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$5,282,014

Listing Price

3beds

3.5baths

3,382sqft

10,000sqft lot

669 S Mashta Dr, Key Biscayne, FL 33149

Member Features

Find Real Estate Bargain!

  • Full foreclosure details

  • Home value, equity and ownership info

  • Find homes priced below market

  • Get full access with a FREE Account

Already a member?

For Sale

Single Family

Home type

1561.8

Price / sqft

1960

Year built

Home Details

A beautifully reimagined home on one of Key Biscaynes most desirable streets, South Mashta Drive. With its bold charcoal faade 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.nnInside, 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.nnThe 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.nnA rare opportunity to own a home that feels both distinctive and deeply inviting, in one of the most coveted locations on the island.

Interior Details

Square Feet
  • 3382

Bedrooms
  • 3

Bathrooms
  • 3.5

Heating
  • Has Heating:

    No

  • Heating Type:

    N/A

Cooling
  • Has Cooling:

    No

  • Cooling Type:

    N/A

Fuel
  • Has Fuel:

    No

  • Fuel Type:

    N/A

Basement
  • Has Basement:

    No

  • Basement Type:

    N/A

Flooring
  • Has Flooring:

    No

  • Flooring Type:

    N/A

Fireplace
  • Has Fireplace:

    Yes

  • Fireplace Type:

    N/A

Property Details

Lot Size
  • 10000

Water
  • No

Sewer
  • No

Parking
  • Type:

    N/A

  • Location:

    N/A

  • Status:

    N/A

  • Number of Spaces:

    N/A

Deck
  • N/A

Patio
  • N/A

Fence
  • N/A

Pool
  • N/A

Porch
  • N/A

Stoop
  • N/A

Breezeway
  • N/A

Construction Details

Number of Stories
  • 2

Style
  • N/A

Exterior
  • Concrete Block

Foundation
  • N/A

Roof
  • N/A

Roofing Material
  • N/A

Tax History

Year

Amount

Land

Improvement

Percent Change

Assessment

2020

$19,963

$0

$0

--%

$1,245,846

2019

$19,550

$0

$0

--%

$1,217,836

2018

$18,517

$0

$0

--%

$1,195,129

2017

$18,287

$0

$0

--%

$1,170,548

2016

$18,353

$0

$0

--%

$1,146,473

2014

$18,903

$0

$0

--%

$1,129,469

2013

$18,537

$0

$0

--%

$1,112,778

2011

$17,903

$0

$0

--%

$1,062,308

percent-home-icon

Average Home Price in 33149

Nearby Properties

Zip Code

Price

Bed

Bath

Sqft

Lot

Sold Date

$19,900,000

3 Beds

4 Baths

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22,140 Lot (sqft)

Sold 10/27/2026

$3,562,500

4 Beds

3.5 Baths

3,356 Sqft

7,500 Lot (sqft)

Sold 10/26/2026

$3,446,819

5 Beds

6 Baths

3,495 Sqft

7,500 Lot (sqft)

Sold 10/27/2026

$9,500,000

5 Beds

4 Baths

3,405 Sqft

11,845 Lot (sqft)

Sold 09/29/2026

$3,523,383

3 Beds

2 Baths

3,197 Sqft

8,559 Lot (sqft)

Sold 10/27/2026

$5,282,014

3 Beds

3.5 Baths

3,382 Sqft

10,000 Lot (sqft)

Sold 10/13/2026

$13,250,000

4 Beds

4 Baths

3,620 Sqft

15,000 Lot (sqft)

Sold 07/10/2025

$4,650,000

6 Beds

6 Baths

3,436 Sqft

7,500 Lot (sqft)

Sold 09/29/2026

percent-home-icon

Calculators

Mortgage

Mortgage Calculator

Calculate your monthly mortgage payments.
Household Income
70,000
$
Home price
5,282,014
$
Down payment
1,056,402.8
$
Mortgage Rate
6.5
%
Loan Term
Property Tax Rate
1.1
%
Homeowner's Insurance (Annual)
31,692.08
$
HOA (Monthly)
0
$
PMI
0
$
$34,192
Your Payment
Total Monthly Payment:$34,192
Percent of Income:586%
Affordable:No

Details for 669 S MASHTA DR

Property Debt

Foreclosure Contact Details