4 Bedroom Homes in Key Biscayne, FL

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6 Listings

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4 Bedroom Homes in Key Biscayne, FL

6 Listings

35Active
$3,900,000

6 listings

4 Bedroom Homes in Key Biscayne, FL

Hide Map

6 Listings

Map

4 Bedroom Homes in Key Biscayne, FL

6 Listings

Your Key Biscayne agent

Jonathan Alfonso

Portal Real Estate

Lic. #3306632

Call Jonathan

35Active
$3,900,000

Your Key Biscayne agent

Jonathan Alfonso

Portal Real Estate

Lic. #3306632

Call Jonathan

4 bd · 4 ba · 2,930 sqft

430 Grand Bay Dr 606, Key Biscayne, FL

Saddy Delgado PA · One Sotheby's International Realty

36Active

$3,950,000

4 bd · 5 ba · 3,250 sqft

445 Grand Bay Dr 104, Key Biscayne, FL

Cristina Diez · Compass Florida, LLC.

37Active

$6,900,000

4 bd · 5 ba · 4,200 sqft

785 Crandon Blvd 205/305, Key Biscayne, FL

Kaila Mardoyan · Douglas Elliman

Your Key Biscayne agent

Jonathan Alfonso

Portal Real Estate

Lic. #3306632

Call Jonathan

Price Reduced52Active

$11,495,000

4 bd · 6 ba · 3,787 sqft

350 Ocean Dr 701N, Key Biscayne, FL

Lucia Marin · One Sotheby's International Realty

Price Reduced41Active

$8,950,000

4 bd · 7 ba · 3,798 sqft

350 E Ocean Dr 301N, Key Biscayne, FL

Kinga Konsorska · Douglas Elliman

22Active

$5,450,000

4 bd · 5 ba · 4,200 sqft

785 Crandon Blvd 705/805, Key Biscayne, FL

Douglas Kinsley · Fortune Christie's International Real Estate

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: 2026-09-29 15:58:46 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

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: 2026-09-29 15:58:46 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

Registered offenders on the map

Registered offenders on the map

Registered offenders on the map

Registered offenders on the map

Your Key Biscayne agent

Your Key Biscayne agent

Your Key Biscayne agent

Listing data & MLS disclosures

Key Biscayne housing market

Key Biscayne, FL community profile

Your Key Biscayne agent

Listing data & MLS disclosures

Key Biscayne, FL community profile

Key Biscayne housing market