$23,500,000
Key Biscayne, FL 33149
MLS# A11921513
Status: Closed
3 beds | 6 baths | 10926 sqft
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Property 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.
Details
Maps
Contract Information
Comp Sale YN: No
Listing Date: 2025-11-26
Status: Closed
Original List Price: 26000000
Sold Price: $23,500,000
Current Price: $23,500,000
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
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: 1
Carport Spaces: 1
Covered Spaces: 1
Lot Size Area: 28800
Lot Size Acres: 0.66
Lot Size Dimensions: 28800
Senior Community YN: No
Waterfront YN: 1
Outdoor Living Spaces YN: Yes
Stories Total: 2
Direction Faces: Southwest
Pool Private YN: No
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
Entry Information
Entry Level: 1
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
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
Room Information
| Room Name |
| Den |
| Maid/In-Law Quarters |
Listing Office: BHHS EWM Realty
Last Updated: July - 06 - 2026
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