5 Harbor Point
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
What's Nearby
Nearby Areas
Features
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Bedroom Information
Total beds: 3Bathroom Information
Total Baths: 6 Full Baths: 4 Half Baths: 2Room Information
Rooms Total: 2Roofing Information
Barrel, FlatFlooring Information
CeramicTile, Marble -
Interior Features
BuiltInFeatures, BedroomOnMainLevel, BreakfastArea, Bathtub, DiningArea, SeparateFormalDiningRoom, EntranceFoyer, EatInKitchen, HighCeilings, MainLevelPrimary, SoakingTub, SeparateShower, TubShower, VaultedCeilingsRoof: Barrel, FlatAppliances: Dryer, Dishwasher, ElectricRange, ElectricWaterHeater, Disposal, Refrigerator, WasherWindow Features: BayWindows -
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: 2Frontage Length: 0.00Patio And Porch Features: Open, BalconyPrivate Pool: NoWater front Features: BeachAccess,Bayfront,DeededAccess,NoFixedBridges,OceanFrontView: Bay, Beach, Garden -
Exterior Features
Exterior Features: Balcony, OutdoorLivingArea, RoomForPool
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Lot Information
Lot Dimensions: 28800 Main Square Feet: 28800 Lot Size Acres: 0.66 Lot Description: SprinklersAutomaticProperty Information
Subdivision: MATHESON ESTATES Source Property Type: Residential Postal Code Plus 4: 1715 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: 2442320020250 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: PetRestrictions, YesHomeowners Association Information
Association Amenities: None
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School Information
Elementary School: Key Biscayne K-8 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 |
|---|---|---|---|---|---|
| 591 N Mashta Dr, Key Biscayne, FL, 33149 | $15,500,000 | 4 | 5 | 4,290 | 4,290 SqFt |
| 269 Cranwood Dr, Key Biscayne, FL, 33149 | $3,980,000 | 5 | 4 | 2,821 | 2,821 SqFt |
| 140 Hampton Ln, Key Biscayne, FL, 33149 | $5,495,000 | 5 | 6 | 3,476 | 3,476 SqFt |
| 110 Hampton Ln, Key Biscayne, FL, 33149 | $6,900,000 | 6 | 7 | 3,550 | 3,550 SqFt |
| 561 Warren Ln, Key Biscayne, FL, 33149 | $5,995,000 | 5 | 6 | 3,762 | 3,762 SqFt |
| 445 Ridgewood Rd, Key Biscayne, FL, 33149 | $6,870,000 | 5 | 6 | 3,688 | 3,688 SqFt |
| 200 Ocean Lane Dr #501, Key Biscayne, FL, 33149 | $3,925,000 | 3 | 4 | 2,399 | 2,399 SqFt |
| 164 W Mashta Dr, Key Biscayne, FL, 33149 | $5,200,000 | 5 | 5 | -- | |
| 1121 Crandon Blvd #E803, Key Biscayne, FL, 33149 | $1,050,000 | 2 | 2 | 1,409 | 1,409 SqFt |
| 111 Reef Ln, Key Biscayne, FL, 33149 | $11,500,000 | 7 | 6 | 5,008 | 5,008 SqFt |
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ByOwner last updated this listing 06/14/2026 @ 15:33
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