551 S Mashta Dr
Key Biscayne, FL 33149
6
Bed
5
Bath
3,245Sqft
10,000Sqft(Lot)
Your tropical private retreat on exclusive Mashta Island. This 6 bed / 5 bath, 3,245 SF Mediterranean villa sits on a spacious 10,000 SF lot with lush landscaping, a resort-style pool, and a private cabana guest suite. Interiors with soaring 10-foot ceilings flow seamlessly to the outdoors, perfect for entertaining and relaxed island living. Intentionally designed with two primary suites (first floor and second floor) enhancing comfort and privacy. The chef’s kitchen features a gas stove, cooking island, and SubZero refrigerator. Enjoy private balconies, a circular driveway, an attached 2-car garage with laundry, covered porches, and generous storage. Key Biscayne offers the ultimate family lifestyle with world-class amenities and a true sense of community.
Property Details
Map
Map
Features
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Bedroom Information
Total beds: 6Bathroom Information
Total Baths: 5 Full Baths: 5Roofing Information
BarrelFlooring Information
Marble -
Interior Features
BedroomOnMainLevel, BreakfastArea, DualSinks, EatInKitchen, FirstFloorEntry, Fireplace, GardenTubRomanTub, KitchenIsland, MainLevelPrimary, Pantry, SplitBedrooms, Skylights, SeparateShower, UpperLevelPrimary, WalkInClosetsRoof: BarrelAppliances: Dryer, Dishwasher, Disposal, GasRange, Refrigerator, WasherLaundry Features: InGarageWindow Features: Blinds, ImpactGlass, Skylights -
Heating & Cooling
Has Heating: Yes Heating: Central Has Cooling: Yes Cooling: CentralAir
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Building Information
Year Built: 1961Building Area Total: 4692Construction Materials: BlockStories: 2Patio And Porch Features: Balcony, Open, PatioPool Features: InGround, PoolPrivate Pool: NoView: Garden -
Exterior Features
Exterior Features: Balcony, Fence, Lighting, Patio
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Lot Information
Main Square Feet: 10000 Lot Size Square Feet: 10,000 Lot Description: LessThanQuarterAcreProperty Information
Subdivision: MASHTA ISLAND A REPLAT OF Source Property Type: Residential Postal Code Plus 4: 1732 Zoning Description: 2001 Property SubType: Single Family Residence Direction Faces: South Levels: Two Property Age: 65
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Listing Price Information
Listing Price: $5495000Cash, Conventional
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Tax Information
Parcel Number: 24-52-05-009-0350 Tax Year: 2024 Annual Tax: $50906 Tax Legal Desc: 5-6 55 42 MASHTA ISLAND A REPLAT OF TRS A B & C PB 65-65 LOT 15 BLK 4 LOT SIZE 100.000 X 100 OR 15512-3336 15586-1618 0492 4
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Virtual Tour
Parking Information
Attached, Covered, Driveway, Garage, Guest, GarageDoorOpenerGarage Information
Has Garage: Yes Has Attached Garage: Yes Garage Space: 2 Pets Allowed: NoPetRestrictions, Yes
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Utility Information
CableAvailable -
Location Information
WaterSource: Public
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 @ 13:45
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