Waterfront. Located on Mashta Island and island within an island in Key Biscayne. The minute you walk into the house the most breathtaking Biscayne Bay views welcomes you. Breathtaking sunsets.Oversized Lot:18,300-sq.ft. 2 story home with excellent floor plan,Large living room area w/double height ceilings, family room adjacent to Kitchen area. Large dining area w/direct water views & access to pool area. 2nd floor: Master suite & 3 additional bedrooms en suite Master suite w/balcony & large walk in closet .1st floor Guest suite.Water views from every room, dining & reception area.Gazebo by the water.Open kitchen. staff area.powder room.oversized pool w/Cabana room &cabana bath.Double access ( service access &main access) Lush garden offers total privacy . Enclosed two car garage.
Under contract
$19,000,000
510 S Mashta Dr, Key Biscayne, FL 33149
5beds
5,226sqft
Est.:
Single Family Residence
Built in 1981
0.42 Acres Lot
$-- Zestimate®
$3,636/sqft
$-- HOA
What's special
Breathtaking biscayne bay viewsDouble height ceilingsOversized lotOversized poolOpen kitchen
- 50 days
- on Zillow |
- 675 |
- 22 |
Zillow last checked: 7 hours ago
Listing updated: May 13, 2025 at 02:16pm
Listed by:
Brigitte De Langeron 305-244-7493,
DLS International Realty
Source: MIAMI,MLS#: A11782312
Originating MLS: A-Miami Association of REALTORS

Travel times
Facts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 5
- Bathrooms: 7
- Full bathrooms: 6
- 1/2 bathrooms: 1
Rooms
- Room types: Den/Library/Office, Family Room, Media Room
Heating
- Central, Electric
Cooling
- Central Air, Electric
Appliances
- Included: Dishwasher, Refrigerator
Features
- Built-in Features, Closet Cabinetry, Split Bedroom, Volume Ceilings, Separate Guest/In-Law Quarters, Storage
- Flooring: Marble, Wood
Interior area
- Total structure area: 5,992
- Total interior livable area: 5,226 sqft
Video & virtual tour
Property
Parking
- Total spaces: 2
- Parking features: Additional Spaces Available, Circular Driveway, Driveway, Garage Door Opener
- Attached garage spaces: 2
- Has uncovered spaces: Yes
Features
- Stories: 2
- Entry location: First Floor Entry
- Patio & porch: Deck
- Has private pool: Yes
- Pool features: In Ground
- Has view: Yes
- View description: Bay, Garden
- Has water view: Yes
- Water view: Bay
- Waterfront features: Ocean Access, Ocean Front, WF/Pool/Ocean Access
- Frontage length: 0
Lot
- Size: 0.42 Acres
- Features: 1/4 To Less Than 1/2 Acre Lot
Details
- Parcel number: 2452050090190
- Zoning: 2001
Construction
Type & style
- Home type: SingleFamily
- Property subtype: Single Family Residence
Materials
- CBS Construction
- Roof: Barrel Roof
Condition
- Year built: 1981
Utilities & green energy
- Sewer: Public Sewer
- Water: Municipal Water
Community & HOA
Community
- Features: Other, Other Subdiv/Park Info
- Security: Smoke Detector
- Subdivision: Mashta Island A Replat Of
HOA
- Has HOA: No
Location
- Region: Key Biscayne
Financial & listing details
- Price per square foot: $3,636/sqft
- Tax assessed value: $11,575,809
- Annual tax amount: $172,413
- Date on market: 4/11/2025
- Listing terms: All Cash,Conventional
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