The Trophy to a Boater's Dream on Mashta Island. What a Superb Location! Nestled on the N. side of Mashta Island in Key Biscayne, where privacy reigns. This rare gem features 100 linear ft of seawall with direct unobstructed access to Biscayne Bay and the Atlantic Ocean; perfect for boaters. The lot spans 15000 sf. It includes a Bali-style house built by Architect George Reed in 1965. The property also includes a pool, a 2 car covered carport. Whether renovating or building new, this is a once -in- a lifetime opportunity to own a prime waterfront on one of Key Biscayne's most prestigious streets. This is more than a home - it's a legacy property in one of Miami's most coveted island communities.
For sale
$25,000,000
699 N Mashta Dr, Key Biscayne, FL 33149
4beds
3,241sqft
Est.:
Single Family Residence
Built in 1965
0.34 Acres Lot
$-- Zestimate®
$7,714/sqft
$-- HOA
What's special
Prime waterfrontBali-style housePerfect for boaters
- 67 days
- on Zillow |
- 946 |
- 17 |
Zillow last checked: 7 hours ago
Listing updated: July 16, 2025 at 01:24pm
Listed by:
Maria Donnelly 305-790-8873,
BHHS EWM Realty
Source: MIAMI,MLS#: A11815194
Originating MLS: A-Miami Association of REALTORS

Travel times
Tour with a buyer's agent
Tour with a buyer's agent
Facts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 4
- Bathrooms: 5
- Full bathrooms: 4
- 1/2 bathrooms: 1
Rooms
- Room types: Den/Library/Office
Heating
- Central, Electric
Cooling
- Central Air, Electric
Appliances
- Included: Dishwasher, Disposal, Dryer, Electric Water Heater, Electric Range, Refrigerator, Washer
Features
- Pantry, Separate Guest/In-Law Quarters, Storage
- Flooring: Wood
- Doors: French Doors
- Windows: Complete Panel Shutters/Awnings, Hurricane Shutters
Interior area
- Total structure area: 3,241
- Total interior livable area: 3,241 sqft
Video & virtual tour
Property
Parking
- Total spaces: 2
- Parking features: Driveway
- Carport spaces: 2
- Has uncovered spaces: Yes
Features
- Stories: 1
- Has private pool: Yes
- Pool features: In Ground
- Has view: Yes
- View description: Bay, Water
- Has water view: Yes
- Water view: Bay,Water
- Waterfront features: Ocean Access, Seawall, WF/Pool/Ocean Access, Bay
- Frontage type: Bay/Harbor
- Frontage length: 0
Lot
- Size: 0.34 Acres
- Features: 1/4 To Less Than 1/2 Acre Lot
Details
- Parcel number: 2452050080050
- Zoning: 2001
Construction
Type & style
- Home type: SingleFamily
- Property subtype: Single Family Residence
Materials
- Frame
- Roof: Wood Shake Roof
Condition
- Year built: 1965
Utilities & green energy
- Sewer: Other
- Water: Municipal Water
Community & HOA
Community
- Features: Boating
- Security: Fire Alarm, Smoke Detector
- Subdivision: Mashta Island
HOA
- Has HOA: Yes
Location
- Region: Key Biscayne
Financial & listing details
- Price per square foot: $7,714/sqft
- Tax assessed value: $6,651,934
- Annual tax amount: $99,176
- Date on market: 6/3/2025
- Listing terms: All Cash,Conventional
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