5 Harbor Pt
Key Biscayne, FL 33149
3
Bed
6
Bath
10,926Sqft
28,800Sqft(Lot)
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
Property Details
Map
Map
Features
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Bedroom Information
Total beds: 3Bathroom Information
Total Baths: 6 Full Baths: 4 Half Baths: 2Roofing Information
Barrel, FlatFlooring Information
CeramicTile, Marble -
Interior Features
BuiltInFeatures, BedroomOnMainLevel, BreakfastArea, DiningArea, SeparateFormalDiningRoom, EntranceFoyer, EatInKitchen, FirstFloorEntry, HighCeilings, MainLevelPrimary, SeparateShower, TubShower, VaultedCeilings, BayWindowRoof: Barrel, FlatAppliances: Dryer, Dishwasher, ElectricRange, ElectricWaterHeater, Disposal, Refrigerator, WasherWindow Features: ImpactGlass -
Heating & Cooling
Has Heating: Yes Heating: Central, Electric Has Cooling: Yes Cooling: CentralAir, Electric Water front: 1
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Building Information
Year Built: 1954Building Area Total: 10926Construction Materials: BlockStories: 2Patio And Porch Features: Balcony, OpenPool Features: NonePrivate Pool: NoWater front Features: Bayfront,NoFixedBridges,OceanFrontView: Bay, Garden -
Exterior Features
Exterior Features: Balcony, SecurityHighImpactDoors, RoomForPool, ShuttersElectric, StormSecurityShutters
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Lot Information
Main Square Feet: 28800 Lot Size Square Feet: 28,800 Lot Description: SprinklersAutomaticProperty Information
Subdivision: MATHESON ESTATES Source Property Type: Residential Postal Code Plus 4: 1715 Zoning Description: 2000 Property SubType: Single Family Residence Direction Faces: Southwest Levels: Two Property Age: 72
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Listing Price Information
Listing Price: $26000000Cash, Conventional
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Tax Information
Parcel Number: 24-42-32-002-0250 Tax Year: 2024 Annual Tax: $59191 Tax Legal Desc: 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
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Virtual Tour
Parking Information
CircularDriveway, Driveway, PaverBlockGarage Information
Pets Allowed: Conditional, Yes
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School Information
Elementary School: Keybiscayne Junior High School: Ponce De Leon Senior High School: Coral Gables -
Location Information
WaterSource: Public Security Features: SmokeDetectors
How much is this property worth?
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Nearby Home Value
| Address | Estimate | Bed | Bath | Sq. Ft | Lot Size |
|---|---|---|---|---|---|
| 140 Hampton Ln, Key Biscayne, FL, 33149 | $5,495,000 | 5 | 6 | 3,476 | 3,476 SqFt |
| 485 W Matheson Dr, Key Biscayne, FL, 33149 | $237,000,000 | 5 | 9 | 11,528 | 11,528 SqFt |
| 571 Glenridge Rd, Key Biscayne, FL, 33149 | $7,490,000 | 5 | 7 | 3,768 | 3,768 SqFt |
| 301 Hampton Ln, Key Biscayne, FL, 33149 | $3,600,000 | 4 | 3 | 2,068 | 2,068 SqFt |
| 255 Ridgewood Rd, Key Biscayne, FL, 33149 | $3,550,000 | 4 | 3 | 2,177 | 2,177 SqFt |
| 524 Warren Ln, Key Biscayne, FL, 33149 | $3,750,000 | 5 | 4 | 2,700 | 2,700 SqFt |
| 269 Cranwood Dr, Key Biscayne, FL, 33149 | $3,980,000 | 5 | 4 | 2,821 | 2,821 SqFt |
| 250 Greenwood Drive, Key Biscayne, FL, 33149 | $3,599,000 | 5 | 5 | 3,297 | 3,297 SqFt |
| 545 Sabal Palm, Key Biscayne, FL, 33149 | $7,950,000 | 5 | 5 | 4,166 | 4,166 SqFt |
| 445 Ridgewood Rd, Key Biscayne, FL, 33149 | $6,870,000 | 5 | 6 | 3,688 | 3,688 SqFt |
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ByOwner last updated this listing 06/05/2026 @ 08:12
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