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$4,750,000

  • Sold
  • Closed
  • Single Family
  • 3 Beds
  • 3 Full Baths
  • 1 Partial Bath
  • 3,382 Sq. Ft.
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A beautifully reimagined home on one of Key Biscayne's most desirable streets, South Mashta Drive. With its bold charcoal facade and distinctive presence, this residence stands out immediately while maintaining a warm island charm that makes it feel welcoming from the moment you arrive. Surrounded by mature trees and lush greenery, the setting offers both atmosphere and privacy. Inside, vaulted ceilings and expansive windows fill the space with natural light, creating a soft and inviting ambiance. The great room features a stone fireplace, wide-plank wood floors, and a natural flow to the terrace and pool, bringing effortless connection between indoor comfort and outdoor enjoyment. Every space reflects a carefully curated, cozy feel that enhances the character of the home. The renovated master bathroom offers calming finishes and a serene atmosphere. A private suite provides the perfect accommodation for guests or extended family. Set on a generous 10,000 sq ft lot and enhanced with impact windows, updated lighting, a newer roof, and thoughtful design details, this residence blends timeless appeal, warmth, and the unique island charm that defines Key Biscayne living. A rare opportunity to own a home that feels both distinctive and deeply inviting, in one of the most coveted locations on the island.

Full Property Details for 669 S Mashta Dr

General

  • Sold For: $4,750,000
  • Taxes: $22,036 (2025)
  • Status: Closed
  • Type: Single Family
  • Source: Greater_Miami
  • MLS ID: A11922444
  • Added to Site: 92 day(s) ago

Interior

  • Interior Features: First Floor Entry, Den/Library/Office
  • Appliances: Bottled Gas, Dishwasher, Disposal, Dryer, Electric Water Heater, Microwave, Gas Range, Refrigerator, Washer
  • Furnishings: Unfurnished
  • Flooring: Marble, Wood

Rooms

Bathrooms

  • Total Bathrooms: 4
  • Full Bathrooms: 3
  • Half Bathrooms: 1
  • Primary Bathroom: Separate Tub & Shower

Bedrooms

  • Total Bedrooms: 3
  • Bedroom Features: Primary Bath Shower, Primary Bath Tub, Primary Bedroom Upstairs

Other Rooms

  • Living Room: Den/Library/Office Sq. Ft.
  • Dining Room: Formal Dining

Additional Information

  • Pool: Yes
  • Pool Description: In Ground

Exterior

  • Exterior Features: Lighting, Outdoor Shower
  • Deck/Patio: Patio

Parking

  • Parking Features: Driveway

Location

  • Area: Mashta Island
  • County: Miami-Dade County
  • Subdivision: MASHTA ISLAND
  • Building Name: MASHTA ISLAND
  • Driving Directions: Take Crandon Blvd south and turn right onto Harbor Drive. Follow Harbor Drive all the way to the end, where it becomes South Mashta Drive. Continue straight; the home will be on the left-hand side.
  • Direction Faces: West

School Information

  • Elementary School: Keybiscayne
  • Middle School: Ponce De Leon
  • High School: Coral Gables

Community

  • Community Name: Mashta Island
  • Association: Yes
  • Pets Allowed: Yes

Heating & Cooling

  • Air Conditioning: Yes
  • Cooling Type: Central Air, Electric
  • Heating Type: Central

Utilities

  • Sewer: Public Sewer
  • Water: Municipal Water

Structural Information

  • Architectural Style: Detached, Two Story
  • Structure Type: Pool Only, House
  • Detached/Attached: Detached
  • Construction: Concrete Block Construction
  • Roof: Other
  • Windows: Hurricane Shutters
  • Doors: High Impact Doors
  • Building Size: 3382
  • Square Feet: 3,382
  • Living Area: 3,382 Sq. Ft.
  • Year Built: 1960

Lot Features

  • Property View: Garden
  • Lot Size (Sq. Ft.): 10,000
  • Lot Features: 1/4 To Less Than 1/2 Acre Lot
  • Potential Use: Investment
  • Zoning: 2001

Financial Considerations

  • Price Per Sq. Ft.: $1,404.49
  • Assoc Fee Freq.: Monthly
  • Tax Amount: $22,036
  • Tax Year: 2025
  • Terms: All Cash, Conventional

Disclosures and Reports

  • Ownership: Limited Partnership
  • Legal Description: 5-6 55 42 MASHTA ISLAND PB 60-93 LOT 11 BLK 2 LOT SIZE 100.000 X 100 OR 19565-4268 03/2001 1
  • Restrictions: Ok To Lease
  • Inclusions: None
  • Property ID: 24-52-05-008-0180

Meet the selling agent

Meet the selling agent
— 669 S Mashta Dr —

Get Pre-Approved Today

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with our affiliated lender
NMLS#: 1598647

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Be ready to buy your new home!

with our affiliated lender
NMLS#: 1598647

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Schools serving 669 S Mashta Dr

School District:Dade County School District
NameGradesDistance
Key Biscayne K-8 Center
150 West McIntyre Street, Key Biscayne, FL 33149
PK-50.6 mi
Ponce De Leon Middle School
5801 Augusto Street, Coral Gables, FL 33146
6-86.4 mi
Coral Gables Senior High School
450 Bird Road, Coral Gables, FL 33146
9-126.4 mi
Disclaimer: School attendance boundaries provided by Pitney Bowes and are for reference only. Contact the school directly to verify enrollment eligibility.

Price & Sales History for 669 S Mashta Dr

Date
Details
Price
Change
Source
2/04/2026
Sold
$4,750,000
-4.04%
MLS
11/30/2025
Listed
$4,950,000
—
MLS
Disclaimer: Historical sales information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.

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669 S Mashta Dr, Key Biscayne, FL 33149 (MLS# A11922444) is a Single Family property that was sold at $4,750,000 on February 04, 2026. This property was sold by Maureen Jauregui from our Coldwell Banker Global Luxury Bayfront Office.Want to learn more about 669 S Mashta Dr? Do you have questions about finding other Single Family real estate for sale in Key Biscayne? You can browse all Key Biscayne real estate or contact a Coldwell Banker agent to request more information.