5 Harbor Point, Key Biscayne, FL 33149

$23,500,000
Property Type: Residential Bedrooms: 3 Baths: 6 Square Footage: 10,926 Status: Closed
Current Price: $23,500,000 List Date: 11/26/2025 Last Modified: 7/06/2026

Overview

Description

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.

Listing Details MLS# A11921513

General Property Information

Property Sub Type
Single Family Residence
Bedrooms Total
3
Bathrooms Total
6
Bathrooms Full
4
Bathrooms Half
2
Building Area Main
10926
Living Area Main
10926
Adjusted Area Main
10926
Year Built
1954
Carport YN
Yes
Carport Spaces
Yes
Covered Spaces
Yes
Lot Size Area
28800
Lot Size Acres
0.66
Lot Size Dimensions
28800
Senior Community YN
No
Waterfront YN
Yes
Outdoor Living Spaces YN
Yes
Stories Total
2
Direction Faces
Southwest
Pool Private YN
No

Property Features

Dining Area: Breakfast Area; Eat-In Kitchen; Formal Dining Flooring: Ceramic Tile; Marble Leasing Permitted Details: Okay To Lease Parking Features: Circular Driveway; Driveway; Paver Block Property Condition: Resale Appliances: Dishwasher; Disposal; Dryer; Electric Range; Refrigerator; Washer Water Heater Details: Electric Water Heater Boat and Dock Features: Private Dock Construction Materials: CBS Cooling: Central Air; Electric Heating: Central; Electric Interior Features: Built-in Features; Entrance Foyer; High Ceilings; Vaulted Ceiling(s) Levels: Two Listing Terms: Cash; Conventional Lot Features: Room for Pool Pets Allowed YN: Yes Pets Allowed: Pet Restrictions Possible Possession: Negotiable Restrictions: Parking - No Trailer; Parking - No Truck Roof: Barrel; Flat Security Features: Smoke Detector(s) Sewer: Public Sewer Special Information: Sold As-Is Sprinkler Description: Auto Sprinkler Tax Information: Tax Reflects No Exemptions View: Garden Water Access: Deeded Beach Access; No Fixed Bridge Water Source: Public Water View: Bay; Beach Waterfront Features: Bayfront; Ocean Front; No Fixed Bridges Window Features: Bay Window(s) Showing Requirements: Call Listing Agent Outdoor Living Spaces: Balcony Balcony Details: Balcony - Open Contingencies: None Room Types: Den; Maid/In-Law Quarters Acreage Description: 1/2 To Less Than 1 Acre Lot

Contract Information

Comp Sale YN
No
Original List Price
26000000
Occupant Type
Call Listing Agent

Location and Legal

Country
United States
County Or Parish
Miami-Dade
County Parish Name
Miami-Dade
Street Number
5
Street Name
Harbor
Street Suffix
Point
City Name
Key Biscayne
Municipal Code
24
State Or Province
FL
Postal Code
33149
Postal Code +4
1715
Postal Zip
33149
Subdivision Name
MATHESON ESTATES
Development Name
MATHESON ESTATES
Area
2520
Elementary School
Key Biscayne K-8
Middle Or Junior School
Ponce De Leon
High School
Coral Gables
Parcel Number
2442320020250
Subdivision Number
2
Zoning
2000
Flood Zone
AE

Financial Information

Membership Fee Required YN
No
Tax Annual Amount
59191
Tax Year
2024
Tax Legal Description
32-33 54 42 4-5-6 55 42 .53 AC M/L MATHESON ESTS PB 46-86 PART OF TR 12 DESC BEG AT X OF N/L TR 11 & W/L OF SEC 5-55-42 TH W ALG N/L TR 11 2

Status Change Information

Major Change Timestamp
2026-07-06T04:00:00Z
Major Change Type
Status Change
Status Change Date
2026-07-06
Under Contract Date
2026-03-17
Close Date
2026-07-06
Close Price
23500000
Buyer Financing
Other

More Information

Entry Information

Entry Level
Yes

Leasing Permitted Details

Leasing Permitted YN
Yes

Boat and Dock Information

Dock
Yes

Storm Protection

Impact Glass
Partial
Panel Shutters
Partial
Roll-Down Shutters
Partial

Buyer Details

Intended Use
Unknown/Withheld

Concessions

Seller Concessions
No

Price Calculations

Current Price To SqFt
2150.83

Section Details

Parcel Number MLX
0250

Originating Details

Originating System Key
423678547
Originating System ID
M00000151

Room Information

Room Name
Den
Maid/In-Law Quarters
IDX
Listing Office: BHHS EWM Realty
Last Updated: July - 06 - 2026
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