House in Key Biscayne, FL 33149Mashta Island, 571 S Mashta Dr






$6,350,000
4
Beds3
Baths2,761
SqFt$2,300
$/SqFtUltra Luxury HouseProperty Type
1964Year Built
$2,300/SqFtPrice per sq ft
2 carsParking Spaces
Detached, One StoryStyle
BarbecueExterior Features
Enjoy your own paradise in the paradise—an exceptional, move-in-ready residence on prestigious Mashta Island, one of Key Biscayne's most exclusive and tranquil enclaves. Beautifully remodeled and designed for relaxed yet sophisticated island living, this home offers exceptional indoor and outdoor spaces to enjoy with family and friends. Outdoor living takes center stage with a heated pool and spectacular covered entertainment area featuring a custom BBQ, grill, sink, granite counters and seating for up to 12 guests—the perfect setting for weekend gatherings, celebrations and year-round enjoyment of the Key Biscayne lifestyle. Bright, inviting interiors feature a spacious open layout that seamlessly connects the living, dining and kitchen areas. The impressive chef's kitchen is equipped with premium Viking appliances, generous cooking island and abundant granite counter space. Marble flooring enhances the main living areas, while warm wood floors add character to the private bedroom spaces. The primary suite opens directly to the pool area and features a large walk-in closet and a luxurious bath with steam shower. The property is on a 10,000 SF lot with an ample circular driveway, covered garage for two vehicles and a large additional side parking.
Listing Courtesy Of: HR 19 Realty LLC
Local Realty Services Provided By: Best of Luxury Realty
On Site: 59 DaysUpdated: 57 Days agoPage Views: 0
Features
MLS Number: A12076783
Bedrooms
- Bedrooms: 4
Bathrooms
- Bathrooms: 3
- Half Bathrooms: No info
Exterior and Lot Features
- Exterior Features: Barbecue, Deck, Fence, Lighting, OutdoorGrill, Porch, Shed
- View: None
Interior, Heating and Cooling
- Interior Features: BreakfastBar, BuiltInFeatures, BedroomOnMainLevel, ClosetCabinetry, DiningArea, SeparateFormalDiningRoom, FirstFloorEntry, Fireplace, KitchenIsland, MainLevelPrimary, SittingAreaInPrimary, ShowerOnly, Bar, WalkInClosets
- Equipment / Appliances: BuiltInOven, Dryer, Dishwasher, ElectricRange, Freezer, Disposal, GasRange, GasWaterHeater, IceMaker, Microwave, Refrigerator, WineCooler, Washer
- Heating Description: Central,Electric
- Cooling Description: CentralAir,Electric
Building and Construction
- Floor Description: CeramicTile, Marble, Parquet
- Windows/Treatment: Blinds,ImpactGlass
- Year Built: 1964
- Year Built Description: Effective Year Built
- Style: Detached,OneStory
Waterfront and Water Access
- Waterfront Frontage: No info
School Information
- Elementary School: Keybiscayne
- Middle School: Ponce De Leon
- Senior High School: Mast Academy
Other Property Info
- Garage: 2
- Listing Date: 2026-08-28T16:17:21.000-00:00
- Directions: Southwest
- Pets Allowed: CatsOk,DogsOk,Yes
Taxes, Fees & More
- Taxes: 55539
- Parking Description: Attached, Driveway, Garage, GarageDoorOpener
Apples-to-Apples Comparables
Price History
Date
Event
Price
Change
Price Per
08/29/2026
Listed
$6.4M
$2,300 ft2
$24,756 m2
08/29/2026
$6.4M
Event
Listed
Price Per
$2,300 ft2
$24,756 m2
Price per square foot and days on website are not provided values and are calculated by Subdivisions.
Listed by Adolfo Yanes Luciani • HR 19 Realty LLC • Buyer Agency Compensation .
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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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