Key Biscayne Real Estate Market Overview in October 2025
Sale Market Overview
Median Sale Price: The median sale price for all bedrooms houses and condos in Key Biscayne is $4,677,895 in October 2025, averaging $1,943 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 $2,475,250, averaging $1,258 per square foot.
Properties Available for Sale: There are 156 properties for sale in Key Biscayne, of which 48 are houses and 108 are condominium units listed for sale now.
Days in the Market: Key Biscayne properties are selling after an average of 93 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 $14,781 in October 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 $9,043 per month, averaging $5 per square foot.
Properties Available for Rent: There are 170 properties for rent right now in Key Biscayne, of which 30 are houses and 140 are condos.
Days in the Market: Key Biscayne properties are renting after an average of 82 days on the market.
Pros and Cons for Buying a Property in Key Biscaine in October 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
320 Woodcrest Rd
6 BR / 6.0 BA
3,737 SqFt
$5,220,000
$1,397/Sqft
10/01/2025
201 Crandon Blvd #633
2 BR / 2.0 BA
1,541 SqFt
$1,210,000
$785/Sqft
09/29/2025
2 BR / 2.0 BA
N/A SqFt
$1,272,000
$-/Sqft
09/26/2025
607 Ocean Dr #10J
2 BR / 2.0 BA
1,611 SqFt
$1,750,000
$1,086/Sqft
09/19/2025
361 Heather Dr
4 BR / 3.0 BA
1,570 SqFt
$2,600,000
$1,656/Sqft
09/19/2025
713 Crandon Blvd #PH-3
2 BR / 2.0 BA
1,450 SqFt
$1,875,000
$1,293/Sqft
09/16/2025
445 Grand Bay Dr #601
3 BR / 2.1 BA
2,570 SqFt
$2,662,500
$1,036/Sqft
09/12/2025
92 Mashta Dr
4 BR / 3.0 BA
2,403 SqFt
$3,230,000
$1,344/Sqft
09/12/2025
100 Sunrise Dr #6
1 BR / 1.0 BA
530 SqFt
$455,000
$858/Sqft
09/11/2025
330 Pacific Rd
3 BR / 3.1 BA
2,522 SqFt
$3,950,000
$1,566/Sqft
09/10/2025
Average Price: $1,566/Sqft
Rented Units (30 days)
Unit
Beds / Baths
Liv Area SqFt
Rented Price
Price/SqFt
Close Date
791 Crandon Blvd #704
3 BR / 3.0 BA
2,510 SqFt
$20,000
$8/Sqft
10/07/2025
1121 Crandon Blvd #E1006
2 BR / 2.0 BA
1,409 SqFt
$6,200
$4/Sqft
10/06/2025
613 Ocean Dr #8D
2 BR / 2.0 BA
1,496 SqFt
$7,250
$5/Sqft
10/01/2025
1121 Crandon Blvd #E802
3 BR / 2.0 BA
1,782 SqFt
$6,750
$4/Sqft
10/01/2025
251 Crandon Blvd #227
2 BR / 2.0 BA
1,546 SqFt
$8,500
$6/Sqft
10/01/2025
735 Fernwood Rd
5 BR / 6.1 BA
3,742 SqFt
$25,000
$7/Sqft
09/30/2025
798 Crandon Bl #14-C
2 BR / 1.1 BA
875 SqFt
$3,200
$4/Sqft
09/29/2025
201 Crandon Blvd #336
1 BR / 1.1 BA
1,134 SqFt
$4,750
$4/Sqft
09/29/2025
101 Sunrise Dr #A-201
3 BR / 3.0 BA
2,387 SqFt
$11,500
$5/Sqft
09/25/2025
161 Crandon Blvd #426
2 BR / 2.0 BA
1,600 SqFt
$5,500
$3/Sqft
09/22/2025
255 Sunrise Dr #203
1 BR / 1.0 BA
608 SqFt
$2,400
$4/Sqft
09/20/2025
201 Crandon Blvd #929
2 BR / 2.0 BA
1,541 SqFt
$7,900
$5/Sqft
09/19/2025
181 Crandon Blvd #207
3 BR / 2.1 BA
1,720 SqFt
$6,500
$4/Sqft
09/19/2025
201 Crandon Blvd #207
2 BR / 2.0 BA
1,541 SqFt
$5,250
$3/Sqft
09/18/2025
881 Ocean Dr #16F
2 BR / 2.0 BA
1,875 SqFt
$7,000
$4/Sqft
09/15/2025
703 Crandon Blvd #403
2 BR / 2.0 BA
1,450 SqFt
$7,500
$5/Sqft
09/15/2025
251 Galen Dr #101E
2 BR / 2.0 BA
1,109 SqFt
$3,200
$3/Sqft
09/15/2025
150 Ocean Lane Dr #3H
2 BR / 2.0 BA
1,335 SqFt
$4,700
$4/Sqft
09/15/2025
177 Ocean Lane Dr #915
2 BR / 2.0 BA
1,469 SqFt
$5,850
$4/Sqft
09/15/2025
350 Ocean Dr #904N
2 BR / 3.1 BA
1,703 SqFt
$215,000
$126/Sqft
09/15/2025
350 Ocean Dr #506N
3 BR / 4.1 BA
2,257 SqFt
$21,875
$10/Sqft
09/15/2025
240 Galen Dr #109
3 BR / 2.0 BA
1,100 SqFt
$4,359
$4/Sqft
09/11/2025
607 Ocean Dr #8K
2 BR / 2.0 BA
1,496 SqFt
$7,600
$5/Sqft
09/10/2025
881 Ocean Dr #18F
2 BR / 2.0 BA
1,875 SqFt
$9,500
$5/Sqft
09/10/2025
Average Price: $5/Sqft
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