Realty.com
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
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
Home Loans
Find an Agent
Save searchAdvertiseSign In
Saved homesSaved searchesYour toursYour inquiriesRecently viewedAccount settings

Registered offenders on the map

Save search

Registered offenders on the map

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
Condos in Key Biscayne, FL — Page 4
Realty.com
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 searchAdvertiseSign In
Saved homesSaved searchesYour toursYour inquiriesRecently viewedAccount settings
  • Commercial

Registered offenders on the map

Save search
3 beds
95 listings
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
Home Loans
Find an Agent
New construction
With a pool

Condos in Key Biscayne, FL

Condos in Key Biscayne, FL

Hide Map
23 of 95 Listings
Map

Condos in Key Biscayne, FL

23 of 95 Listings

Your Key Biscayne agent

JA

Jonathan Alfonso

Portal Real Estate

Lic. #3306632

Portal Real EstateCall Jonathan
  1. 430 Grand Bay Dr 307 — photo46Active

    $3,400,000

    3 bd · 4 ba · 2,840 sqft

    430 Grand Bay Dr 307, Key Biscayne, FL

    Giulietta Ulloa · BHHS EWM Realty

  2. 430 Grand Bay Dr 801 — photo28Active

    $6,900,000

    2 bd · 4 ba · 3,950 sqft

    430 Grand Bay Dr 801, Key Biscayne, FL

    Adriana Vollmer · Coldwell Banker Realty

  3. 199 Ocean Lane Dr 1009 — photoPrice Reduced31Active

    $1,299,000

    2 bd · 2 ba · 1,260 sqft

    199 Ocean Lane Dr 1009, Key Biscayne, FL

    Monica Steinmuller · Coldwell Banker Realty

  4. 240 Galen Dr 314 — photo10Active

    $495,000

    1 bd · 1 ba · 725 sqft

    240 Galen Dr 314, Key Biscayne, FL

    Ninoska Stilp · Maos Realty, LLC.

  5. 170 Ocean Lane Dr 310 — photoPrice Reduced41Active

    $769,900

    2 bd · 2 ba · 1,335 sqft

    170 Ocean Lane Dr 310, Key Biscayne, FL

    Melinda Foley · All Florida Property Group,Inc

  6. 555 Crandon Blvd 82 — photoPrice Reduced28Active

    $775,000

    2 bd · 2 ba · 1,090 sqft

    555 Crandon Blvd 82, Key Biscayne, FL

    Natalia Mendoza Saenz · Envirotek Realty

  7. 600 Grapetree Dr 11Bn — photoPrice Reduced45Active

    $3,599,000

    3 bd · 3 ba · 3,711 sqft

    600 Grapetree Dr 11Bn, Key Biscayne, FL

    Victoria Zamorano · Realty One Group Evolution

  8. 445 Grand Bay Drive Ph-1a — photo52Active

    $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

  9. 240 Galen Drive 109 — photo30Active

    $740,000

    3 bd · 2 ba · 1,100 sqft

    240 Galen Drive 109, Key Biscayne, FL

    Natalia Salgado · DLS International Realty

  10. 350 Ocean Dr 701N — photoPrice 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

  11. 350 Ocean Dr 205N — photoPrice Reduced28Active

    $3,500,000

    2 bd · 3 ba · 1,830 sqft

    350 Ocean Dr 205N, Key Biscayne, FL

    Judith Zeder · Coldwell Banker Realty

  12. 100 Sunrise Dr 5 — photoPrice Reduced11Active

    $429,000

    0 bd · 1 ba · 410 sqft

    100 Sunrise Dr 5, Key Biscayne, FL

    Khalil Khouri · Cristina Sammataro

  13. 881 Ocean Dr 20a — photo32Active

    $3,600,000

    3 bd · 3 ba · 3,120 sqft

    881 Ocean Dr 20a, Key Biscayne, FL

    MariaAmancia Vial-Ducaud · BHHS EWM Realty

  14. 255 Sunrise Dr 103 — photoPrice Reduced20Active

    $450,000

    1 bd · 1 ba · 608 sqft

    255 Sunrise Dr 103, Key Biscayne, FL

    Maria-Elda Castaneda · Castaneda & Associates

  15. 605 Ocean Dr 2L — photoPrice Reduced46Active

    $2,490,000

    3 bd · 3 ba · 1,772 sqft

    605 Ocean Dr 2L, Key Biscayne, FL

    MariaAmancia Vial-Ducaud · BHHS EWM Realty

  16. 155 Sunrise Dr 4B — photoPrice Reduced18Active

    $849,000

    2 bd · 2 ba · 1,212 sqft

    155 Sunrise Dr 4B, Key Biscayne, FL

    Joaquin Riera · IMS Consulting & Management

  17. 350 E Ocean Dr 301N — photoPrice Reduced41Active

    $8,950,000

    4 bd · 7 ba · 3,798 sqft

    350 E Ocean Dr 301N, Key Biscayne, FL

    Kinga Konsorska · Douglas Elliman

  18. 155 Ocean Lane Dr 302 — photoPrice Reduced24Active

    $749,000

    1 bd · 2 ba · 895 sqft

    155 Ocean Lane Dr 302, Key Biscayne, FL

    Melissa Llaury · One Sotheby's International Realty

  19. 177 Ocean Lane Dr 208 — photoPrice Reduced12Active

    $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.

  20. 251 Crandon Blvd 227 — photo12Active

    $1,900,000

    3 bd · 2 ba · 1,546 sqft

    251 Crandon Blvd 227, Key Biscayne, FL

    Dolores Urdapilleta · Urdapilleta Real Estate, LLC

  21. 360 Ocean Dr 304S — photo40Active

    $4,800,000

    2 bd · 4 ba · 1,823 sqft

    360 Ocean Dr 304S, Key Biscayne, FL

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

  22. 360 Ocean Dr 205S — photo39Active

    $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

  23. 785 Crandon Blvd 705/805 — photo22Active

    $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

1…34

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
  • Multi-family homes
  • Co-ops
Realty.com

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

Equal Housing OpportunityEqual Housing Lender

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.

© 2026 Realty.com. All rights reserved.·Privacy·Terms·California Privacy Rights·Accessibility·Licensing

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: 2026-09-12 17:02:12 UTC
  • By feature

    • New construction
    • With a pool

    Your Key Biscayne agent

    JA

    Jonathan Alfonso

    Portal Real Estate

    Lic. #3306632

    Portal Real EstateCall Jonathan

    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

    June 2026

    Key Biscayne 12-month median sale price trend

    Selling at 94.0% of asking price

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

    Homes that sold · County records, as of Jun 30, 2026

    Median sale price
    $1,390,000$843,750–$2,350,000 typical range
    Price per sq. ft.
    $858
    Sales
    28
    Paid in cash
    71.4%

    Homes on the market · MLS, as of Jun 30, 2026

    Median days on market
    31 days

    Price trend · Assessor repeat sales, as of Jun 30, 2026

    Year-over-year
    3.7%