Home in 5 Harbor Pt Key Biscayne for sale with MLS# A11921513
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.
5 Harbor Pt, Key Biscayne, FL 33149
Price
- Price:
- $26,000,000.00
- Original List Price:
- $26,000,000.00
Property Status and Type
- Listing Type:
- For Sale
- Status:
- Active Under Contract (An offer has been accepted, considering Backup Offers)
- Contingency:
- No Contingencies
- Special Sale Conditions:
- Listed As Is
- Listing Category:
- Residential
- Property Type:
- Single Family House
- MLS Number:
- A11921513
- Description of Last Important Update:
- Active Under Contract (An offer has been accepted, considering Backup Offers)
- Last Major Update on:
- March 17, 2026 11:25 am
Rooms Distribution
- Bedrooms:
- 3
- Bathrooms Total:
- 6
- Full Bath:
- 4
- Half Bath:
- 2
- Room Type:
- Den, In Law Suite
Measures
- Living Area:
- 10,926 Sqft
- Built-Up Area:
- 10,926 Sqft
- Lot Area:
- 28,800 Sqft
- Lot Size Unit:
- Square Feet
- Lot Features:
- Sprinklers Automatic
Property Features
- View from the Property:
- Garden, Bay
- Waterfront:
- Yes
- Waterfront Features:
- Ocean Front, Bay Front, No Fixed Bridges
- Frontage Length:
- 0
- Security:
- Smoke Detector(s)
- Appliances:
- Dryer, Dishwasher, Disposal, Refrigerator, Washer, Electric Range, Electric Water Heater
- Interior:
- Eat-in Kitchen, First Floor Entry, Breakfast Area, Dining Area, High Ceilings, Bedroom On Main Level, Vaulted Ceiling(s), Entrance Foyer, Built-in Features, Bay Window, Separate Formal Dining Room, Main Level Primary, Separate Shower, Tub Shower
- Exterior:
- Balcony, Room For Pool, Shutters Electric, Storm Security Shutters, Security High Impact Doors
- Patio and Porch:
- Balcony, Open
- Windows:
- Impact Glass, Impact glass, Impact Glass
- Air Conditioning
- Air Conditioning System:
- Central Air, Electric
- Heating
- Heating System:
- Central, Electric
- Property Entrance Faces:
- Southwest
- Water Access Description:
- Deeded Beach Access, Private Dock, Unrestricted Saltwater Access
- Boat Dock Slip:
- Beach
- Storm Protection:
- Partial Impact Glass, Partial Storm Panels, Partial Roll-Down Shutters
Construction
- Year Built:
- 1954
- Year Built Details:
- Resale
- Roof:
- Barrel, Flat
- Architectural Style:
- Two Story
- Levels:
- Two
- Construction Materials:
- Block
- Flooring:
- Marble, Ceramic Tile
- Stories:
- 2
Taxes and Expenses
- Tax Annual Amount:
- $59,191.00
- Tax Year:
- 2024
- Property Tax Status:
- Tax Reflects No Exemptions
Parking
- Garage Spaces:
- 0
- Carport Spaces:
- 1
- Covered Spaces:
- 1
- Parking Features:
- Driveway, Circular Driveway, Paver Block
- Carport
Utilities
- Sewer:
- Public Sewer
- Water Source:
- Public
Community
- Pets Allowed?:
- Yes, Conditional
- Subdivision Name:
- MATHESON ESTATES
- Senior Community:
- No
- Development Name:
- MATHESON ESTATES
- Restrictions:
- No Boats, No RVs, No Trucks, Okay to Lease
Terms
- Listing Terms Considered by Seller:
- Cash, Conventional
- Occupant Type:
- Call Agent
- Buyer Possession:
- Closing And Funding
- Lease Considered:
- No
Zoning and Legal
- 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
- Real Estate Folio Number (Parcel Number):
- 24-42-32-002-0250
- Zoning Description:
- 2000
Public Schools Assigned
- Elementary School:
- Hollywood Centl
- High School:
- Coral Gables
- Middle Or Junior School:
- Ponce De Leon
Listing History
- Originally published on:
- November 26, 2025 3:03 pm
- Active on the market since:
- November 26, 2025
- Price change occurred on:
- November 26, 2025 11:58 am
- Listing Status Last Changed On:
- March 17, 2026 11:25 am
- Photos updated on:
- January 16, 2026 8:40 pm
- Last Modified:
- March 17, 2026 3:47 pm
Additional Information
- Housing Older Persons Act:
- No HOPA
- Flood Zone:
- AE
- Type of Association:
- None
- Rooms Description:
- Den/Library/Office, Maid/In-Law Quarters
- Style:
- WF/Ocean Access
- Municipal Code:
- 24
- Subdivision Number:
- 2
- Courtesy of:
- BHHS EWM Realty
- Attribution:
- Not provided
Location
- Street Name:
- Harbor Pt
- Street Number:
- 5
- City:
- Key Biscayne
- State:
- Florida
- Zip Code:
- 33149
- County:
- Miami-Dade
- Latitude:
- N25° 41' 25.6''
- Longitude:
- W81° 49' 28.7''
Property Map
Neighborhood Stats
Source: U.S. Census Bureau, ACS 5-Year Estimates
Median Household Income
$171,982
Median Home Value
$1,231,500
Median Rent
$3,501/mo
Median Age
43
Population
14,628
Air Quality
Source: AirNow.gov · Miami
🌬️ Air Quality Index (AQI)
50
Good
☀️ O3
45
Good
🫁 PM2.5
50
Good
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