3D tour
$19,450,000
550 Harbor Drive, Key Biscayne 33149
Est. $137,348/mo with 20% down
Listing courtesy of Three Bridges Realty, LLC · BeachesMLS
Homes for sale in Key Biscayne, FL
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9 homes in Key Biscayne
Showing the part of Key Biscayne inside Zach's area.
Text Zach
$5,990,000
501 Bay Lane, Key Biscayne 33149
Est. $42,652/mo with 20% down
Listing courtesy of One Sotheby's International Realty · BeachesMLS
3D tour
$6,897,000
335 W Enid Drive, Key Biscayne 33149
Est. $49,033/mo with 20% down
Listing courtesy of BHHS EWM Realty · BeachesMLS
3D tour
$8,500,000
238 Buttonwood Drive, Key Biscayne 33149
Est. $60,311/mo with 20% down
Listing courtesy of Douglas Elliman · BeachesMLS
3D tour
$237,000,000
485 W Matheson Drive, Key Biscayne 33149
Price looks unusual – ask Zach
Listing courtesy of Coldwell Banker Realty · BeachesMLS
Price cut $120K3D tour
$3,730,000
524 Warren Lane, Key Biscayne 33149
Est. $26,753/mo with 20% down
Listing courtesy of Serhant · BeachesMLS
Price cut $351K3D tour
$4,899,000
24 Grand Bay Estates Circle, Key Biscayne 33149
Est. $36,486/mo with 20% down incl. HOA
Listing courtesy of Engel & Voelkers Vero Beach · BeachesMLS
3D tour
$6,900,000
110 Hampton Lane, Key Biscayne 33149
Est. $49,055/mo with 20% down
Listing courtesy of Fortune Christie's Intl R.E. · BeachesMLS
Price cut $650K3D tour
$7,950,000
545 Sabal Palm, Key Biscayne 33149
Est. $56,442/mo with 20% down
Listing courtesy of DLS International Realty · BeachesMLS
Listing data last updated Oct 31, 2026, 9:34 AM ET.