669 S Mashta Dr

3,382 Sq. Ft.
$1,404 / Sq. Ft.
3,382
Sq. Ft.
$1,404
per Sq. Ft.

Description

A beautifully reimagined home on one of Key Biscayne’s most desirable streets, South Mashta Drive. With its bold charcoal façade 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....A beautifully reimagined home on one of Key Biscayne’s most desirable streets, South Mashta Drive. With its bold charcoal façade 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.
  1. Listed by Miriam Poggio • One Sotheby's International Realty
  2. Listed by Bautista Carugati • One Sotheby's International Realty

Property Details for 669 South Mashta Drive

Subdivision
MASHTA ISLAND
Style
Pool Only
Waterfront
No
View
Garden View
Furnished
Unfurnished
Area
52
Auction
No
Sq Ft Total
3382
LISTING UPDATED: 02/14/2026 06:42 PM

Property Details for 669 South Mashta Drive

StatusClosed
MLS #A11922444
Days on Market38
Taxes$22,036 / year
HOA Fees-
Condo/Co-op Fees-
Compass TypeSingle Family
MLS TypeSingle Family / Single
Year Built1960
Lot Size0.23 AC / 10,000 SF
CountyMiami-Dade County

Location

Listing Courtesy of One Sotheby's International Realty

Sold By Coldwell Banker Realty

Add your commute

Building Information for 669 South Mashta Drive

Stories2Year Built1960Building Size-Lot Size0.23 AC / 10,000 SF

Payment Calculator

$24,987 per month

30 year fixed, 6.15% Interest

Principal and Interest

$23,151

Property Taxes

$1,836

HOA Dues

$0

The Payment Calculator is for illustrative purposes only.

Property Information for 669 South Mashta Drive

Location Information
Schools
  • Elementary School: Keybiscayne
  • Middle School: Ponce De Leon
  • Senior High School: Coral Gables
Location Information
  • Parcel Number Free Text: 24-52-05-008-0180
  • Parcel Number MLX: 0180
  • MLS Area: 52
  • Municipal Code: 24
  • Township Range: 52
  • Section: 5
  • Subdivision Number: 8
  • Subdivision Complex Bldg: MASHTA ISLAND
  • Zoning Information: 2001
  • Neighborhoods: Mashta Island
General Information
Parking
  • Num Garage Spaces: 0
  • Num Carport Spaces: 0
  • Carport Spaces: 0
  • Parking Description: Driveway
General Information
  • Front Exposure: West
  • Housing Older Persons Act: Unverified
  • Approximate Lot Size: 10000
  • Property Sq Ft: 10000
  • Lot Description: 1/4 To Less Than 1/2 Acre Lot
  • Water Access: None
  • Pool: Yes
  • Pool Description: Below Ground Pool
  • Pool Dimensions: 00
  • Design: Detached
  • Design Description: Two Story
  • Construction: Concrete Block Construction
  • Construction Type: Concrete Block Construction
  • Roof Description: Other Roof
  • Flooring: Marble Floors, Wood Floors
  • Floor Description: Marble Floors, Wood Floors
  • 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.
Room Information
Room Information
  • Rooms Description: Den/Library/Office
  • Bedroom Description: Primary Bath Shower, Primary Bath Tub, Primary Bedroom Upstairs
  • Master Bathroom Description: Separate Tub & Shower
  • Master Bath Features: Separate Tub & Shower
  • Dining Description: Formal Dining
Additional Property Information
Utilities
  • Heating Description: Central Heat
  • Cooling Description: Central Cooling, Electric Cooling
  • Water Description: Municipal Water
  • Sewer Description: Municipal Sewer
  • Cable Available: Yes
Additional Property Information
  • Pets Allowed: Yes
  • Pets Allowed: Yes
  • Pet Restrictions: More Than 20 Lbs
  • Guest Accommodations: No
  • Num Ceiling Fans: 2
  • Room Count: 0
  • Furnished: Unfurnished
  • Interior Features: First Floor Entry
  • Equipment Appliances: Bottled Gas, Dishwasher, Disposal, Dryer, Electric Water Heater, Microwave, Gas Range, Refrigerator, Washer
  • Exterior Features: Exterior Lighting, High Impact Doors, Hurricane Shutters, Outdoor Shower, Patio
  • Subdivision Information: Other Subdiv/Park Info
Financial Information
Financial Information
  • Total Mortgage: $1,732,500
  • Type of Association: Other
  • Assoc Fee Paid Per: Monthly
  • Flood Zone: AE
  • Tax Year: 2025
  • Tax Information: Tax Reflects No Exemptions
  • Special Information: As Is
Rental Information
Furnished / Unfurnished
  • Furnished Info Sold: Unfurnished

Property History for 669 South Mashta Drive

DateEvent & SourcePriceAppreciation
Feb 4, 2026

Sold

MiamiRE #A11922444

$4,750,000
Jan 7, 2026

Pending

MiamiRE #A11922444

Jan 7, 2026

Backup Contract

MiamiRE #A11922444

Nov 30, 2025

Listed (Active)

MiamiRE #A11922444

$4,950,000
Jun 27, 2025

Sold

MiamiRE #A11729326

$3,465,000
Jun 26, 2025

Sold (Public Record)

Public Record #1905110033

$3,465,000

+5.6% / yr

Jun 10, 2025

Pending

MiamiRE #A11729326

Jun 10, 2025

Backup Contract

MiamiRE #A11729326

May 20, 2025

Listed (Active)

MiamiRE #A11729326

May 15, 2025

Pending

MiamiRE #A11729326

May 8, 2025

Backup Contract

MiamiRE #A11729326

Mar 11, 2025

Price Change

MiamiRE #A11729326

$3,900,000
Mar 5, 2025

Price Change

MiamiRE #A11729326

$4,295,000
Feb 13, 2025

Price Change

MiamiRE #A11729326

$4,490,000
Jan 9, 2025

Listed (Active)

MiamiRE #A11729326

$4,995,000
Mar 26, 2001

Sold (Public Record)

Public Record #70823962

$929,000
DateEvent & SourcePrice
02/04/2026

Sold

MiamiRE #A11922444

$4,750,000
01/07/2026

Pending

MiamiRE #A11922444

01/07/2026

Backup Contract

MiamiRE #A11922444

11/30/2025

Listed (Active)

MiamiRE #A11922444

$4,950,000
06/27/2025

Sold

MiamiRE #A11729326

$3,465,000
06/26/2025

Sold (Public Record)

Public Record #1905110033

$3,465,000

+5.6% / yr

06/10/2025

Pending

MiamiRE #A11729326

06/10/2025

Backup Contract

MiamiRE #A11729326

05/20/2025

Listed (Active)

MiamiRE #A11729326

05/15/2025

Pending

MiamiRE #A11729326

05/08/2025

Backup Contract

MiamiRE #A11729326

03/11/2025

Price Change

MiamiRE #A11729326

$3,900,000
03/05/2025

Price Change

MiamiRE #A11729326

$4,295,000
02/13/2025

Price Change

MiamiRE #A11729326

$4,490,000
01/09/2025

Listed (Active)

MiamiRE #A11729326

$4,995,000
03/26/2001

Sold (Public Record)

Public Record #70823962

$929,000

For completeness, Compass often displays two records for one sale: the MLS record and the public record.

Public Records for 669 South Mashta Drive

Taxable ValueLand-Additions-Total-
Tax Record2025$22,931 ($1,911 / month)
Home Facts
Beds3Total Finished SqFt3,382 SqFtAbove Grade Finished SqFt3,382 SqFtStories2Lot Size10,000 SqFtStyleSingle Family ResidenceYear Built1960Year Renovated1968Zoning2001CountyMIAMI-DADEAPN24-5205-008-0180

Schools near 669 South Mashta Drive

This home is within Miami-Dade County Public Schools.
Rating
School
Type
Grades
Distance
Public - PK to 8
Public - PK to 8
Public - 6 to 8
Public - 9 to 12
Rating
School
Distance
Key Biscayne K-8 Center
PublicPK to 8

Ponce De Leon Middle School
Public6 to 8

Robert Morgan Voc-Tech Institute
Public9 to 12

School ratings and boundaries are provided by GreatSchools.org and Pitney Bowes. This information should only be used as a reference. Proximity or boundaries shown here are not a guarantee of enrollment. Please reach out to schools directly to verify all information and enrollment eligibility.

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Listing Courtesy of One Sotheby's International Realty

Based on information from one of the following Multiple Listing Services: Beaches Multiple Listing Service, Inc., Martin County REALTORS® of the Treasure Coast, Inc., Miami Association of REALTORS®. Information being provided is for the visitor’s personal, noncommercial use and may not be used for any purpose other than to identify prospective properties visitor may be interested in purchasing. The data contained herein is copyrighted by Beaches Multiple Listing Service, Inc., Martin County REALTORS® of the Treasure Coast, Inc., Miami Association of REALTORS® is protected by all applicable copyright laws. Any dissemination of this information is in violation of copyright laws and is strictly prohibited. Property information referenced on this web site comes from the Internet Data Exchange (IDX) program of the MLS. This web site may reference real estate listing(s) held by a brokerage firm other than the broker and/or agent who owns this web site. For the avoidance of doubt, the accuracy of all information, regardless of source, is deemed reliable but not guaranteed and should be personally verified through personal inspection by and/or with the appropriate professionals.