Key Biscayne Real Estate
Most Popular
240 Galen Dr 302
$3,100
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: $4,917,200 / County Avg $1,284,400
383%
Avg Taxes in Key Biscayne: $35,300 / County Avg $18,600
190%
Avg Sq. Ft. in Key Biscayne: 2,405 / County Avg 2,338
103%
Avg Price per/sqft in Key Biscayne:$2045 / County Avg $549
372%
Avg Year Built in Key Biscayne: 1981 / County Avg 1987
100%
Avg Days on Website in Key Biscayne: 239 / County Avg 237
101%
Key Biscayne Real Estate Market Health
New Listings
Reductions
Foreclosures
Short Sales
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Data Last Updated: September 21, 2026 8:21 PM UTC
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