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Review official public-safety information for any area from these government sources:

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Before you start looking
The buying timeline

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Commercial

69 listings

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Condos in Key Biscayne, FL

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24 of 69 Listings

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24 of 69 Listings

10Active

Condos in Key Biscayne, FL — Page 2

69 listings

Condos in Key Biscayne, FL

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24 of 69 Listings

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Condos in Key Biscayne, FL

24 of 69 Listings

Your Key Biscayne agent

Jonathan Alfonso

Portal Real Estate

Lic. #3306632

Call Jonathan

10Active

Your Key Biscayne agent

Jonathan Alfonso

Portal Real Estate

Lic. #3306632

Call Jonathan

$975,000

0 bd · 1 ba · 376 sqft

455 Grand Bay Dr 1020, Key Biscayne, FL

Lourdes Lorenzo-Luaces · Arch Realty Inc

59Active

$770,000

2 bd · 2 ba · 1,105 sqft

77 Crandon Blvd 5C, Key Biscayne, FL

Grehyni Narvaez · Avanti Way Realty LLC

21Active

$1,360,000

3 bd · 2 ba · 1,847 sqft

Address withheld · Key Biscayne, FL

Silvestre Hernandez · Holy Keys Realty Group LLC

Your Key Biscayne agent

Jonathan Alfonso

Portal Real Estate

Lic. #3306632

Call Jonathan

18Active

$459,000

1 bd · 1 ba · 608 sqft

255 Sunrise Dr 107, Key Biscayne, FL

Devin Herrera · BHHS EWM Realty

40Active

$2,400,000

2 bd · 2 ba · 1,875 sqft

881 Ocean Dr 16F, Key Biscayne, FL

Dolores Urdapilleta · Urdapilleta Real Estate, LLC

23Active

$1,495,000

2 bd · 2 ba · 1,790 sqft

101 Crandon Blvd 265, Key Biscayne, FL

Estefania Sundblad · Related General Realty, LLC.

100Active

$2,300,000

3 bd · 3 ba · 2,523 sqft

600 Grapetree Dr 6Bs, Key Biscayne, FL

Dolores Urdapilleta · Urdapilleta Real Estate, LLC

40Active

$2,100,000

3 bd · 4 ba · 2,450 sqft

575 Crandon Blvd 801, Key Biscayne, FL

Marisela Gonzalez Servat · Avanti Way Realty LLC

16Active

$844,000

2 bd · 2 ba · 1,330 sqft

210 Sea View Dr Unit 409, Key Biscayne, FL

Andrea Gomez · One Sotheby's International Realty

Price Reduced51Active

$1,249,000

2 bd · 2 ba · 1,260 sqft

199 Ocean Lane Dr Unit 1207, Key Biscayne, FL

Nora Gonzalez · Douglas Elliman

61Active

$2,850,000

3 bd · 2 ba · 1,889 sqft

600 Grapetree Dr 11Dn, Key Biscayne, FL

Dolores Urdapilleta · Urdapilleta Real Estate, LLC

35Active

$1,599,900

2 bd · 2 ba · 1,531 sqft

201 Crandon Blvd 530, Key Biscayne, FL

Carmen B Llano White PA · BHHS EWM Realty

54Active

$3,595,000

3 bd · 3 ba · 3,120 sqft

881 Ocean Dr Unit 7H, Key Biscayne, FL

Carlos Martinez · Elite Ocean View Realty LLC

Price Reduced14Active

$480,000

1 bd · 2 ba · 854 sqft

251 Galen Dr Unit 302, Key Biscayne, FL

Silvio De Cardenas III · Brickell Bay Club Realty, Inc.

19Active

$850,000

2 bd · 2 ba · 1,311 sqft

575 Crandon Blvd 706, Key Biscayne, FL

Monica Steinmuller · Coldwell Banker Realty

39Active

$2,950,000

3 bd · 2 ba · 1,782 sqft

1111 Crandon Blvd a501, Key Biscayne, FL

Sandra Pava · The Keyes Company

Price Reduced38Active

$1,890,000

3 bd · 3 ba · 1,820 sqft

181 Crandon Blvd 301, Key Biscayne, FL

Natalia Salgado · DLS International Realty

Price Reduced47Active

$1,525,000

2 bd · 2 ba · 1,409 sqft

1111 Crandon Blvd Unit B705, Key Biscayne, FL

Istvan Sagi · Beachfront Realty Inc

Price Reduced22Active

$1,199,000

2 bd · 2 ba · 1,260 sqft

177 Ocean Lane Dr Unit 213, Key Biscayne, FL

Maria Alejandra Gonzalez · Novel Management, LLC.

39Active

$2,800,000

2 bd · 2 ba · 1,950 sqft

201 Crandon Blvd 643, Key Biscayne, FL

Robert Gasso · BHHS EWM Realty

22Active

$835,000

2 bd · 2 ba · 1,335 sqft

150 Ocean Lane Dr 7C, Key Biscayne, FL

Maximiliano Grigio · Fortune Christie's International Real Estate

19Active

$790,000

1 bd · 2 ba · 895 sqft

155 Ocean Lane Dr 403, Key Biscayne, FL

Dolores Urdapilleta · Urdapilleta Real Estate, LLC

Price Reduced12Active

$445,000

1 bd · 2 ba · 725 sqft

240 Galen Dr 214, Key Biscayne, FL

Thania Vernon · Fortune Christie's International Real Estate

Price Reduced25Active

$1,059,000

2 bd · 2 ba · 1,260 sqft

199 Ocean Lane Dr 911, Key Biscayne, FL

Melissa Llaury · One Sotheby's International Realty

1 2 3

Listing data & MLS disclosures

MIAMI REALTORS MLS: The multiple listing information is provided by MIAMI Association of Realtors® from a copyrighted compilation of listings. The compilation of listings and each individual listingare ©2026 MIAMI Association of Realtors®. All Rights Reserved.
The information provided is for consumers’ personal, noncommercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. All properties are subject to prior sale or withdrawal. All information provided is deemed reliable but is not guaranteed accurate, and should be independently verified. Last Updated: 2026-10-31 06:02:22 UTC

Key Biscayne housing market

September 2026 · This period is still settling

Selling at 94.7% of asking price

Buyers here are paying below asking. MLS · 16 sales · as of Sep 30, 2026

Homes on the market · MLS, as of Sep 27, 2026

Median list price: $2,600,000
Homes for sale: 139

Housing stock — every home in the area, not only the ones selling or listed · Assessor records, as of Sep 11, 2026

Median home size: 1,838 sq. ft.

Key Biscayne, FL community profile

Population: 15,327
Median income: $154,457
Housing units: 7,079
People per sq. mi.: 982.5
Area: 15.6 sq. mi.

Source: HJN community data

Explore Key Biscayne homes

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Homes Under $900K
Homes Under $1M
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Homes Under $2.5M
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L. Custen Realty, Inc. d/b/a Realty.com/L. Custen Realty CT, LLC d/b/a Realty.com (Tom O’Leary-Broker)(CT properties only), 8323 Southwest Freeway, Suite 900, Houston, Texas 77074

The information provided by this website is for the personal, non-commercial use of consumers and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Listing data is derived from various Multiple Listing Services; each source MLS and its required disclaimer are shown with the listings on the applicable page. Realty.com is an independently owned and operated brokerage.

Your Key Biscayne agent

Jonathan Alfonso

Portal Real Estate

Lic. #3306632

Call Jonathan

Listing data & MLS disclosures

MIAMI REALTORS MLS: The multiple listing information is provided by MIAMI Association of Realtors® from a copyrighted compilation of listings. The compilation of listings and each individual listingare ©2026 MIAMI Association of Realtors®. All Rights Reserved.
The information provided is for consumers’ personal, noncommercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. All properties are subject to prior sale or withdrawal. All information provided is deemed reliable but is not guaranteed accurate, and should be independently verified. Last Updated: 2026-10-31 06:02:22 UTC

Key Biscayne housing market

September 2026 · This period is still settling

Selling at 94.7% of asking price

Buyers here are paying below asking. MLS · 16 sales · as of Sep 30, 2026

Homes on the market · MLS, as of Sep 27, 2026

Median list price: $2,600,000
Homes for sale: 139

Housing stock — every home in the area, not only the ones selling or listed · Assessor records, as of Sep 11, 2026

Median home size: 1,838 sq. ft.

Key Biscayne, FL community profile

Population: 15,327
Median income: $154,457
Housing units: 7,079
People per sq. mi.: 982.5
Area: 15.6 sq. mi.

Source: HJN community data