Your tropical private retreat on exclusive Mashta Island. This 6 bed / 5 bath, 3,245 SF Mediterranean villa sits on a spacious 10,000 SF lot with lush landscaping, a resort-style pool, and a private cabana guest suite. Interiors with soaring 10-foot ceilings flow seamlessly to the outdoors, perfect for entertaining and relaxed island living. Intentionally designed with two primary suites (first floor and second floor) enhancing comfort and privacy. The chef’s kitchen features a gas stove, cooking island, and SubZero refrigerator. Enjoy private balconies, a circular driveway, an attached 2-car garage with laundry, covered porches, and generous storage. Key Biscayne offers the ultimate family lifestyle with world-class amenities and a true sense of community.
Sold for $4,700,000
$4,700,000
551 S Mashta Dr, Key Biscayne, FL 33149
6beds
3,245sqft
Single Family Residence
Built in 1961
10,000 Square Feet Lot
$5,598,100 Zestimate®
$1,448/sqft
$28,029 Estimated rent
Home value
$5,598,100
$4.87M - $6.49M
$28,029/mo
Zestimate® history
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$28,029/mo
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$28,029/mo
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$32,326/mo
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$32,326/mo
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List your homeWhat's special
Resort-style poolTwo primary suitesCovered porchesGenerous storagePrivate balconiesPrivate cabana guest suiteLush landscaping
Zillow last checked:
Listing updated:
Listed by:
Joan Bruggink 786-332-1781,
One Sotheby's International Realty
Bought with:
Joan Bruggink, 3270204
One Sotheby's International Realty
Source: MIAMI,MLS#: A11776724
Originating MLS: A-Miami Association of REALTORS
Originating MLS: A-Miami Association of REALTORSFacts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 6
- Bathrooms: 5
- Full bathrooms: 5
Rooms
- Room types: Den/Library/Office, Family Room
Heating
- Central
Cooling
- Central Air
Appliances
- Included: Dishwasher, Disposal, Dryer, Gas Range, Refrigerator, Washer
- Laundry: In Garage
Features
- Kitchen Island, Pantry, Roman Tub, Split Bedroom, Walk-In Closet(s)
- Flooring: Marble
- Windows: Complete Impact Glass, Skylight(s), Blinds
- Has fireplace: Yes
Interior area
- Total structure area: 4,692
- Total interior livable area: 3,245 sqft
Property
Parking
- Total spaces: 2
- Parking features: Covered, Driveway, Guest, Garage Door Opener
- Attached garage spaces: 2
- Has uncovered spaces: Yes
Features
- Stories: 2
- Entry location: First Floor Entry
- Patio & porch: Patio
- Exterior features: Lighting, Balcony
- Has private pool: Yes
- Pool features: In Ground, Pool Only
- Fencing: Fenced
- Has view: Yes
- View description: Garden
Lot
- Size: 10,000 Square Feet
- Features: Less Than 1/4 Acre Lot
Details
- Additional structures: Guest House
- Parcel number: 2452050090350
- Zoning: 2001
Construction
Type & style
- Home type: SingleFamily
- Architectural style: Mediterranean
- Property subtype: Single Family Residence
Materials
- CBS Construction
- Roof: Barrel Roof
Condition
- Year built: 1961
Utilities & green energy
- Sewer: Public Sewer
- Water: Municipal Water
Community & HOA
Community
- Features: Beach Club Member Available
- Subdivision: Mashta Island A Replat Of
HOA
- Has HOA: No
Location
- Region: Key Biscayne
Financial & listing details
- Price per square foot: $1,448/sqft
- Tax assessed value: $3,773,709
- Annual tax amount: $50,906
- Date on market: 4/15/2025
- Listing terms: All Cash,Conventional
Price history
| Date | Event | Price |
|---|---|---|
| 7/10/2025 | Sold | $4,700,000-14.5%$1,448/sqft |
Source:  MIAMI #A11776724 Report a problem | ||
| 4/15/2025 | Listed for sale | $5,495,000+89.5%$1,693/sqft |
Source: MIAMI #A11776724 Report a problem | ||
| 1/26/2024 | Listing removed | -- |
Source: MIAMI #A11518977 Report a problem | ||
| 1/22/2024 | Listed for rent | $19,000-2.6%$6/sqft |
Source: MIAMI #A11518977 Report a problem | ||
| 1/16/2024 | Listing removed | -- |
Source: MIAMI #A11408816 Report a problem | ||
| 11/7/2023 | Price change | $19,500-7.1%$6/sqft |
Source: MIAMI #A11408816 Report a problem | ||
| 10/12/2023 | Listed for rent | $21,000-4.5%$6/sqft |
Source: MIAMI #A11408816 Report a problem | ||
| 10/12/2023 | Listing removed | -- |
Source: Zillow Rentals Report a problem | ||
| 9/13/2023 | Price change | $22,000-12%$7/sqft |
Source: MIAMI #A11408816 Report a problem | ||
| 7/16/2023 | Listed for rent | $25,000+100%$8/sqft |
Source: MIAMI #A11408816 Report a problem | ||
| 8/13/2019 | Sold | $2,900,000-1.3%$894/sqft |
Source: Public Record Report a problem | ||
| 1/12/2017 | Sold | $2,937,500-8.1%$905/sqft |
Source: Public Record Report a problem | ||
| 12/12/2016 | Pending sale | $3,195,000$985/sqft |
Source: London Real Estate Co. #A10035933 Report a problem | ||
| 10/3/2014 | Listing removed | $12,500$4/sqft |
Source: London Real Estate Co. #A1941370 Report a problem | ||
| 8/19/2014 | Price change | $12,500-10.7%$4/sqft |
Source: London Real Estate Co. #A1941370 Report a problem | ||
| 4/27/2014 | Listed for rent | $14,000$4/sqft |
Source: London Real Estate Co. #A1941370 Report a problem | ||
Public tax history
| Year | Property taxes | Tax assessment |
|---|---|---|
| 2025 | $54,871 +7.8% | $3,170,313 +10% |
| 2024 | $50,907 +3.2% | $2,882,103 +10% |
| 2023 | $49,328 +19.3% | $2,620,094 +10% |
| 2022 | $41,335 +12.5% | $2,381,904 +10% |
| 2021 | $36,734 +2.4% | $2,165,368 -0.2% |
| 2020 | $35,876 +3.7% | $2,170,395 +2.1% |
| 2019 | $34,591 -2.4% | $2,126,609 -5.5% |
| 2018 | $35,430 | $2,251,136 -0.3% |
| 2017 | $35,430 -2.9% | $2,257,502 -0.2% |
| 2016 | $36,480 +3.3% | $2,261,094 +8.3% |
| 2015 | $35,311 +174.2% | $2,087,668 +167.3% |
| 2014 | $12,876 +3.2% | $780,926 +1.5% |
| 2013 | $12,472 +0% | $769,386 +1.7% |
| 2012 | $12,472 +2.4% | $756,526 +3% |
| 2011 | $12,184 -5.4% | $734,492 +1.5% |
| 2010 | $12,880 +8% | $723,638 +2.7% |
| 2009 | $11,923 +3.3% | $704,614 +7% |
| 2007 | $11,543 -6.6% | $658,409 |
| 2006 | $12,363 | -- |
| 2005 | $12,363 +19.8% | -- |
| 2004 | $10,321 +3.6% | -- |
| 2003 | $9,960 +3.1% | -- |
| 2002 | $9,658 | -- |
| 2001 | $9,658 | -- |
Find assessor info on the county website
Neighborhood: 33149
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Nearby schools
GreatSchools rating
- 8/10Key Biscayne K-8 CenterGrades: PK-8Distance: 0.6 mi
- 5/10Coral Gables Senior High SchoolGrades: PK,9-12Distance: 6.5 mi
- 6/10Ponce De Leon Middle SchoolGrades: 6-8Distance: 6.5 mi
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Estimated market value
$5,598,100
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Find out how much your home could sell for in as little as 3 minutes with a no-obligation cash offer.
Estimated market value
$5,598,100
- Florida
- Miami-Dade County
- Key Biscayne
- 33149
- 551 S Mashta Dr
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