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5 Harbor Pt, Key Biscayne FL 33149

House Active With Contract
$26,000,000

BTC: 430.46357616

ETH: 16,304.10926262

111 days
Waterfront
3 bds
4 ba
10,926 sqft

Overview

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.

Location

Florida • Key Biscayne • 33149 • House • Active With Contract • Waterfront

Details

Type:
Residential
Parking:
Circular Driveway / Driveway / Paver Block / No Rv/Boats / No Trucks/Trailers
Year Built:
1954
Lot:
28800 Square Feet
Heating:
Central / Electric
Price/sqft:
$2,380
Cooling:
Central Air / Electric
HOA:
No Data

Valuation

Recent sales nearby
22 public-records sales within 0.5 mi
Median actual sale: $4.0M
Not enough MLS comparables for a model estimate on this property. Public-records data shown instead.

Highlights

Annual tax
$59,191
2024
View
Bay, Garden
Waterfront
WF/Ocean Access, No Fixed Bridges
Pets
Restrictions Or Possible Restrictions
All facts and features

  • Flooring

    • Ceramic Floor

    • Marble

    Heating

    • Central

    • Electric

    Cooling

    • Central Air

    • Electric

    Appliances

    • Dishwasher

    • Disposal

    • Dryer

    • Electric Water Heater

    • Electric Range

    • Refrigerator

    • Washer

    Other interior features

    • First Floor Entry

    • Built-in Features

    • Entrance Foyer

    • Vaulted Ceiling(s)

    • Volume Ceilings

    • Den/Library/Office

    • Maid/In-Law Quarters

    Bedrooms and bathrooms

    • Bedrooms: 3

    • Bathrooms: 2

    • Full bathrooms: 4

  • Parking

    • Circular Driveway

    • Driveway

    • Paver Block

    • No Rv/Boats

    • No Trucks/Trailers

    Property

    • Exterior Features: Open Balcony / Room For Pool

    Lot

    • Lot: 28800 Square Feet

    Other Property Information

    • Parcel Number: 24-42-32-002-0250

    • Zoning: 2000

  • Type and style

    • Property Type: Residential

    • Property Sub Type: Single Family Residence

  • Other financial information

    • Annual tax amount: $59,191

  • Source details

    • MLS ID: A11921513

    Other facts

    • Construction Materials: CBS Construction

    • Lot Features: 1/2 To Less Than 3/4 Acre Lot

    • Patio And Porch Features: Open Balcony

    • Window Features: Partial Impact Glass / Partial Panel Shutters/Awnings / Partial RollDown Shutters / Electric Shutters / Hurricane Shutters / Bay Window(s) / High Impact Windows

    • Direction Faces: Southwest

    • Architectural Style: Attached / Two Story

    • Waterfront: Yes

    • Living Area: 10926

    • Water Source: Municipal Water

    • Subdivision Name: MATHESON ESTATES

Private inquiry
Talk to the advisor on this listing.
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More like this

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Market around this address

Live counts in the same area.
View all
This zip
33149
64
median $1.8M
Active
Same city
Key Biscayne
64
median $1.8M
Active
Same type
House
17
median $5.8M
Active
Similar price
$18.2M – $33.8M
1
median $19.4M
Active

The multiple listing information is provided by the Miami Association of REALTORS® from a copyrighted compilation of listings. The compilation of listings and each individual listing are ©2026-present 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. Listing courtesy of: BHHS EWM Realty