Key Biscayne 2026 Market Report
Key Biscayne Average Home Prices in November 2026
54 Homes for Sale
AVERAGE LIST PRICE
$13,392,981
$3,275/SqFt
43 Sold Homes
AVERAGE SOLD PRICE
$6,012,515
$1,717/SqFt
154 day average on market
(last 12 mo)
44 Homes for Rent
AVERAGE LIST PRICE
$31,777
$9/SqFt
51 Rented Homes
AVERAGE RENTED PRICE
$17,487
$6/SqFt
79 day average on market
(last 12 mo)
Key Biscayne Average Condo Prices in November 2026
125 Condos for Sale
AVERAGE LIST PRICE
$2,499,148
$1,346/SqFt
180 Sold Condos
AVERAGE SOLD PRICE
$1,828,330
$1,058/SqFt
101 day average on market
(last 12 mo)
208 Condos for Rent
AVERAGE LIST PRICE
$9,770
$6/SqFt
304 Rented Condos
AVERAGE SOLD PRICE
$8,493
$5/SqFt
88 day average on market
(last 12 mo)
Key Biscayne Real Estate Market Overview in November 2026
Sale Market Overview
- Median Sale Price: The median sale price for all bedrooms houses and condos in Key Biscayne is $5,785,556 in November 2026, averaging $2,287 per square foot.
- Median Sold Price: The median sold price for all bedrooms houses and condos in Key Biscayne in the last 12 months is $2,635,146, averaging $1,273 per square foot.
- Properties Available for Sale: There are 179 properties for sale in Key Biscayne, of which 54 are houses and 125 are condominium units listed for sale now.
- Days in the Market: Key Biscayne properties are selling after an average of 111 days on the market.
Rental Market Overview
- Median List Price for Rent: The median rental price for all bedrooms houses and condos in Key Biscayne is $13,612 in November 2026, averaging $7 per square foot.
- Average Rent: The average rent in Key Biscayne for all bedrooms houses and condos in the last 12 months is $9,785 per month, averaging $5 per square foot.
- Properties Available for Rent: There are 252 properties for rent right now in Key Biscayne, of which 44 are houses and 208 are condos.
- Days in the Market: Key Biscayne properties are renting after an average of 86 days on the market.
Pros and Cons for Buying a Property in Key Biscaine in November 2026
Pros of Buying a Property in Key Biscayne
- Exclusive Location: With a limited number of properties on an exclusive island, buyers invest in a unique and prestigious location.
- Long-term Value: Despite current market fluctuations, the long-term value of properties in Key Biscayne has traditionally been strong due to its desirability and limited supply.
- Strong Rental Market: The rental market in Key Biscayne is robust, with high median rents that can yield significant returns for property owners.
- Wealthy Demographics: With a per capita income of $79,743, which is wealthy relative to Florida and the nation, the demographics of Key Biscayne support a high-end rental and sales market.
Cons of Buying a Property in Key Biscayne
- High Entry Price: The cost of entry into the Key Biscayne market is steep, making it challenging for average buyers.
- Market Volatility: Like any upscale market, Key Biscayne can experience significant price fluctuations, which may impact short-term investments.
- High Cost of Living: The cost of living in Key Biscayne is significantly higher than the national average, with utility, groceries, and transportation costs all above average due to its island location.
Key Biscayne Sales Market Snapshot
Based on 224 closed transactions recorded in the MLS between November 5, 2025 and October 27, 2026.
Breakdown by number of bedrooms
What the numbers say
2-bedroom units led activity with 86 of the 224 closed sales (38%), at a median sale price of $1,250,000. Half of the recorded sale prices fell between $1,075,000 and $3,002,500, and the full range was $395,000 to $23,500,000. Closings showed a median of 70 days on market and a median of $968.32 per square foot. There are 179 units for sale listed today, roughly 9.6 months of supply at the current pace of closings.
Source: Faccin Investments, closed transaction records from the MLS. Last updated November 5, 2026. These are descriptive statistics of recorded transactions — not an appraisal, a price opinion or a guarantee of rental performance.
Frequently Asked Questions
How much do properties sell for in Key Biscayne?
In the 12 months to October 27, 2026, 224 sales closed in Key Biscayne with a median sale price of $1,602,500. Half of the closings were between $1,075,000 and $3,002,500, and the range ran from $395,000 to $23,500,000.
How long does it take to sell a property in Key Biscayne?
The median time on market was 70 days for the 224 closings recorded between November 5, 2025 – October 27, 2026. Properties with realistic pricing typically move faster than the average: the median, not the mean, is used here because it is not distorted by outliers.
What is the price per square foot in Key Biscayne?
The median price per square foot was $968.32 over the last 12 months, based on 224 recorded closings. Price per square foot is the most reliable way to compare units of different sizes in the same market.
How do prices compare by number of bedrooms in Key Biscayne?
0-bedroom units: median $975,000 (4 closings); 1-bedroom units: median $521,250 (20 closings); 2-bedroom units: median $1,250,000 (86 closings); 3-bedroom units: median $2,500,000 (71 closings); 4-bedroom units: median $3,500,000 (19 closings); 5-bedroom units: median $4,810,312 (14 closings); 6-bedroom units: median $6,700,000 (7 closings); 7-bedroom units: median $10,850,000 (3 closings). Figures cover the last 12 months of closed MLS records for this market.
How many properties are available in Key Biscayne right now?
There are 179 properties listed in Key Biscayne today, with a median asking price of $2,400,000. At the current pace of sale closings, that inventory represents about 9.6 months of supply — a balanced-to-soft market that gives buyers room to negotiate.
How is this Key Biscayne market report calculated?
The figures are computed directly from closed transaction records in the MLS for Key Biscayne, covering the 12 months from November 5, 2025 – October 27, 2026 (224 closings). Median values are used instead of averages to avoid distortion by a few very high or very low transactions, and price per square foot is calculated only for units with a recorded living area. The report is descriptive: it summarises what was actually registered, and it is not an appraisal or a price opinion.
Sold Units (30 days)
199 Ocean Lane Drive #801
Average Price: $1,347/Sqft