699 N Mashta Dr Key Biscayne FL 33149 MLS #A11815194

699 N Mashta Dr
Key Biscayne, FL, 33149
$22,500,000
4 Beds
4.5 Baths
3,241 SqFt
0 Acres
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$22,500,000
699 N Mashta Dr
Key Biscayne, FL, 33149
MLS #A11815194 image #0MLS #A11815194 image #1MLS #A11815194 image #2MLS #A11815194 image #3
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.

Property Details

Price:
$22,500,000
MLS #:
A11815194
Status:
Active
Beds:
4
Baths:
4.5
Type:
Single Family
Subtype:
Single Family Residence
Subdivision:
MASHTA ISLAND
Neighborhood:
mashtaisland
Listed Date:
Jun 3, 2025
Finished Sq Ft:
3,241
Total Sq Ft:
3,241
Year Built:
1965
WaterfrontPoolMashta IslandMashtaislandMashta IslandNo Restrictions

Schools

Interior

Appliances
Dishwasher, Disposal, Dryer, Electric Water Heater, Electric Range, Refrigerator, Washer
Bathrooms
4 Full Bathrooms, 1 Half Bathroom
Cooling
Central Air, Electric
Flooring
Wood
Heating
Central, Electric

Exterior

Architectural Style
Attached, One Story
Community Features
Boating
Construction Materials
Frame
Parking Features
Driveway
Roof
Wood Shake Roof
Security Features
Fire Alarm, Smoke Detector

Financial

HOA Frequency
Monthly
Tax Year
2024
Taxes
$99,176
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Current real estate data for Single Family in Key Biscayne as of Oct 21, 2025
51
Single Family Listed
191
Avg DOM
2,411
Avg $ / SqFt
$10,416,059
Avg List Price

Community

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Property Summary

    Located in the MASHTA ISLAND subdivision, 699 N Mashta Dr Key Biscayne FL is a Single Family for sale in Key Biscayne, FL, 33149. It is listed for $22,500,000 and features 4 beds, 5 baths, and has approximately 3,241 square feet of living space, and was originally constructed in 1965. The current price per square foot is $6,942. The average price per square foot for Single Family listings in Key Biscayne is $2,411. The average listing price for Single Family in Key Biscayne is $10,416,059.
699 N Mashta Dr
Key Biscayne, FL

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