about 0.63% of the median home value.
Is Key Biscayne more expensive than the national average?
Overall prices in Florida are 3% above the U.S. average, according to the U.S. Bureau of Economic Analysis.
How much does a house cost in Key Biscayne?
The median home value in Key Biscayne is $1,575,300, about 8.0 times the typical yearly household income.
14,791 people live in Key Biscayne. Numbers are typical (middle) values.