Key Biscayne houses for sale
As of , 36 houses for sale are listed in Key Biscayne. The median asking price is about $7,450,000, or $1,909 per sq ft.
Live MLS data from MIAMI MLS and BeachesMLS. Updated .
- Houses for sale
- 36
- Median asking price
- $7,450,000
- Median per sq ft
- $1,909
- On the water
- 27%
- $9,950,0006 bd · 5 full + 1 half ba · 4,341 sq ft360 Harbor LnColdwell Banker Realty
New - $7,599,0006 bd · 6 full + 2 half ba · 3,980 sq ft315 Cypress DrLifestyle International Realty
New - $4,500,0004 bd · 3 ba · 2,689 sq ft475 Woodcrest RdFlorida Realty of Miami Corp

- $5,600,0005 bd · 5 ba · 3,197 sq ft755 Curtiswood DrScale Commercial Realty

- $16,500,0006 bd · 6 full + 1 half ba · 7,103 sq ft131 Cape Florida DrVantage Real Estate LLC

- $3,300,0003 bd · 2 ba · 1,554 sq ft119 Harbor DrFortune Christie's International Real Estate

- $8,000,0006 bd · 5 full + 1 half ba · 1,044 sq ft544 Warren LnDuncan Studio Real Estate Division PLLC

- $5,990,0005 bd · 4 full + 1 half ba · 4,759 sq ft501 Bay LnOne Sotheby's International Realty

- $6,350,0004 bd · 3 ba · 2,761 sq ft571 S Mashta DrHR 19 Realty LLC

- $27,900,0008 bd · 8 full + 1 half ba · 9,159 sq ft241 Cape Florida DrCervera Real Estate Inc

- $5,785,0005 bd · 6 ba · 3,495 sq ft335 W Enid DrBHHS EWM Realty

- $19,900,0005 bd · 4 ba · 3,085 sq ft520 S Mashta DrColdwell Banker Realty

- $14,490,0004 bd · 4 full + 2 half ba · 6,661 sq ft161 Cape Florida DrOne Sotheby's International Realty

- $18,500,0004 bd · 4 full + 1 half ba · 2,255 sq ft631 N Mashta DrColdwell Banker

- $5,199,0006 bd · 4 full + 1 half ba · 3,356 sq ft650 Curtiswood DrOne Sotheby's International Realty

- $5,100,0005 bd · 4 full + 1 half ba · 3,535 sq ft797 Glenridge RdSwann Realty Partners, LLC

- $7,450,0007 bd · 7 full + 2 half ba · 4,565 sq ft425 Harbor DrOne Sotheby's International Realty

- $9,200,0005 bd · 5 full + 1 half ba · 4,416 sq ft625 Curtiswood DrOne Sotheby's International Realty

- $7,490,0005 bd · 5 full + 2 half ba · 3,768 sq ft571 Glenridge RdLuxe Living Realty

- $8,500,0006 bd · 6 full + 1 half ba · 4,190 sq ft238 Buttonwood DrDouglas Elliman

- $3,550,0004 bd · 3 ba · 2,177 sq ft255 Ridgewood RdCompass Florida, LLC

- $237,000,0005 bd · 7 full + 2 half ba · 11,528 sq ft485 W Matheson DrColdwell Banker Realty

- $19,450,0006 bd · 6 full + 1 half ba · 6,208 sq ft120 Knollwood DrCervera Real Estate Inc

- $5,378,0004 bd · 3 full + 1 half ba · 3,549 sq ft690 Warren LnOne Sotheby's International Realty

Listings from MIAMI MLS and BeachesMLS. The listing office is shown on every listing page. Information is deemed reliable but not guaranteed.
Houses for sale compared with all homes in Key Biscayne
| Houses for sale | All homes for sale | |
|---|---|---|
| Listings for sale | 36 | 149 |
| Share of homes for sale | 24% | 100% |
| Median asking price | $7,450,000 | $2,265,000 |
| Median per sq ft | $1,909 | $1,141 |
Questions about houses for sale
How much are houses for sale in Key Biscayne?
As of October 22, 2026, the median asking price is $7,450,000, or $1,909 per sq ft, across 36 listings for sale.
How many houses for sale in Key Biscayne are on the water?
As of October 22, 2026, 27% of the listings for sale in Key Biscayne say they are on the water.
Are pets allowed in Key Biscayne?
As of October 22, 2026, 89% of the 19 listings that state a pet policy say pets are allowed. Each building or community sets its own rules.
How long do houses for sale stay on the market in Key Biscayne?
As of October 22, 2026, the median listing for sale has been on the market for 146 days.
What do houses for sale in Key Biscayne cost by number of bedrooms?
As of October 22, 2026, asking prices are: 4 bedrooms: from $3,550,000 to $19,800,000; 5 bedrooms: most from $4,899,000 to $9,200,000; 6 bedrooms: most from $5,199,000 to $16,500,000.
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