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: $4,734,500 / County Avg $1,254,600
377%
Avg Taxes in Key Biscayne: $36,600 / County Avg $18,700
196%
Avg Sq. Ft. in Key Biscayne: 2,454 / County Avg 2,512
98%
Avg Price per/sqft in Key Biscayne:$1929 / County Avg $499
386%
Avg Year Built in Key Biscayne: 1981 / County Avg 1987
100%
Avg Days on Website in Key Biscayne: 243 / County Avg 236
103%
Key Biscayne Real Estate Market Health
New Listings
Reductions
Foreclosures
Short Sales
Copyright Southeast Florida Multiple Listing Service © 2026. Accuracy of listing information is not guaranteed. Listing information is provided for personal consumer, non-commercial use, solely to identify potential properties for potential purchase. All other use is strictly prohibited, is a violation of the terms of use, and may violate federal and state law.
Data Last Updated: September 12, 2026 12:27 PM UTC
Information is deemed to be reliable, but is not guaranteed. © 2026 MLS and FBS. Prepared by Florida Keys MLS, Inc. on September 12, 2026 12:19 PM UTC The information on this sheet has been made available by the MLS and may not be the listing of the provider. The data relating to real estate for sale on this web site comes in part from the Florida Keys MLS, Inc. Information provided is deemed reliable but not guaranteed. All properties are subject to prior sale, change or withdrawal. The information
All information deemed reliable but not guaranteed. All properties are subject to prior sale, change or withdrawal. Neither listing broker(s) or information provider(s) shall be responsible for any typographical errors, misinformation, misprints and shall be held totally harmless. Listing(s) information is provided for consumer's personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. The data relating
