Tour
#A11795209, Daniela Gonzalez Marino, Listing office: BHHS EWM Realty
$5,495,000 List price
551 S Mashta Dr Key Biscayne, FL 33149
6 beds
5 full
3,245 sqft
$1,693 / sqft
House
Property details
About 551 S Mashta Dr
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.
Highlights
Home typeSingle Family Residence
HeatingCentral
StatusAccepting Backup Offers
(Active Under Contract)
(Active Under Contract)
CoolingCentral Air
Size3,245 sqft
Year built1961
ParkingAttached, Covered, Driveway, Garage, Guest, Garage Door Opener
MLS #A11776724
Attached garage2 spaces
ViewGarden
Virtual tour
Summary
- Full Bathrooms: 5
- Appliances: Dryer, Dishwasher, Disposal, Gas Range, Refrigerator, Washer
- Flooring Type: Marble
- Interior: Bedroom on Main Level, Breakfast Area, Dual Sinks, Eat-in Kitchen, First Floor Entry, Fireplace, Garden Tub/Roman Tub, Kitchen Island, Main Level Primary, Pantry, Split Bedrooms, Skylights, Separate Shower, Upper Level Primary, Walk-In Closet(s)
- Total Bedroom Count: 6
- Garage Space: 2 spaces
- Attached Garage: Yes
- Parking: Attached, Covered, Driveway, Garage, Guest, Garage Door Opener
- View: Garden
- Exterior: Balcony, Fence, Lighting, Patio
- Architectural Style: Detached, Mediterranean, Two Story
- Heating: Central
- Cooling: Central Air
- List Price: $5,495,000
- Price/SqFt: $1,693
- Annual Tax Amount: $49,328
- Tax Year: 2023
- Year Built: 1961
- Stories: 2
- Living Area: 3,245 SqFt
- MLS Number: A11776724
- MLS Name: SEFMIAMI
- Office Name: One Sotheby's International Re
- Office Phone: (305) 538-9711
- Office Email: MLS@onesothebysrealty.com
- Listing Agent: Joan Bruggink
© 2025 Miami Association of REALTORS®. All rights reserved. The data relating to real estate on this web site comes in part from the Internet Data Exchange program of the MLS of the Miami Association of REALTORS®. All information is deemed reliable but not guaranteed by the MLS and should be independently verified. The MLS, this broker and their affiliates provide all content therein “AS IS” and without any warranty, express or implied. The information included in this listing is provided exclusively for consumers’ personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. This property is offered without respect to any protected classes in accordance with the law.
Data displayed may be a portion of, and not a complete set of all listings published in the MLS.
Last updated on: 6/17/2025, 9:45:29 AM Eastern. If you have any questions regarding the accuracy of this data, please contact us at help@rockethomes.com.
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Price information
Property sales
We're sorry, we currently don't have property sales data for this listing.
Tax history
| Year | Assessment | Property Tax |
|---|---|---|
| 2023 | $3,531,817 | $49,328 |
| 2022 | $2,735,880 | $41,334 |
| 2021 | $2,165,368 | $41,334 |
| 2020 | $2,170,395 | $36,733 |
| 2018 | $2,251,136 | $35,429 |
| 2017 | $2,257,502 | $36,479 |
History based on county public records data.
Nearby schools
8
Key Biscayne K-8 Center
Public District PK-5
0.6 mi
•150 W McIntyre St
9
Coconut Grove Elementary School
Public District PK-5
5.3 mi
•3351 Matilda St
7
Southside Elementary School
Public Magnet PK-5
5.5 mi
•45 SW 13th St
School ratings are a score out of 10, where 10 is the highest and 1 is the lowest.
Neighborhood
The neighbors living near this home have an average income of $134,750. The majority of Key Biscayne, FL residents have income between $100k-200k annually. Residents typically live in married, no kids family. Most residents in this area have post secondary degree education.
How much money do the neighbors make?
14%
<35k
13%
35k-100k
47%
100k-200k
26%
200k+
What level of education do the neighbors have?
High School Diploma
Post Secondary Degree
Masters Degree
Doctorate
What types of families live nearby?
18%
Single, No Kids
6%
Single, with Kids
39%
Married, No Kids
37%
Married, with Kids
Are the neighbors home owners or renters?
Home Owners
Renters
How old are people in this area?
14%
<11 yrs old
12%
12-17 yrs old
14%
18-34 yrs old
46%
35-64 yrs old
14%
65+ yrs old
What do the neighbors do for fun?
Skiing/snowboarding
Men's Tennis- Tennis
Where do the neighbors shop?
Nordstrom
Bloomingdales
Brooks Brothers
Where do the neighbors go to eat?
California Pizza Kitchen
Bonefish Grill
Qdoba
What do the neighbors drive?
BMW
Lexus
Acura
What do the neighbors listen to?
Talk/Personality
News
Sports
All data provided by Home Junction and Claritas
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Frequently asked questions
About 551 S Mashta Dr
The listing price of 551 S Mashta Dr property is $5,495,000.
The property 551 S Mashta Dr is a house located in Key Biscayne, Florida, 33149.
Accepting Backup Offers: 551 S Mashta Dr is Accepting Backup Offers (Active Under Contract), there is still a chance to have your real estate agent submit an offer.
The nearby schools for 551 S Mashta Dr are: Key Biscayne K-8 Center (GreatSchools Rating 8/10), Coconut Grove Elementary School (GreatSchools Rating 9/10), Southside Elementary School (GreatSchools Rating 7/10), Mater Grove Academy (GreatSchools Rating 7/10), Shenandoah Middle School (GreatSchools Rating 5/10), George Washington Carver Middle School (GreatSchools Rating 10/10), Mast Academy (GreatSchools Rating 10/10), New World School of the Arts (GreatSchools Rating 9/10), School for Advanced Studies-Wolfson (GreatSchools Rating 10/10).
According to the records, the last property tax for 2023 is $49,328 (source: MLS/based on county public records data).
The property at 551 S Mashta Dr has 6 bedrooms and 5 bathrooms.
The property 551 S Mashta Dr is 3,245 SqFt (source: MLS/tax record).
The year of construction for 551 S Mashta Dr is 1961.
This home is located at 551 S Mashta Dr in Key Biscayne, FL and zip code 33149. This 3,245 square foot home was built in 1961. Features: 6 bedrooms, 5 bathrooms. It has been listed on Rocket Homes since April 16, 2025 and is currently priced at $5,495,000.
Over 1 listings were sold over their listed price in May 2025 in Key Biscayne, FL. In the same period over 12 listings were sold below the listed price and 0 listings were sold for the listed price. The inventory of homes for sale in Key Biscayne, FL between April and May 2025 increased by 1.5%. Listings spent 112 days on the market in May 2025, and had a median list price of $1,395,000 during the same period.
From Rocket Homes Real Estate and based on county public records data.