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Homes Under $800K in Key Biscayne, FL

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11 of 40 Listings

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11 of 40 Listings

Price Reduced14Active

Homes Under $800K in Key Biscayne, FL — Page 2

40 listings

Homes Under $800K in Key Biscayne, FL

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11 of 40 Listings

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Homes Under $800K in Key Biscayne, FL

11 of 40 Listings

Your Key Biscayne agent

Jonathan Alfonso

Portal Real Estate

Lic. #3306632

Call Jonathan

Price Reduced14Active

Your Key Biscayne agent

Jonathan Alfonso

Portal Real Estate

Lic. #3306632

Call Jonathan

$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.

Price Reduced14Active

$480,000

1 bd · 2 ba · 854 sqft

251 Galen Dr 302, Key Biscayne, FL

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

19Active

$790,000

1 bd · 2 ba · 895 sqft

155 Ocean Lane Dr 403, Key Biscayne, FL

Dolores Urdapilleta · Urdapilleta Real Estate, LLC

Your Key Biscayne agent

Jonathan Alfonso

Portal Real Estate

Lic. #3306632

Call Jonathan

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

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 Reduced20Active

$450,000

1 bd · 1 ba · 608 sqft

255 Sunrise Dr 103, Key Biscayne, FL

Maria-Elda Castaneda · Castaneda & Associates

Price Reduced18Active

$794,000

2 bd · 2 ba · 1,212 sqft

155 Sunrise Dr 4B, Key Biscayne, FL

Joaquin Riera · IMS Consulting & Management

Price Reduced18Active

$794,000

2 bd · 2 ba · 1,212 sqft

155 Sunrise Dr Unit 4B, Key Biscayne, FL

Joaquin Riera · IMS Consulting & Management

Price Reduced24Active

$724,000

1 bd · 2 ba · 895 sqft

155 Ocean Lane Dr Unit 302, Key Biscayne, FL

Melissa Llaury · One Sotheby's International Realty

Price Reduced24Active

$724,000

1 bd · 2 ba · 895 sqft

155 Ocean Lane Dr 302, Key Biscayne, FL

Melissa Llaury · One Sotheby's International Realty

1 2

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: 2026-10-30 21:49:30 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

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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: 2026-10-30 21:49:30 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

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.