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Key Biscayne, FL
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433 Properties Available

433 Properties Available

The average price in the selected areas has remained stable. Learn more
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485 W Matheson Dr, Key Biscayne, FL 33149
1/82
Active

$237,000,000

5 Beds9 Baths11,528 SqFt

485 W Matheson Dr, Key Biscayne, FL 33149

Listed by Coldwell Banker Realty

Miami Association of Realtors (SEFMIAMI MLS)
241 Cape Florida Dr, Key Biscayne, FL 33149
1/100
Active

$29,900,000

8 Beds9 Baths9,159 SqFt

241 Cape Florida Dr, Key Biscayne, FL 33149

Listed by Cervera Real Estate Inc.

Miami Association of Realtors (SEFMIAMI MLS)
260 Cape Florida Dr, Key Biscayne, FL 33149
1/25
Active

$29,500,000

9 Beds10 Baths10,964 SqFt

260 Cape Florida Dr, Key Biscayne, FL 33149

Listed by One Sotheby's International Realty

Miami Association of Realtors (SEFMIAMI MLS)
430 Grand Bay Dr #PH-1AN, Key Biscayne, FL 33149
1/48
Active

$26,000,000

4 Beds6 Baths9,600 SqFt

430 Grand Bay Dr #PH-1AN, Key Biscayne, FL 33149

Listed by The Corcoran Group

Miami Association of Realtors (SEFMIAMI MLS)
5 Harbor Pt, Key Biscayne, FL 33149
1/96
Pending

$26,000,000

3 Beds6 Baths10,926 SqFt

5 Harbor Pt, Key Biscayne, FL 33149

Listed by BHHS EWM Realty

Miami Association of Realtors (SEFMIAMI MLS)
200 Harbor Dr, Key Biscayne, FL 33149
1/24
Active

$25,900,000

4 Beds4 Baths2,566 SqFt

200 Harbor Dr, Key Biscayne, FL 33149

Listed by Coldwell Banker Realty

Miami Association of Realtors (SEFMIAMI MLS)
230 Harbor Drive, Key Biscayne, FL 33149
1/57
Active Under Contract

$21,800,000

7 Beds8 Baths6,240 SqFt

230 Harbor Drive, Key Biscayne, FL 33149

Listed by One Sotheby's International Realty

Miami Association of Realtors (SEFMIAMI MLS)
550 Harbor Dr, Key Biscayne, FL 33149
1/66
Price Dropped by $1.5M

$20,450,000

7 Beds8 Baths6,497 SqFt

550 Harbor Dr, Key Biscayne, FL 33149

Listed by Three Bridges Realty, LLC

Miami Association of Realtors (SEFMIAMI MLS)
960 Mariner Dr, Key Biscayne, FL 33149
1/83
Active

$20,300,000

6 Beds10 Baths7,742 SqFt

960 Mariner Dr, Key Biscayne, FL 33149

Listed by The Corcoran Group

Miami Association of Realtors (SEFMIAMI MLS)
120 Knollwood Dr, Key Biscayne, FL 33149
1/45
Active

$19,950,000

6 Beds7 Baths6,208 SqFt

120 Knollwood Dr, Key Biscayne, FL 33149

Listed by Cervera Real Estate Inc.

Miami Association of Realtors (SEFMIAMI MLS)
100 Cape Florida Dr, Key Biscayne, FL 33149
1/68
Active

$19,800,000

4 Beds9 Baths8,240 SqFt

100 Cape Florida Dr, Key Biscayne, FL 33149

Listed by One Sotheby's International Realty

Miami Association of Realtors (SEFMIAMI MLS)
445 Grand Bay Drive #PH-1A, Key Biscayne, FL 33149
1/52
Active

$18,900,000

5 Beds6 Baths8,435 SqFt

445 Grand Bay Drive #PH-1A, Key Biscayne, FL 33149

Listed by One Sotheby's International Realty

Miami Association of Realtors (SEFMIAMI MLS)
640 S Mashta Dr, Key Biscayne, FL 33149
1/38
Active

$16,800,000

4 Beds4 Baths3,620 SqFt

640 S Mashta Dr, Key Biscayne, FL 33149

Listed by DLS International Realty

Miami Association of Realtors (SEFMIAMI MLS)
591 N Mashta Dr, Key Biscayne, FL 33149
1/43
Price Dropped by $1.4M

$15,500,000

4 Beds5 Baths4,290 SqFt

591 N Mashta Dr, Key Biscayne, FL 33149

Listed by EXP Realty LLC

Miami Association of Realtors (SEFMIAMI MLS)
121 Knollwood Drive, Key Biscayne, FL 33149
1/53
Price Dropped by $600K

$13,250,000

5 Beds5 Baths4,924 SqFt

121 Knollwood Drive, Key Biscayne, FL 33149

Listed by One Sotheby's International Realty

Miami Association of Realtors (SEFMIAMI MLS)
420 Island Dr, Key Biscayne, FL 33149
1/98
Price Dropped by $1.0M

$12,980,000

6 Beds8 Baths6,405 SqFt

420 Island Dr, Key Biscayne, FL 33149

Listed by BHHS EWM Realty

Miami Association of Realtors (SEFMIAMI MLS)
350 Ocean Dr #701N, Key Biscayne, FL 33149
1/52
Active

$11,995,000

4 Beds6 Baths3,787 SqFt

350 Ocean Dr #701N, Key Biscayne, FL 33149

Listed by One Sotheby's International Realty

Miami Association of Realtors (SEFMIAMI MLS)
365 Gulf Rd, Key Biscayne, FL 33149
1/29
Price Dropped by $910K

$11,990,000

6 Beds7 Baths5,960 SqFt

365 Gulf Rd, Key Biscayne, FL 33149

Listed by One Sotheby's International Realty

Miami Association of Realtors (SEFMIAMI MLS)
221 Knollwood Dr, Key Biscayne, FL 33149
1/32
Price Dropped by $200K

$11,600,000

5 Beds5 Baths3,509 SqFt

221 Knollwood Dr, Key Biscayne, FL 33149

Listed by Compass Florida, LLC

Miami Association of Realtors (SEFMIAMI MLS)
110 Reef Ln, Key Biscayne, FL 33149
1/78
Active Under Contract

$11,500,000

5 Beds6 Baths5,074 SqFt

110 Reef Ln, Key Biscayne, FL 33149

Listed by BHHS EWM Realty

Miami Association of Realtors (SEFMIAMI MLS)
111 Reef Ln, Key Biscayne, FL 33149
1/26
Active

$11,500,000

7 Beds6 Baths5,008 SqFt

111 Reef Ln, Key Biscayne, FL 33149

Listed by Compass Florida, LLC

Miami Association of Realtors (SEFMIAMI MLS)
610 Harbor Cir, Key Biscayne, FL 33149
1/71
Active

$11,300,000

6 Beds8 Baths5,216 SqFt

610 Harbor Cir, Key Biscayne, FL 33149

Listed by Avanti Way Realty LLC

Miami Association of Realtors (SEFMIAMI MLS)
105 Reef Ln, Key Biscayne, FL 33149
1/17
Coming Soon

$10,500,000

7 Beds6 Baths5,000 SqFt

105 Reef Ln, Key Biscayne, FL 33149

Listed by NestWise Real Estate LLC

Miami Association of Realtors (SEFMIAMI MLS)
791 Crandon Blvd #1408, Key Biscayne, FL 33149
1/56
Pending

$10,000,000

4 Beds6 Baths5,207 SqFt

791 Crandon Blvd #1408, Key Biscayne, FL 33149

Listed by One Sotheby's International Realty

Miami Association of Realtors (SEFMIAMI MLS)
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Engel & Völkers

Enrique V Urdaneta License ID: 3308209

+1(561) 245-0634 enrique.urdaneta@engelvoelkers.com

515 N Flagler Dr, West Palm Beach, FL 33401

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Engel & Völkers

Enrique V Urdaneta License ID: 3308209

+1(561) 245-0634 enrique.urdaneta@engelvoelkers.com

515 N Flagler Dr, West Palm Beach, FL 33401

    • Home
      About
      1. About Us
      2. Contact Us
      3. Reviews
    • Buy
      1. All Listings
      2. Featured Listings
      3. Sold Listings
      Market Snapshot
    • Sell
      1. Sell My Home
      2. Home Valuation

Get My App

Download for iOS
iOS
Download for Android
Android

Powered by Lofty Inc. Copyright 2026. All Rights Reserved.

Terms of Service & Privacy Policy | Cookie Policy | Cookie Preferences | Property Listings | Sitemap | Accessibility

IDX information is provided exclusively for consumers’ personal, non-commercial use and that it may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Information deemed reliable but not guaranteed to be accurate. Listing information updated daily.