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Luxury Homes in Key Biscayne, FL

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12 of 213 Listings

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12 of 213 Listings

32Active

Luxury Homes in Key Biscayne, FL — Page 9

213 listings

Luxury Homes in Key Biscayne, FL

Hide Map

12 of 213 Listings

Map

Luxury Homes in Key Biscayne, FL

12 of 213 Listings

Your Key Biscayne agent

Jonathan Alfonso

Portal Real Estate

Lic. #3306632

Call Jonathan

32Active

Your Key Biscayne agent

Jonathan Alfonso

Portal Real Estate

Lic. #3306632

Call Jonathan

$3,600,000

3 bd · 3 ba · 3,120 sqft

881 Ocean Dr 20a, Key Biscayne, FL

MariaAmancia Vial-Ducaud · BHHS EWM Realty

Price Reduced45Active

$2,199,000

3 bd · 3 ba · 1,772 sqft

605 Ocean Dr Unit 2L, Key Biscayne, FL

MariaAmancia Vial-Ducaud · BHHS EWM Realty

Price Reduced45Active

$2,199,000

3 bd · 3 ba · 1,772 sqft

605 Ocean Dr 2L, Key Biscayne, FL

MariaAmancia Vial-Ducaud · BHHS EWM Realty

Your Key Biscayne agent

Jonathan Alfonso

Portal Real Estate

Lic. #3306632

Call Jonathan

Price Reduced41Active

$8,950,000

4 bd · 7 ba · 3,798 sqft

350 E Ocean Dr 301N, Key Biscayne, FL

Kinga Konsorska · Douglas Elliman

24Active

$6,900,000

6 bd · 7 ba · 3,550 sqft

110 Hampton Ln, Key Biscayne, FL

Jacqueline Molina · Fortune Christie's Intl R.E.

Price Reduced13Active

$1,125,000

2 bd · 2 ba · 1,260 sqft

177 Ocean Lane Dr 208, Key Biscayne, FL

Clara Sotorrio · City Intl R. E. Group, Inc.

28Active

$1,900,000

3 bd · 2 ba · 1,546 sqft

251 Crandon Blvd 227, Key Biscayne, FL

Dolores Urdapilleta · Urdapilleta Real Estate, LLC

Price Reduced67Active

$3,800,000

4 bd · 4 ba · 3,403 sqft

691 Ridgewood Rd, Key Biscayne, FL

Felipe Franco · BHHS EWM Realty

Price Reduced100Active

$7,950,000

5 bd · 5 ba · 4,166 sqft

545 Sabal Palm, Key Biscayne, FL

Brigitte De Langeron · DLS International Realty

Price Reduced82Active

$12,485,000

6 bd · 8 ba · 6,405 sqft

420 Island Dr, Key Biscayne, FL

Elena Chacon · BHHS EWM Realty

39Active

$3,650,000

2 bd · 4 ba · 1,830 sqft

360 Ocean Dr 205S, Key Biscayne, FL

Bruno Ricci · Fortune Christie's International Real Estate

Price Reduced26Active

$9,800,000

6 bd · 7 ba · 5,826 sqft

31 Island Dr, Key Biscayne, FL

Fernando Gimenez · Gimeza A Real Estate Corp.

1…8 9

Listing data & MLS disclosures

MiamiSouthFlorida: Listing information provided by MiamiSouthFlorida.
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: 2026-10-19 17:43:58 UTC

Key Biscayne housing market

October 2026 · This period is still settling

Selling at 94.1% of asking price

Buyers here are paying below asking. MLS · 10 sales · as of Oct 30, 2026

Homes on the market · MLS, as of Oct 18, 2026

Median list price: $2,625,000
Homes for sale: 134

Housing stock — every home in the area, not only the ones selling or listed · Assessor records, as of Sep 30, 2026

Median home size: 1,835 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 $2.25M
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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

MiamiSouthFlorida: Listing information provided by MiamiSouthFlorida.
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: 2026-10-19 17:43:58 UTC

Key Biscayne housing market

October 2026 · This period is still settling

Selling at 94.1% of asking price

Buyers here are paying below asking. MLS · 10 sales · as of Oct 30, 2026

Homes on the market · MLS, as of Oct 18, 2026

Median list price: $2,625,000
Homes for sale: 134

Housing stock — every home in the area, not only the ones selling or listed · Assessor records, as of Sep 30, 2026

Median home size: 1,835 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