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Sold for $4,750,000
  • $4,750,000

    669 S Mashta Dr, Key Biscayne, FL 33149

    3beds
    3,382sqft
    Single Family Residence
    Built in 1960
    10,000 Square Feet Lot
    $4,743,300 Zestimate®
    $1,404/sqft
    $23,702 Estimated rent

    Home value

    $4,743,300

    $4.17M - $5.41M

    $23,702/mo

    Zestimate® history
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    What's special

    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.

    Zillow last checked: 7 hours ago

    Listing updated: February 14, 2026 at 03:43pm

    Listed by:

    Miriam Poggio 786-356-2610,

    One Sotheby's International Realty,

    Bautista Carugati 305-333-3016,

    One Sotheby's International Realty

    Bought with:

    Maureen Jauregui, 0549977

    Coldwell Banker Realty

    Source: MIAMI,MLS#: A11922444MLS LogoOriginating MLS: A-Miami Association of REALTORS

    Facts & features

    Interior

    Bedrooms & bathrooms
    • Bedrooms: 3
    • Bathrooms: 4
    • Full bathrooms: 3
    • 1/2 bathrooms: 1
    Heating
    • Central
    Cooling
    • Central Air, Electric
    Appliances
    • Included: Bottled Gas, Dishwasher, Disposal, Dryer, Electric Water Heater, Microwave, Gas Range, Refrigerator, Washer
    Features
    • Flooring: Marble, Wood
    • Doors: High Impact Doors
    • Windows: Hurricane Shutters
    Interior area
    • Total structure area: 3,382
    • Total interior livable area: 3,382 sqft

    Property

    Parking
    • Parking features: Driveway
    • Has uncovered spaces: Yes
    Features
    • Stories: 2
    • Entry location: First Floor Entry
    • Patio & porch: Patio
    • Exterior features: Lighting, Outdoor Shower
    • Has private pool: Yes
    • Pool features: In Ground, Pool Only
    • Has view: Yes
    • View description: Garden
    Lot
    • Size: 10,000 sqft
    • Features: 1/4 To Less Than 1/2 Acre Lot
    Details
    • Parcel number: 2452050080180
    • Zoning: 2001

    Construction

    Type & style
    • Home type: SingleFamily
    • Property subtype: Single Family Residence
    Materials
    • Concrete Block Construction
    • Roof: Other
    Condition
    • Year built: 1960

    Utilities & green energy

    • Gas: Bottled Gas
    • Sewer: Public Sewer
    • Water: Municipal Water

    Community & neighborhood

    Community
    • Community features: Other, Other Subdiv/Park Info
    Location
    • Region: Key Biscayne
    • Subdivision: Mashta Island

    HOA & financial

    HOA
    • Has HOA: Yes

    Other

    Other facts
    • Listing terms: All Cash,Conventional
    • Ownership: Limited Partnership

    Price history

    DateEventPrice
    2/4/2026Sold$4,750,000-4%$1,404/sqft
    Source: MIAMI #A11922444 Report a problem
    1/8/2026Pending sale$4,950,000$1,464/sqft
    Source: MIAMI #A11922444 Report a problem
    12/1/2025Listed for sale$4,950,000+42.9%$1,464/sqft
    Source: MIAMI #A11922444 Report a problem
    6/27/2025Sold$3,465,000-11.2%$1,025/sqft
    Source: MIAMI #A11729326 Report a problem
    6/17/2025Pending sale$3,900,000$1,153/sqft
    Source: MIAMI #A11729326 Report a problem
    3/11/2025Price change$3,900,000-9.2%$1,153/sqft
    Source: MIAMI #A11729326 Report a problem
    3/5/2025Price change$4,295,000-4.3%$1,270/sqft
    Source: MIAMI #A11729326 Report a problem
    2/13/2025Price change$4,490,000-10.1%$1,328/sqft
    Source: MIAMI #A11729326 Report a problem
    2/3/2025Listed for sale$4,995,000$1,477/sqft
    Source: MIAMI #A11729326 Report a problem

    Public tax history

    YearProperty taxesTax assessment
    2024$22,405 +1.3%$1,380,426 +3%
    2023$22,116 +4.3%$1,340,220 +3%
    2022$21,199 -0.2%$1,301,185 +3%
    2021$21,242 +6.4%$1,263,287 +1.4%
    2020$19,964 +2.1%$1,245,846 +2.3%
    2019$19,550 +5.6%$1,217,836 +1.9%
    2018$18,517 $1,195,129 +2.1%
    2017$18,517 +1.3%$1,170,548 +2.1%
    2016$18,288 -1.8%$1,146,473 +0.7%
    2015$18,616 -1.5%$1,138,504 +0.8%
    2014$18,903 +3.2%$1,129,469 +1.5%
    2013$18,321 0%$1,112,778 +1.7%
    2012$18,321 +2.3%$1,094,177 +3%
    2011$17,903 -5.5%$1,062,308 +1.5%
    2010$18,940 +8%$1,046,609 +2.7%
    2009$17,539 +3.9%$1,019,094 +5.8%
    2007$16,874 -6.7%$963,424
    2006$18,088 --
    2005$18,088 +1.2%--
    2004$17,867 -0.7%--
    2003$17,999 +74%--
    2002$10,347 --
    2001$10,347 --

    Find assessor info on the county website

    Neighborhood: 33149

    Nearby schools

    GreatSchools rating
    Schools provided by the listing agent
    • Elementary: Keybiscayne
    • Middle: Ponce De Leon
    • High: Coral Gables

    Source: MIAMI. This data may not be complete. We recommend contacting the local school district to confirm school assignments for this home.

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    Estimated market value
    $4,743,300
    Get a cash offer in 3 minutes
    Find out how much your home could sell for in as little as 3 minutes with a no-obligation cash offer.
    Estimated market value
    $4,743,300