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145 listings

Homes for Sale in Key Biscayne, FL

Show Map

24 of 145 Listings

Map

24 of 145 Listings

Your Key Biscayne agent

Jonathan Alfonso

Portal Real Estate

Lic. #3306632

Call Jonathan

39Active

$5,478,000

4 bd · 4 ba · 3,549 sqft

690 Warren Ln, Key Biscayne, FL

Brigitte Nachtigall · One Sotheby's International Realty

50Active

$3,340,000

3 bd · 3 ba · 2,510 sqft

791 Crandon Blvd 302, Key Biscayne, FL

Elena Chacon · BHHS EWM Realty

60Active

$1,950,000

2 bd · 2 ba · 1,700 sqft

719 Crandon Blvd 310, Key Biscayne, FL

Victor Florencio Sanchez · Ocean Club Realty, Inc.

Price Reduced17Active

$875,000

1 bd · 2 ba · 1,089 sqft

201 Crandon Blvd 932, Key Biscayne, FL

Robert Gasso · BHHS EWM Realty

46Active

$6,950,000

5 bd · 6 ba · 5,421 sqft

685 Harbor Ln, Key Biscayne, FL

Marisela Gonzalez Servat · Avanti Way Realty LLC

Price Reduced29Active

$765,000

2 bd · 2 ba · 1,105 sqft

77 Crandon Blvd 3C, Key Biscayne, FL

James Salas · E Realty International, Inc.

Price Reduced61Active

$3,730,000

5 bd · 4 ba · 2,700 sqft

524 Warren Ln, Key Biscayne, FL

Fabrice Ernandes · Serhant

Price Reduced29Active

$2,865,000

3 bd · 4 ba · 2,604 sqft

201 Crandon Blvd 163, Key Biscayne, FL

Josefina Fiorito · Great Properties International LLC

27Active

$1,170,160

2 bd · 2 ba · 1,260 sqft

177 Ocean Lane Dr 512, Key Biscayne, FL

Ana Lagomarsino · Pixan Realty LLC

Price Reduced34Active

$720,000

3 bd · 2 ba · — sqft

550 Ocean Drive 3H, Key Biscayne, FL

Carlos Pizarro · South Florida Brokers & Assoc

Price Reduced26Active

$699,000

2 bd · 2 ba · 1,040 sqft

555 Crandon Blvd 43, Key Biscayne, FL

Roberta Tazzini · BHHS EWM Realty

38Active

$16,800,000

4 bd · 4 ba · 3,620 sqft

640 S Mashta Dr, Key Biscayne, FL

Brigitte De Langeron · DLS International Realty

Price Reduced18Active

$2,450,000

3 bd · 3 ba · 2,330 sqft

151 Crandon Blvd 345, Key Biscayne, FL

Cristina Preti · BHHS EWM Realty

Price Reduced46Active

$1,350,000

2 bd · 2 ba · 1,409 sqft

1121 Crandon Blvd E1203, Key Biscayne, FL

Maria Becerra · Fortune Christie's International Real Estate

Price Reduced10Active

$1,250,000

2 bd · 2 ba · 1,488 sqft

151 Crandon Blvd 320, Key Biscayne, FL

Rita Benavides-Munoz · Fortune Christie's International Real Estate

Price Reduced64Active

$4,899,000

5 bd · 6 ba · 4,220 sqft

24 Grand Bay Estates Circle, Key Biscayne, FL

Anthony D Vlahovic · Engel & Voelkers Vero Beach

28Active

$6,900,000

2 bd · 4 ba · 3,950 sqft

430 Grand Bay Dr 801, Key Biscayne, FL

Adriana Vollmer · Coldwell Banker Realty

Price Reduced31Active

$1,299,000

2 bd · 2 ba · 1,260 sqft

199 Ocean Lane Dr 1009, Key Biscayne, FL

Monica Steinmuller · Coldwell Banker Realty

10Active

$495,000

1 bd · 1 ba · 725 sqft

240 Galen Dr 314, Key Biscayne, FL

Ninoska Stilp · Maos Realty, LLC.

Price Reduced41Active

$764,900

2 bd · 2 ba · 1,335 sqft

170 Ocean Lane Dr 310, Key Biscayne, FL

Melinda Foley · All Florida Property Group,Inc

Price Reduced28Active

$775,000

2 bd · 2 ba · 1,090 sqft

555 Crandon Blvd 82, Key Biscayne, FL

Natalia Mendoza Saenz · Envirotek Realty

Price Reduced77Active

$3,750,000

3 bd · 4 ba · 2,510 sqft

799 Crandon Blvd 605, Key Biscayne, FL

Ana Victoria Brisky · Urdapilleta Real Estate, LLC

Price Reduced45Active

$3,599,000

3 bd · 3 ba · 3,711 sqft

600 Grapetree Dr 11Bn, Key Biscayne, FL

Victoria Zamorano · Realty One Group Evolution

52Active

$18,900,000

5 bd · 6 ba · 8,435 sqft

445 Grand Bay Drive Ph-1a, Key Biscayne, FL

Brigitte Nachtigall · One Sotheby's International Realty

1…4 5 6 7

Listing data & MLS disclosures

BeachesMLS: All listings featuring the BMLS logo are provided by Beaches MLS, Inc. This information is not verified for authenticity or accuracy and is not guaranteed. Information is provided exclusively for consumers personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing.
Listing information ©2026 Beaches Multiple Listing Service®. All Rights Reserved. Data Last Updated: 2026-09-30 07:36:31 UTC
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: 2026-09-30 15:01:35 UTC

Key Biscayne housing market

August 2026 · This period is still settling

Selling at 95.9% of asking price

Buyers here are paying below asking. MLS · 22 sales · as of Aug 27, 2026

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

Nearby areas

ZIP codes

33160 (1,533)
33009 (976)
33139 (871)
33180 (802)
33131 (757)
33132 (749)
33019 (587)
33141 (507)

Cities

Miami (6,670)
Miami Beach (1,705)
Hollywood (1,327)
Homestead (1,165)
Aventura (1,039)

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

Your Key Biscayne agent

Jonathan Alfonso

Portal Real Estate

Lic. #3306632

Call Jonathan

Your Key Biscayne agent

Jonathan Alfonso

Portal Real Estate

Lic. #3306632

Call Jonathan

Nearby areas

ZIP codes

33160 (1,533)
33009 (976)
33139 (871)
33180 (802)
33131 (757)
33132 (749)
33019 (587)
33141 (507)

Cities

Miami (6,670)
Miami Beach (1,705)
Hollywood (1,327)
Homestead (1,165)
Aventura (1,039)

Sunny Isles Beach (992)

Hallandale Beach (968)

Pembroke Pines (767)

Listing data & MLS disclosures

BeachesMLS: All listings featuring the BMLS logo are provided by Beaches MLS, Inc. This information is not verified for authenticity or accuracy and is not guaranteed. Information is provided exclusively for consumers personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing.
Listing information ©2026 Beaches Multiple Listing Service®. All Rights Reserved. Data Last Updated: 2026-09-30 07:36:31 UTC
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: 2026-09-30 15:01:35 UTC

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

Key Biscayne housing market

August 2026 · This period is still settling

Selling at 95.9% of asking price

Buyers here are paying below asking. MLS · 22 sales · as of Aug 27, 2026

Key Biscayne, FL Homes for Sale — Page 5 | Realty.com