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$26,000,000
43 Days On Site

5 Harbor Pt
Key Biscayne, FL 33149

For Sale|Single Family Residence|Active
3
Beds
6
Total Baths
4
Full Baths
2
Partial Baths
10,926
SqFt
$2,380
/SqFt
1954
Built
Subdivision:
MATHESON ESTATES
County:
Miami-Dade

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5 Harbor Pt5 Harbor Pt5 Harbor Pt5 Harbor Pt
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A rare legacy offering on Key Biscayne’s only private road, this extraordinary 28,800 SF waterfront estate boasts 120 ft of water frontage, a secluded beach, and a private dock with sweeping Miami skyline views. One of the few properties of its kind, it combines unmatched privacy with a dramatic contemporary design celebrated as part of the Rosa de la Cruz Collection. Towering 20-ft ceilings, sculptural lines, and vast, light-filled spaces create a breathtaking backdrop for art, entertaining, or reimagining the home to your personal vision. A truly exceptional canvas in an irreplaceable location. Don't miss this opportunity.

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Listing Snapshot
Price 
$26,000,000
Days On Site 
43 Days
Bedrooms 
3
Inside Area (SqFt) 
10,926 sqft
Total Baths 
6
Full Baths 
4
Partial Baths 
2
Lot Size 
28,800 Acres
Year Built 
1954
MLS® Number 
A11921513
Status 
Active
Property Tax 
$59,191
HOA/Condo/Coop Fees 
N/A
Sq Ft Source 
N/A
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What's This?
Private
Recent Activity
a month agoListing first seen on site
a month agoListing updated with changes from the MLS®
General Features
Carport 
1
Direction Faces 
Southwest
Levels 
Two
Number Of Stories 
2
Parking 
Circular DrivewayDrivewayPaver Block
Pets 
Yes
Property Sub Type 
Single Family Residence
Security 
Smoke Detector(s)
Sewer 
Public Sewer
SqFt Total 
10926
Style 
TwoStory
Water Source 
Public
Zoning 
2000
Interior Features
Appliances 
DryerDishwasherElectric RangeElectric Water HeaterDisposalRefrigeratorWasher
Cooling 
Central AirElectric
Flooring 
Ceramic TileMarble
Heating 
CentralElectric
Interior 
Built-in FeaturesEntrance FoyerEat-in KitchenHigh CeilingsVaulted Ceiling(s)Master Downstairs
Window Features 
Bay Window(s)
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Exterior Features
Construction Details 
Block
Exterior 
Balcony
Frontage 
0
Lot Features 
Waterfront
Pool Features 
None
Roof 
BarrelFlat
View 
BayGarden
Waterfront 
Yes
Waterfront Features 
Ocean Front
Waterview 
BayGarden
Windows/Doors 
Bay Window(s)
Community Features
Financing Terms Available 
CashConventional
MLS Area 
42
Schools
School District
Unknown
Elementary School
Keybiscayne
Middle School
Ponce De Leon
High School
Coral Gables
Listing courtesy of BHHS EWM Realty

The data relating to real estate for sale on this web site comes in part from the Miami Association of Realtors, Realtor Association of Greater Ft. Lauderdale, and the South Broward Board of Realtors. Information is deemed reliable but not guaranteed. Copyright © 2026, Miami Association of Realtors, Realtor Association of Greater Ft. Lauderdale, and the South Broward Board of Realtors. All rights reserved. The information being provided is for consumers' personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. The use of search facilities of data on the site, other than a consumer looking to purchase real estate, is prohibited.

Neighborhood & Commute
Source: Walkscore
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