Safety & registry resources

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

U.S. Dept. of Justice National Sex Offender Public Website (NSOPW)
FBI: state sex-offender registry directory

Buy

Start here

Homes for sale by state
Home buying tips
Before you start looking
The buying timeline

Afford it

Today's mortgage rates
Mortgage calculator
How much can I afford?
Get pre-approved

Make the deal

Writing a winning offer
Inspections & appraisals
Closing costs, itemized
Find a buyer's agent

Save search Advertise Sign In

Saved homes Saved searches Your tours Your inquiries Recently viewed Account settings

Commercial

148 listings

Registered offenders on the map

Show registered offenders

Save search

3 beds

Sell

Selling Options

What's my home worth?
Compare selling options
Get an instant cash offer
Buy before you sell

Resources

How selling works
When should I sell?
Home selling tips
Pricing your home
What's worth fixing first
Find a seller's agent

148 listings

Homes for Sale in Key Biscayne, FL

Show Map

24 of 148 Listings

Map

24 of 148 Listings

Your Key Biscayne agent

Jonathan Alfonso

Portal Real Estate

Lic. #3306632

Call Jonathan

Price Reduced37

Active

$5,100,000

5 bd · 5 ba · 3,535 sqft

797 Glenridge Rd, Key Biscayne, FL

Camila Freytes De Marotta · Swann Realty Partners, LLC.

Price Reduced12Active

$475,000

1 bd · 2 ba · 725 sqft

240 Galen Dr 214, Key Biscayne, FL

Thania Vernon · Fortune Christie's International Real Estate

50Active

$7,450,000

7 bd · 9 ba · 4,565 sqft

425 Harbor Dr, Key Biscayne, FL

Mark Chatburn · One Sotheby's International Realty

Price Reduced38Active

$1,470,000

3 bd · 3 ba · 1,720 sqft

101 Crandon Blvd 170, Key Biscayne, FL

Encina Neira · BHHS EWM Realty

26Active

$1,790,000

3 bd · 3 ba · 1,550 sqft

202 Sunrise Dr 202B, Key Biscayne, FL

Maria Alejandra Alfonzo · Serhant

49Active

$1,499,000

2 bd · 2 ba · 1,610 sqft

200 Ocean Lane Drive 409, Key Biscayne, FL

Martine C. Paulin P L · 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

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

48Active

$9,200,000

5 bd · 6 ba · 4,416 sqft

625 Curtiswood Dr, Key Biscayne, FL

Jennifer Molina · One Sotheby's International Realty

33Active

$3,799,000

2 bd · 4 ba · 1,727 sqft

350 Ocean Dr 405N, Key Biscayne, FL

Lucas Boccheciampe · Vantage Real Estate LLC

45Active

$7,490,000

5 bd · 7 ba · 3,768 sqft

571 Glenridge Rd, Key Biscayne, FL

Dora Puig · Luxe Living Realty

47Active

$18,500,000

5 bd · 6 ba · 4,566 sqft

799 Crandon Blvd Ph-8, Key Biscayne, FL

Natalia Anda · Coldwell Banker Realty

Price Reduced93Active

$17,900,000

5 bd · 6 ba · 4,764 sqft

350 Ocean Dr Lph2N, Key Biscayne, FL

Giulietta Ulloa · BHHS EWM Realty

4Active

$1,350,000

2 bd · 2 ba · 1,409 sqft

1111 Crandon Blvd B506, Key Biscayne, FL

Stephanny Sommers · Florida Capital Realty

22Active

$8,500,000

6 bd · 7 ba · 4,190 sqft

238 Buttonwood Dr, Key Biscayne, FL

Fernanda Moreno · Douglas Elliman

Price Reduced13Active

$1,099,000

2 bd · 2 ba · 1,260 sqft

199 Ocean Lane Dr 413, Key Biscayne, FL

Fernando Echeverri PA · Great Properties International LLC

Price Reduced38Active

$829,000

2 bd · 2 ba · 1,370 sqft

150 Ocean Lane Dr 2a, Key Biscayne, FL

Ingrid Vazquez · Castaneda & Associates

26Active

$1,690,000

3 bd · 3 ba · 1,550 sqft

204 Sunrise Dr 204B, Key Biscayne, FL

Angel Nicolas · Serhant

Price Reduced69Active

$2,600,000

4 bd · 4 ba · 2,442 sqft

209 E Enid Dr 36, Key Biscayne, FL

Yadira Henriquez Saba · BHHS EWM Realty

Price Reduced5Active

$1,095,000

3 bd · 2 ba · 1,360 sqft

50 Ocean Lane Dr 404, Key Biscayne, FL

Gabriela Toledo · Green Street Realty

Price Reduced41Active

$2,800,000

3 bd · 3 ba · 2,470 sqft

737 Crandon Blvd 402, Key Biscayne, FL

Claudine Coto · One Sotheby's International Realty

27Active

$1,480,000

2 bd · 3 ba · 1,340 sqft

232 Sea View Dr 108, Key Biscayne, FL

Juanita Lopez · BHHS EWM Realty

82Active

$237,000,000

5 bd · 9 ba · 11,528 sqft

485 W Matheson Dr, Key Biscayne, FL

Jill Eber · Coldwell Banker Realty

30Active

$3,550,000

4 bd · 3 ba · 2,177 sqft

255 Ridgewood Rd, Key Biscayne, FL

Maria Parra Loughlin · Compass Florida, LLC.

1…3 4 5…7

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 06:01:31 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

Explore Key Biscayne homes

By price

Under $300K
Under $500K
Under $700K
Luxury

By bedrooms

2 beds
3 beds
4 beds
5 beds

By type

Single family
Townhomes
Condos
Manufactured homes

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

Multi-family homes

Co-ops

By feature

New construction
With a pool

Nearby areas

ZIP codes

33160 (1,525)
33009 (972)
33139 (875)
33180 (809)
33131 (750)
33132 (739)
33019 (585)
33141 (506)

Cities

Miami (6,628)
Miami Beach (1,705)
Hollywood (1,326)
Homestead (1,156)
Aventura (1,048)
Sunny Isles Beach (990)
Hallandale Beach (963)
Pembroke Pines (767)

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

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 06:01:31 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 4 | Realty.com

Nearby areas

ZIP codes

33160 (1,525)
33009 (972)
33139 (875)
33180 (809)
33131 (750)
33132 (739)
33019 (585)
33141 (506)

Cities

Miami (6,628)
Miami Beach (1,705)
Hollywood (1,326)
Homestead (1,156)
Aventura (1,048)
Sunny Isles Beach (990)
Hallandale Beach (963)
Pembroke Pines (767)