Located on the exclusive and highly sought-after Mashta Island, this exceptional property offers a rare opportunity to build your dream home or enjoy the existing beautifully refurbished residence. The home features new bathrooms, updated flooring, and tasteful modern finishes throughout. Designed for relaxed Florida living, the spacious covered terrace overlooks a stunning mosaic-tiled pool, creating the perfect setting for entertaining or enjoying the tropical surroundings. A unique opportunity in one of Key Biscayne's most desirable neighborhoods. Easy to show.
Sold for $5,200,000
$5,200,000
669 S Mashta Dr, Key Biscayne, FL 33149
4beds
3,382sqft
Single Family Residence
Built in 1960
10,000 Square Feet Lot
$5,199,700 Zestimate®
$1,538/sqft
$23,702 Estimated rent
Home value
$5,199,700
$4.58M - $5.93M
$23,702/mo
Zestimate® history
Owner options
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$23,702/mo
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$23,702/mo
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$35,765/mo
Est. payment
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$35,765/mo
Est. payment
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List your homeWhat's special
Stunning mosaic-tiled poolBeautifully refurbished residenceTasteful modern finishes throughoutNew bathroomsUpdated flooringTropical surroundingsSpacious covered terrace
Zillow last checked:
Listing updated:
Listed by:
Maureen Jauregui 305-798-3124,
Coldwell Banker Realty,
Emma Jauregui 786-201-1707,
Coldwell Banker Realty
Bought with:
NON-MLS MEMBER
MAR NON MLS MEMBER
Source: MIAMI,MLS#: A12033340
Originating MLS: A-Miami Association of REALTORS
Originating MLS: A-Miami Association of REALTORSFacts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 4
- Bathrooms: 4
- Full bathrooms: 3
- 1/2 bathrooms: 1
Rooms
- Room types: Florida Room
Heating
- Heat Strip
Cooling
- Central Air
Appliances
- Included: Dishwasher, Disposal, Dryer, Gas Range, Refrigerator, Self Cleaning Oven, Oven, Washer
Features
- Roman Tub, Split Bedroom, Volume Ceilings
- Flooring: Vinyl
- Windows: Clear Impact Glass, Partial Accordian Shutters, Partial Impact Glass, Hurricane Shutters, Blinds, Impact Glass
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
- Patio & porch: Patio
- Exterior features: Outdoor Shower
- Has private pool: Yes
- Pool features: Above Ground, Pool Only
- Has view: Yes
- View description: Garden
Lot
- Size: 10,000 Square Feet
- Features: Less Than 1/4 Acre Lot
Details
- Parcel number: 2452050080180
- Zoning: 2001
Construction
Type & style
- Home type: SingleFamily
- Property subtype: Single Family Residence
Materials
- CBS Construction
- Roof: Tar/Gravel
Condition
- Year built: 1960
Utilities & green energy
- Electric: Circuit Breakers
- Sewer: Public Sewer
- Water: Municipal Water
Community & HOA
Community
- Features: HOA
- Security: Smoke Detector
- Subdivision: Mashta Island
HOA
- Has HOA: No
Location
- Region: Key Biscayne
Financial & listing details
- Price per square foot: $1,538/sqft
- Tax assessed value: $3,532,833
- Annual tax amount: $22,013
- Date on market: 6/5/2026
- Listing terms: All Cash,Conventional
Price history
| Date | Event | Price |
|---|---|---|
| 8/11/2026 | Sold | $5,200,000-10.3%$1,538/sqft |
Source:  MIAMI #A12033340 Report a problem | ||
| 7/31/2026 | Pending sale | $5,799,000$1,715/sqft |
Source: MIAMI #A12033340 Report a problem | ||
| 6/8/2026 | Listed for sale | $5,799,000+22.1%$1,715/sqft |
Source: MIAMI #A12033340 Report a problem | ||
| 2/4/2026 | Sold | $4,750,000-4%$1,404/sqft |
Source: MIAMI #A11922444 Report a problem | ||
| 1/8/2026 | Pending sale | $4,950,000$1,464/sqft |
Source: MIAMI #A11922444 Report a problem | ||
| 12/1/2025 | Listed for sale | $4,950,000+42.9%$1,464/sqft |
Source: MIAMI #A11922444 Report a problem | ||
| 6/27/2025 | Sold | $3,465,000-11.2%$1,025/sqft |
Source: MIAMI #A11729326 Report a problem | ||
| 6/17/2025 | Pending sale | $3,900,000$1,153/sqft |
Source: MIAMI #A11729326 Report a problem | ||
| 3/11/2025 | Price change | $3,900,000-9.2%$1,153/sqft |
Source: MIAMI #A11729326 Report a problem | ||
| 3/5/2025 | Price change | $4,295,000-4.3%$1,270/sqft |
Source: MIAMI #A11729326 Report a problem | ||
| 2/13/2025 | Price change | $4,490,000-10.1%$1,328/sqft |
Source: MIAMI #A11729326 Report a problem | ||
| 2/3/2025 | Listed for sale | $4,995,000$1,477/sqft |
Source: MIAMI #A11729326 Report a problem | ||
Public tax history
| Year | Property taxes | Tax assessment |
|---|---|---|
| 2025 | $22,931 +2.3% | $1,420,458 +2.9% |
| 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 homes
- $4,130,7004 bd4 ba2.6k sqft651 S Mashta Dr #651, Key Biscayne, FL 33149Off Market
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- $6,950,7006 bd7 ba4.8k sqft650 N Mashta Dr, Key Biscayne, FL 33149Off Market
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- $10,500,0005 bd6 ba5.9k sqft670 S Mashta Dr, Key Biscayne, FL 33149Sold
- $15,485,9005 bd7 ba8.3k sqft700 S Mashta Dr, Key Biscayne, FL 33149Off Market
Nearby schools
GreatSchools rating
- 8/10Key Biscayne K-8 CenterGrades: PK-8Distance: 0.6 mi
- 5/10Coral Gables Senior High SchoolGrades: PK,9-12Distance: 6.4 mi
- 6/10Ponce De Leon Middle SchoolGrades: 6-8Distance: 6.4 mi
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
$5,199,700
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
$5,199,700
- Florida
- Miami-Dade County
- Key Biscayne
- 33149
- 669 S Mashta Dr
Nearby cities
Nearby zip codes
Other Key Biscayne Topics
