Key Biscayne Real Estate Market Overview in August 2026
Sale Market Overview
Median Sale Price: The median sale price for all bedrooms houses and condos in Key Biscayne is $3,550,748 in August 2026, averaging $1,746 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 $2,458,269, averaging $1,234 per square foot.
Properties Available for Sale: There are 48 properties for sale in Key Biscayne, of which 3 are houses and 45 are condominium units listed for sale now.
Days in the Market: Key Biscayne properties are selling after an average of 69 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 $14,188 in August 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 $9,197 per month, averaging $5 per square foot.
Properties Available for Rent: There are 116 properties for rent right now in Key Biscayne, of which 26 are houses and 90 are condos.
Days in the Market: Key Biscayne properties are renting after an average of 65 days on the market.
Pros and Cons for Buying a Property in Key Biscaine in August 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.
Sold Units (30 days)
Unit
Beds / Baths
Liv Area SqFt
Sold Price
Price/SqFt
Close Date
201 Crandon Blvd #424
2 BR / 2.0 BA
1,531 SqFt
$1,300,000
$849/Sqft
08/06/2026
705 Crandon Blvd #506
2 BR / 2.0 BA
1,310 SqFt
$1,550,000
$1,183/Sqft
08/05/2026
101 Ocean Lane Dr #1013
2 BR / 2.0 BA
1,450 SqFt
$875,000
$603/Sqft
08/04/2026
255 Sunrise Dr #207
1 BR / 1.0 BA
676 SqFt
$480,000
$710/Sqft
08/03/2026
591 Mashta Dr
4 BR / 4.1 BA
4,290 SqFt
$14,000,000
$3,263/Sqft
08/03/2026
715 Crandon Blvd #PH-5
2 BR / 2.0 BA
1,310 SqFt
$1,550,000
$1,183/Sqft
08/03/2026
1121 Crandon Blvd #F1203
2 BR / 2.0 BA
1,597 SqFt
$1,500,000
$939/Sqft
08/02/2026
151 Crandon Blvd #702
2 BR / 2.0 BA
1,506 SqFt
$1,250,000
$830/Sqft
07/31/2026
155 Ocean Lane Dr #707
1 BR / 1.1 BA
895 SqFt
$635,000
$710/Sqft
07/30/2026
360 Ocean Dr #1106S
3 BR / 4.1 BA
2,257 SqFt
$7,000,000
$3,101/Sqft
07/29/2026
346 Gulf Road
5 BR / 6.0 BA
3,285 SqFt
$4,700,000
$1,431/Sqft
07/27/2026
455 Grand Bay Dr #718
0 BR / 1.0 BA
378 SqFt
$950,000
$2,513/Sqft
07/24/2026
100 Ocean Lane Dr #202
1 BR / 1.1 BA
870 SqFt
$512,500
$589/Sqft
07/24/2026
151 Crandon Blvd #127
1 BR / 1.1 BA
1,103 SqFt
$780,000
$707/Sqft
07/20/2026
791 Crandon Blvd #405
3 BR / 4.1 BA
3,084 SqFt
$3,950,000
$1,281/Sqft
07/17/2026
181 Crandon Blvd #106
2 BR / 2.0 BA
1,600 SqFt
$1,110,000
$694/Sqft
07/17/2026
141 Crandon Blvd #331
3 BR / 2.0 BA
1,790 SqFt
$1,330,000
$743/Sqft
07/16/2026
204 Westwood Dr
3 BR / 2.0 BA
2,113 SqFt
$3,010,000
$1,425/Sqft
07/15/2026
181 Crandon Blvd #405
2 BR / 2.0 BA
1,600 SqFt
$1,080,000
$675/Sqft
07/13/2026
199 Ocean Lane Dr #512
2 BR / 2.0 BA
1,260 SqFt
$1,040,000
$825/Sqft
07/13/2026
201 Crandon Blvd #143
2 BR / 2.0 BA
1,541 SqFt
$1,525,000
$990/Sqft
07/13/2026
575 Crandon Blvd #707
2 BR / 2.0 BA
1,311 SqFt
$789,000
$602/Sqft
07/13/2026
141 Crandon Blvd #237
3 BR / 2.0 BA
1,600 SqFt
$1,200,000
$750/Sqft
07/10/2026
300 Sunrise Dr #1B
1 BR / 1.0 BA
590 SqFt
$430,000
$729/Sqft
07/10/2026
Average Price: $729/Sqft
Rented Units (30 days)
Unit
Beds / Baths
Liv Area SqFt
Rented Price
Price/SqFt
Close Date
1121 Crandon Blvd #F804
1 BR / 2.0 BA
1,114 SqFt
$4,175
$4/Sqft
08/06/2026
199 Ocean Lane Dr #1006
2 BR / 2.0 BA
1,260 SqFt
$5,100
$4/Sqft
08/06/2026
199 Ocean Lane Dr #1210
4 BR / 4.0 BA
2,520 SqFt
$12,000
$5/Sqft
08/06/2026
251 Crandon Blvd #322
2 BR / 2.0 BA
1,546 SqFt
$7,200
$5/Sqft
08/03/2026
201 Crandon Blvd #833
2 BR / 2.0 BA
1,541 SqFt
$9,000
$6/Sqft
08/03/2026
250 Galen Dr #43
3 BR / 2.0 BA
1,170 SqFt
$5,000
$4/Sqft
08/03/2026
251 Crandon Blvd #141
2 BR / 2.0 BA
1,532 SqFt
$8,000
$5/Sqft
08/01/2026
161 Crandon Blvd #326
2 BR / 2.0 BA
1,600 SqFt
$6,600
$4/Sqft
07/31/2026
2 BR / 2.0 BA
1,058 SqFt
$4,450
$4/Sqft
07/31/2026
151 Crandon Blvd #128
2 BR / 2.0 BA
1,532 SqFt
$5,700
$4/Sqft
07/31/2026
199 Ocean Lane Dr #602
1 BR / 1.1 BA
895 SqFt
$5,500
$6/Sqft
07/31/2026
789 Crandon Blvd #1001
3 BR / 4.1 BA
2,780 SqFt
$23,000
$8/Sqft
07/31/2026
791 Crandon Blvd #1005
4 BR / 4.1 BA
3,084 SqFt
$21,000
$7/Sqft
07/31/2026
791 Crandon Blvd #1501
3 BR / 2.1 BA
2,174 SqFt
$20,000
$9/Sqft
07/31/2026
201 Crandon Blvd #176
4 BR / 4.1 BA
3,075 SqFt
$23,500
$8/Sqft
07/31/2026
713 Crandon Blvd #404
2 BR / 2.0 BA
1,450 SqFt
$10,000
$7/Sqft
07/29/2026
711 Crandon Blvd #402
3 BR / 3.0 BA
1,830 SqFt
$10,000
$5/Sqft
07/24/2026
290 Sunrise Dr #1-H
2 BR / 2.0 BA
980 SqFt
$3,750
$4/Sqft
07/24/2026
2 BR / 2.0 BA
1,488 SqFt
$6,500
$4/Sqft
07/23/2026
151 Crandon Blvd #441
2 BR / 2.0 BA
1,532 SqFt
$6,350
$4/Sqft
07/22/2026
201 Crandon Blvd #928
2 BR / 2.0 BA
1,541 SqFt
$6,000
$4/Sqft
07/22/2026
151 Crandon Blvd #1036
2 BR / 2.0 BA
1,532 SqFt
$6,500
$4/Sqft
07/22/2026
785 Crandon Blvd #106
2 BR / 2.0 BA
1,330 SqFt
$7,900
$6/Sqft
07/20/2026
155 Ocean Lane Dr #600
3 BR / 3.0 BA
1,930 SqFt
$10,000
$5/Sqft
07/20/2026
201 Crandon Blvd #343
2 BR / 2.0 BA
1,541 SqFt
$7,400
$5/Sqft
07/20/2026
1121 Crandon Blvd #F907
3 BR / 2.0 BA
1,782 SqFt
$9,600
$5/Sqft
07/18/2026
3 Turtle Walk
5 BR / 6.0 BA
3,990 SqFt
$28,000
$7/Sqft
07/17/2026
1121 Crandon Blvd #F601
3 BR / 2.0 BA
1,782 SqFt
$6,500
$4/Sqft
07/17/2026
1121 Crandon Blvd #E107
3 BR / 2.0 BA
1,782 SqFt
$7,600
$4/Sqft
07/16/2026
555 Crandon Blvd #43
2 BR / 2.0 BA
1,040 SqFt
$3,800
$4/Sqft
07/15/2026
6 BR / 5.1 BA
3,206 SqFt
$25,000
$8/Sqft
07/15/2026
200 Galen Dr #110
2 BR / 2.0 BA
925 SqFt
$3,300
$4/Sqft
07/14/2026
430 Grand Bay Dr #904
4 BR / 6.0 BA
3,680 SqFt
$18,000
$5/Sqft
07/13/2026
251 Crandon Blvd #1228
2 BR / 2.0 BA
1,532 SqFt
$8,000
$5/Sqft
07/13/2026
Average Price: $5/Sqft
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