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House in Key Biscayne, FL 33149Mashta Island, 551 S Mashta Dr
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Closed
6
Beds5
Baths3,245
SqFt$1,448
$/SqFtSold - Jul 10, 2025
Ultra Luxury House
Built in 1961
2 Parking
Garden View
Detached, Mediterranean, Two Story
Balcony
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.
MLS Number: A11776724
On Site: 538 Days
Updated: 39 Days ago
Page Views: 0
Features
Bedrooms
- Bedrooms: 6
Bathrooms
- Bathrooms: 5
- Half Bathrooms: No info
Exterior and Lot Features
- Exterior Features: Balcony, Fence, Lighting, Patio
- View: Garden
Interior, Heating and Cooling
- Interior Features: BedroomOnMainLevel, BreakfastArea, DualSinks, EatInKitchen, FirstFloorEntry, Fireplace, GardenTubRomanTub, KitchenIsland, MainLevelPrimary, Pantry, SplitBedrooms, Skylights, SeparateShower, UpperLevelPrimary, WalkInClosets
- Equipment / Appliances: Dryer, Dishwasher, Disposal, GasRange, Refrigerator, Washer
- Heating Description: Central
- Cooling Description: CentralAir
Building and Construction
- Floor Description: Marble
- Windows/Treatment: Blinds, ImpactGlass, Skylights
- Year Built: 1961
- Year Built Description: Resale
- Style: Detached, Mediterranean, TwoStory
Waterfront and Water Access
- Waterfront Frontage: No info
School Information
Other Property Info
- Garage: 2
- Listing Date: 2025-04-15T14:27:37.000-00:00
- Directions: South
- Pets Allowed: No,Yes
Taxes, Fees & More
- Taxes: 50906
- Parking Description: Attached, Covered, Driveway, Garage, Guest, GarageDoorOpener
Apples-to-Apples Comparables
Price History
Current
$4.7M
High
$5.5M
Low
$4.7M
Total Change
-14.5%Date
Event
Price
Change
Price Per
07/10/2025
Sold
$4.7M
0%$1,448 ft2
$15,590 m2
04/03/2025
Price Reduced
$4.7M
-14.47%$1,448 ft2
$15,590 m2
04/03/2025
Listed
$5.5M
$1,693 ft2
$18,227 m2
07/10/2025
$4.7M
Event
Sold
Change
0%Price Per
$1,448 ft2
$15,590 m2
04/03/2025
$4.7M
Event
Price Reduced
Change
-14.47%Price Per
$1,448 ft2
$15,590 m2
04/03/2025
$5.5M
Event
Listed
Price Per
$1,693 ft2
$18,227 m2
Price per square foot and days on website are not provided values and are calculated by Subdivisions.
Listed by Joan Bruggink • One Sotheby's International Re • Buyer Agency Compensation .
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Scores
8
100
36
100
80
100
0
100
24
100
0
100
Community Snapshot
4 – 5 BR
Bedrooms
$6.4M – $19.9M
Price Tier
2,255 - 10,820
SqFt Range
1972
Year Build
1
Total Floors
71
Total Units
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