Key Biscayne Average Condo Prices in December 2025
104 Condos for Sale
AVERAGE LIST PRICE
$2,380,445
$1,287/SqFt
148 Sold Condos
AVERAGE SOLD PRICE
$1,780,410
$1,038/SqFt
96 day average on market
(last 12 mo)
134 Condos for Rent
AVERAGE LIST PRICE
$9,875
$6/SqFt
315 Rented Condos
AVERAGE SOLD PRICE
$8,444
$5/SqFt
72 day average on market
(last 12 mo)
Key Biscayne Real Estate Market Overview in December 2025
Sale Market Overview
Median Sale Price: The median sale price for all bedrooms houses and condos in Key Biscayne is $4,867,002 in December 2025, averaging $1,849 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 $2,651,086, averaging $1,280 per square foot.
Properties Available for Sale: There are 154 properties for sale in Key Biscayne, of which 50 are houses and 104 are condominium units listed for sale now.
Days in the Market: Key Biscayne properties are selling after an average of 98 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 $15,245 in December 2025, 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 $9,254 per month, averaging $5 per square foot.
Properties Available for Rent: There are 168 properties for rent right now in Key Biscayne, of which 34 are houses and 134 are condos.
Days in the Market: Key Biscayne properties are renting after an average of 72 days on the market.
Pros and Cons for Buying a Property in Key Biscaine in December 2025
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.
Sold Units (30 days)
Unit
Beds / Baths
Liv Area SqFt
Sold Price
Price/SqFt
Close Date
101 Ocean Lane Dr #108
2 BR / 2.0 BA
1,450 SqFt
$880,000
$607/Sqft
12/15/2025
201 Crandon Blvd #333
3 BR / 2.0 BA
1,541 SqFt
$1,200,000
$779/Sqft
12/15/2025
199 Ocean Lane Dr #611
2 BR / 2.0 BA
1,260 SqFt
$1,020,000
$810/Sqft
12/15/2025
240 Galen Dr #308
3 BR / 2.0 BA
1,100 SqFt
$680,000
$618/Sqft
12/12/2025
261 Greenwood Dr
5 BR / 5.1 BA
3,525 SqFt
$6,275,000
$1,780/Sqft
12/11/2025
785 Crandon Blvd #1106
3 BR / 5.0 BA
2,790 SqFt
$5,125,000
$1,837/Sqft
12/10/2025
791 Crandon Blvd #1506
3 BR / 4.1 BA
3,084 SqFt
$4,975,000
$1,613/Sqft
12/10/2025
150 Ocean Lane Dr #7F
2 BR / 2.0 BA
1,335 SqFt
$780,000
$584/Sqft
12/10/2025
100 Hampton Ln
5 BR / 5.1 BA
3,584 SqFt
$6,200,000
$1,730/Sqft
12/04/2025
450 Grapetree Dr #313
2 BR / 2.1 BA
1,404 SqFt
$1,116,000
$795/Sqft
12/04/2025
200 Sunrise Dr #200A
4 BR / 4.0 BA
1,750 SqFt
$2,000,000
$1,143/Sqft
12/03/2025
201 Buttonwood Dr
5 BR / 5.2 BA
3,791 SqFt
$5,265,000
$1,389/Sqft
12/03/2025
791 Crandon Blvd #1404
3 BR / 3.0 BA
2,510 SqFt
$4,500,000
$1,793/Sqft
12/01/2025
Average Price: $1,793/Sqft
Rented Units (30 days)
Unit
Beds / Baths
Liv Area SqFt
Rented Price
Price/SqFt
Close Date
155 Ocean Lane Dr #1004
2 BR / 2.0 BA
1,260 SqFt
$5,900
$5/Sqft
12/17/2025
251 Crandon Blvd #327
3 BR / 2.1 BA
1,546 SqFt
$12,000
$8/Sqft
12/16/2025
199 Ocean Lane Dr #1206
2 BR / 2.0 BA
1,260 SqFt
$6,100
$5/Sqft
12/16/2025
1 BR / 1.1 BA
854 SqFt
$2,300
$3/Sqft
12/15/2025
1121 Crandon Blvd #D304
2 BR / 2.0 BA
1,409 SqFt
$6,125
$4/Sqft
12/12/2025
251 Crandon Blvd #306
2 BR / 2.0 BA
1,546 SqFt
$10,000
$6/Sqft
12/11/2025
1121 Crandon Blvd #D703
2 BR / 2.0 BA
1,409 SqFt
$5,800
$4/Sqft
12/08/2025
55 Ocean Lane Dr #2028
2 BR / 2.0 BA
1,450 SqFt
$4,300
$3/Sqft
12/05/2025
177 Ocean Lane #1007
2 BR / 2.0 BA
N/A SqFt
$7,100
$-/Sqft
12/05/2025
707 Crandon Blvd #408
2 BR / 2.0 BA
1,450 SqFt
$8,000
$6/Sqft
12/04/2025
1121 Crandon Blvd #D301
2 BR / 2.0 BA
1,782 SqFt
$9,500
$5/Sqft
12/04/2025
781 Crandon Blvd #1604
3 BR / 4.1 BA
N/A SqFt
$15,000
$-/Sqft
12/02/2025
155 Ocean Lane Dr #703
1 BR / 1.1 BA
895 SqFt
$4,500
$5/Sqft
12/01/2025
251 Crandon Blvd #609
3 BR / 2.0 BA
1,612 SqFt
$9,850
$6/Sqft
12/01/2025
360 Ocean Dr #606S
3 BR / 4.1 BA
2,257 SqFt
$29,800
$13/Sqft
12/01/2025
550 Ocean Dr #6F
2 BR / 2.0 BA
1,325 SqFt
$3,950
$3/Sqft
12/01/2025
350 Ocean Dr #901N
5 BR / 6.1 BA
4,080 SqFt
$50,000
$12/Sqft
12/01/2025
2 BR / 2.0 BA
1,460 SqFt
$4,800
$3/Sqft
12/01/2025
170 Ocean Lane Dr #405
2 BR / 2.0 BA
1,435 SqFt
$4,300
$3/Sqft
12/01/2025
251 Crandon Blvd #408
2 BR / 2.0 BA
1,532 SqFt
$8,000
$5/Sqft
12/01/2025
177 Ocean Lane Dr #611
2 BR / 2.0 BA
1,260 SqFt
$5,000
$4/Sqft
11/29/2025
325 Gulf Rd
4 BR / 4.0 BA
3,221 SqFt
$25,000
$8/Sqft
11/26/2025
2 BR / 3.1 BA
1,819 SqFt
$15,000
$8/Sqft
11/20/2025
600 Grapetree Dr #9CN
3 BR / 3.0 BA
2,366 SqFt
$11,000
$5/Sqft
11/20/2025
Average Price: $5/Sqft
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