Key Biscayne Real Estate
Most Popular
1121 Crandon Blvd D301
$9,500
Most Expensive
485 W Matheson Dr
$237,000,000
Least Expensive
100 Sunrise Dr 25
$1400
Key Biscayne Listings Summary
Key Biscayne - Town vs. County Stats
Avg Price in Key Biscayne: $4,470,000 / County Avg $1,225,800
365%
Avg Taxes in Key Biscayne: $35,600 / County Avg $18,700
190%
Avg Sq. Ft. in Key Biscayne: 2,424 / County Avg 2,572
94%
Avg Price per/sqft in Key Biscayne:$1844 / County Avg $477
387%
Avg Year Built in Key Biscayne: 1981 / County Avg 1987
100%
Avg Days on Website in Key Biscayne: 247 / County Avg 234
106%
Key Biscayne Real Estate Market Health
New Listings
Reductions
Foreclosures
Short Sales
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Data Last Updated: September 9, 2026 8:11 PM UTC
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