5 Harbor Point, Key Biscayne, FL 33149

$26,000,000

Virtual Tour

https://www.propertypanorama.com/instaview/mia/A11921513

Property Type: Residential Bedrooms: 3 Baths: 6 Square Footage: 10,926 Status: Pending

Current Price: $26,000,000 List Date: 11/26/2025 Last Modified: 6/08/2026

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
Water Frontage Feet: 0

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: 2026-05-08T14:14:04Z
Major Change Type: Status Change
Status Change Date: 2026-05-08
Under Contract Date: 2026-03-17

More Information

Entry Information

Entry Level: Yes

Leasing Permitted Details

Leasing Permitted YN: Yes
Okay To Lease: Yes

Boat and Dock Information

Dock: Yes

Storm Protection

Impact Glass: Partial
Panel Shutters: Partial
Roll-Down Shutters: Partial

Price Calculations

Current Price To SqFt: 2379.64

Section Details

Parcel Number MLX: 0250

Originating Details

Originating System Key: 423678547
Originating System ID: M00000151

Office/Member Information

DXORIGMLSID: SEF

Amenities

None: Yes

Dining Area

Breakfast Area: Yes
Eat-In Kitchen: Yes
Formal Dining: Yes

Flooring

Ceramic Tile: Yes
Marble: Yes

Parking Features

Circular Driveway: Yes
Driveway: Yes
Paver Block: Yes

Property Condition

Resale: Yes

Possession

Negotiable: Yes

Sewer

Public Sewer: Yes

Special Information

Sold As-Is: Yes

View

Garden: Yes

Heating

Central: Yes
Electric: Yes

Sprinkler Description

Auto Sprinkler: Yes

Water Access

Deeded Beach Access: Yes
No Fixed Bridge: Yes

Water View

Bay: Yes
Beach: Yes

Window Features

Bay Window(s): Yes

Appliances

Dishwasher: Yes
Disposal: Yes
Dryer: Yes
Electric Range: Yes
Refrigerator: Yes
Washer: Yes

Construction Materials

CBS: Yes

Interior Features

Built-in Features: Yes
Entrance Foyer: Yes
High Ceilings: Yes
Vaulted Ceiling(s): Yes

Levels

Two: Yes

Listing Terms

Cash: Yes
Conventional: Yes

Lot Features

Room for Pool: Yes

Roof

Barrel: Yes
Flat: Yes

Security Features

Smoke Detector(s): Yes

Water Source

Public: Yes

Waterfront Features

Bayfront: Yes
Ocean Front: Yes
No Fixed Bridges: Yes

Water Heater Details

Electric Water Heater: Yes

Boat and Dock Features

Private Dock: Yes

Cooling

Central Air: Yes
Electric: Yes

Showing Requirements

Call Listing Agent: Yes

Master Bedroom/Bath

Bedroom On Entry Level: Yes
Combo Tub/Shower: Yes
Master Bdrm - Ground: Yes
Separate Shower: Yes
Separate Tub: Yes

Pets Allowed YN

Yes: Yes

Pets Allowed

Pet Restrictions Possible: Yes

Restrictions

Parking - No Trailer: Yes
Parking - No Truck: Yes

Tax Information

Tax Reflects No Exemptions: Yes

Outdoor Living Spaces

Balcony: Yes

Balcony Details

Balcony - Open: Yes

Contingencies

None: Yes

Room Types

Den: Yes
Maid/In-Law Quarters: Yes

Acreage Description

1/2 To Less Than 1 Acre Lot: Yes

Room Information

Room Name
Den
Maid/In-Law Quarters

Listing Office: BHHS EWM Realty

Last Updated: June - 08 - 2026

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