The latest in luxury property, lifestyle & culture, curated just for you.

  • California
  • Colorado
  • Connecticut
  • Florida
  • Massachusetts
  • Mid-Atlantic
  • Nevada
  • New Jersey
  • New York
  • New York City
  • Texas
  • Vermont

  • California
  • Colorado
  • Connecticut
  • Florida
  • Massachusetts
  • Mid-Atlantic
  • Nevada
  • New Jersey
  • New York
  • New York City
  • Texas
  • Vermont

  • California
  • Colorado
  • Connecticut
  • Florida
  • Massachusetts
  • Mid-Atlantic
  • Nevada
  • New Jersey
  • New York
  • New York City
  • Texas
  • Vermont

  • California
  • Colorado
  • Connecticut
  • Florida
  • Massachusetts
  • Mid-Atlantic
  • Nevada
  • New Jersey
  • New York
  • New York City
  • Texas
  • Vermont
  • SITE MAP
  • TERMS
  • PRIVACY
  • COOKIE PREFERENCES
  • DO NOT SELL OR SHARE MY PERSONAL INFORMATION
  • NYS Housing Discrimination Disclosure Notice & Form
  • NYS Standard Operating Procedure
  • NYS Tenants' Rights to Reasonable Accommodations for persons with disabilities
  • California Consumer Privacy Act Notice
  • Texas Consumer Protection Notice
  • Texas Real Estate Commission Information About Brokerage Services
  • text of new york city human rights law
  • new york city commission on human rights
  • nyc source of income discrimination information
  • nyc source of income discrimination tenant faqs

THE SOURCE OF THE DISPLAYED DATA IS EITHER THE PROPERTY OWNER OR PUBLIC RECORD PROVIDED BY NON-GOVERNMENTAL THIRD PARTIES. IT IS BELIEVED TO BE RELIABLE BUT NOT GUARANTEED. FOR COLORADO VIEWERS, INFORMATION ABOUT NON-COMMERCIAL PROPERTIES IS PROVIDED EXCLUSIVELY FOR YOUR PERSONAL, NON-COMMERCIAL USE.

575 MADISON AVENUE, NEW YORK, NY 10022. 212.891.7000 © 2026 DOUGLAS ELLIMAN REAL ESTATE. EQUAL EMPLOYMENT OPPORTUNITY PROVIDER. ALL MATERIAL PRESENTED HEREIN IS INTENDED FOR INFORMATION PURPOSES ONLY. WHILE THIS INFORMATION IS BELIEVED TO BE CORRECT, IT IS REPRESENTED SUBJECT TO ERRORS, OMISSIONS, CHANGES, OR WITHDRAWAL WITHOUT NOTICE. ALL PROPERTY INFORMATION, INCLUDING, BUT NOT LIMITED TO SQUARE FOOTAGE, ROOM COUNT, NUMBER OF BEDROOMS, AND THE SCHOOL DISTRICT IN PROPERTY LISTINGS SHOULD BE VERIFIED BY YOUR OWN ATTORNEY, ARCHITECT, OR ZONING EXPERT. EQUAL HOUSING OPPORTUNITY.LISTING DATA REFRESHED ON JAN 20 2026 AT 12:24 AM.

DOUGLAS ELLIMAN IS A LICENSED REAL ESTATE BROKER IN CALIFORNIA WITH LICENSE # 01947727, COLORADO WITH LICENSE # EC100053892, CONNECTICUT WITH LICENSE # REB.0314827, THE DISTRICT OF COLUMBIA WITH LICENSE # REO40000160, FLORIDA WITH LICENSE # CQ1020232, MARYLAND WITH LICENSE # 645270, MASSACHUSETTS WITH LICENSE # 422764, NEVADA WITH LICENSE # 1454643, NEW JERSEY WITH LICENSE # 0572105, NEW YORK WITH LICENSE # 10991211812, TEXAS WITH LICENSE # 9008706, AND VIRGINIA WITH LICENSE # 0226035659.

SCAMMERS ARE IMPERSONATING REAL ESTATE AGENTS AND USING ACTIVE LISTINGS TO REQUEST FAKE DEPOSITS. SHOULD YOU HAVE A QUESTION ABOUT THE LEGITIMACY OF A DOUGLAS ELLIMAN AGENT OR LISTING, PLEASE CONTACT THE AGENT DIRECTLY VIA THE “AGENTS” LINK IN THE TOP MENU. DOUGLAS ELLIMAN WILL NEVER ASK FOR ANY PAYMENT TO RESERVE, HOLD, OR VIEW A PROPERTY. THESE CHARGES ARE PROHIBITED UNDER NEW YORK LAW. IF YOU RECEIVE A SUSPICIOUS REQUEST FOR MONEY, DO NOT SEND FUNDS. REPORT IT TO THE NYS DEPARTMENT OF STATE AND NOTIFY DOUGLAS ELLIMAN. YOU CAN READ THE NEW YORK STATE DEPARTMENT OF STATE'S CONSUMER ALERT HERE.

POWERED BY PURLIN.AI

5 Harbor Pt

key biscayne, FL 33149

$26,000,000

  • 3 BR
    4 BA, 2 HALF BA
    APPROX. 10,926 SF

INTERESTED? LET'S CONNECT

A once-in-a-generation opportunity on Key Biscayne’s only private waterfront road, this extraordinary estate spans 28,800 square feet with 120 feet of pristine water frontage, a secluded sandy beach, and a private dock framing panoramic views of the Miami skyline. Offering 10,926 square feet of living space, the property delivers exceptional privacy alongside a striking contemporary design recognized as part of the esteemed Rosa de la Cruz Collection. Soaring 20-foot ceilings, sculptural architectural lines, and expansive, light-filled interiors create a dramatic backdrop for art, entertaining, or a visionary reimagining tailored to your lifestyle. A truly rare canvas in an irreplaceable location, with architectural plans available to transform it into the most exceptional residence in Key Biscayne.

OPEN HOUSE

01/21 12:30PM - 2:30PMadd to calendar

Details

10,926 Sq Ft

0.66 Private Acres Lot Size

Single Family Home

$59,191 Annual Tax

Built in 1954

MLS/Listing ID A11921513

MATHESON ESTATES

Amenities & Features

High Impact Doors

Construction - CBS

Style - Attached

Open Balcony

Den/Library/Office

Maid/In-Law Quarters

Volume Ceilings

Parking - No RV/Boats

Parking - No Trucks/Trailers

Barrel Roof

Flat Roof with Facade Front

Electric Shutters

Dryer

Disposal

Dishwasher

Style - Two Story

Cooling - Electric

Electric Range

Electric Water Heater

Refrigerator

Washer

Bay Windows

No Fixed Bridges

Ocean Access

Ocean Front

Bay View

Garden View

Parking - Circular Driveway

Parking - Driveway

Parking - Paver Block

Built-in Features

Entrance Foyer

First Floor Entry

Vaulted Ceilings

Heating - Electric

Ceramic Tile

Marble

Room for Pool

Cooling - Central Air

Partial Roll-Down Shutters

Partial Panel Shutters/Awnings

High Impact Windows

Hurricane Shutters

Partial Impact Glass

MIAMIRE

estimate my mortgage

TOTAL MONTHLY COST

-

  • PRINCIPAL & INTEREST

    -

  • PROPERTY TAXES

    -

  • COMMON CHARGES

    -

HOME PRICE
DOWN PAYMENT
term
INTEREST

Interested in 5 Harbor Pt?