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.
For sale
$5,799,000
669 S Mashta Dr, Key Biscayne, FL 33149
4beds
3,382sqft
Single Family Residence
Built in 1960
10,000 Square Feet Lot
$-- Zestimate®
$1,715/sqft
$-- HOA
What's special
Stunning mosaic-tiled poolBeautifully refurbished residenceTasteful modern finishes throughoutNew bathroomsUpdated flooringTropical surroundingsSpacious covered terrace
- 22 days |
- 715 |
- 10 |
Likely to sell faster than
Zillow last checked:
Listing updated:
Listed by:
Maureen Jauregui 305-798-3124,
Coldwell Banker Realty,
Emma Jauregui 786-201-1707,
Coldwell Banker Realty
Source: MIAMI,MLS#: A12033340
Originating MLS: A-Miami Association of REALTORS
Originating MLS: A-Miami Association of REALTORSLoading...
Facts & 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
Video & virtual tour
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: $1,715/sqft
- Tax assessed value: $3,532,833
- Annual tax amount: $22,013
- Date on market: 6/5/2026
- Listing terms: All Cash,Conventional
Estimated market value
Not available
Estimated sales range
Not available
Not available
Price history
| Date | Event | Price |
|---|---|---|
| 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 | $10,347 | -- |
Find assessor info on the county website
Monthly payment
Est. payment$--/mo
Payment breakdown
Explore the cost of this home by adjusting the details. Changes won't be saved.All calculations are estimates and provided by Zillow, Inc. for informational purposes only. Actual amounts may vary.
HOA fees may include property taxes on listings classified as Co-Ops. Contact the listing agent and/or owner for fee details.
Mortgage interest rates are dependent on a number of factors, including credit score, down payment, and repayment length. Interest rate data provided by Zillow Group Marketplace, Inc. as of 1/1/1970 from various mortgage lenders with which we have lead or other similar arrangements; the Estimated Payment is an average of those rates.
See how much you could borrow to make a competitive offer.
Climate risks
Neighborhood: 33149
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.
A local agent can set up tours, give advice and negotiate with sellers.
- Florida
- Miami-Dade County
- Key Biscayne
- 33149
- 669 S Mashta Dr
Nearby cities
Nearby zip codes
Other Key Biscayne Topics
