#A11641157, Carlos Mandiola, Listing office: Coldwell Banker Realty

631 N Mashta Dr Key Biscayne, FL 33149
Property details
About 631 N Mashta Dr
BRING ALL OFFERS - Waterfront Dream Home in the Making!Key Biscayne's Ultimate Boater's Paradise - Fully Renovated Luxury Residence Coming SoonThis is a rare and exceptional opportunity to own a like-new, fully renovated luxury home in one of Key Biscayne's most exclusive waterfront enclaves. Currently under an extensive renovation with expected completion in approximately 5 months, this residence is being reimagined with the highest standards of modern design, comfort, and functionality.A Complete Transformation - Inside and OutThis is not just a cosmetic update -- this is a down-to-the-studs, full-scale renovation that will result in a completely refreshed and reimagined home. Upon completion, this property will boast:
Highlights
Virtual tour
Summary
- Partial Bathrooms: 1
- Full Bathrooms: 4
- Appliances: None
- Flooring Type: Concrete
- Interior: None
- Total Bedroom Count: 4
- Private Pool: Yes
- Parking: Carport - Attached, Driveway
- Waterfront: Intracoastal, Seawall
- View: Intracoastal, Pool
- Exterior: Covered Patio, Open Patio
- Heating: Central, Electric
- Cooling: Central Air
- List Price: $23,500,000
- Price/SqFt: $10,421
- Annual Tax Amount: $102,889
- Tax Year: 2023
- Year Built: 1958
- Stories: 1
- Living Area: 2,255 SqFt
- MLS Number: RX-11060323
- Office Name: Coldwell Banker
- Office Phone: (561) 395-2233
- Listing Agent: Javier Gustavo Quiroz
- Agent Phone: (305) 909-5940
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Last updated on: 7/10/2025, 12:45:29 PM Eastern. If you have any questions regarding the accuracy of this data, please contact us at help@rockethomes.com.
Price information
Property sales
Date | Event | Price |
---|---|---|
Mar 09, 2022 | Home Sold | $8,500,000 |
Tax history
Year | Assessment | Property Tax |
---|---|---|
2023 | $6,371,245 | $102,889 |
2022 | $6,027,358 | $83,488 |
2021 | $4,397,303 | $83,488 |
2020 | $4,397,371 | $73,461 |
2018 | $4,397,507 | $70,437 |
2017 | $6,182,575 | $88,235 |
History based on county public records data.
Nearby schools
8
Key Biscayne K-8 Center
Public District PK-5
0.5 mi
•150 W McIntyre St
9
Coconut Grove Elementary School
Public District PK-5
5.2 mi
•3351 Matilda St
7
Southside Elementary School
Public Magnet PK-5
5.4 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. Residents of this area typically have post secondary degree education.
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Frequently asked questions
About 631 N Mashta Dr
The listing price of 631 N Mashta Dr property is $23,500,000.
The property 631 N Mashta Dr is a house located in Key Biscayne, Florida, 33149.
Active Listing: 631 N Mashta Dr is For Sale (Active/New) which means the seller is accepting offers.
The nearby schools for 631 N 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 $102,889 (source: MLS/based on county public records data).
The last sale was on March 9, 2022 for $8,500,000 (source: MLS/tax record).
The property at 631 N Mashta Dr has 4 bedrooms and 4 full and 1 half bathrooms.
The property 631 N Mashta Dr is 2,255 SqFt (source: MLS/tax record).
The year of construction for 631 N Mashta Dr is 1958.
This home is located at 631 N Mashta Dr in Key Biscayne, FL and zip code 33149. This 2,255 square foot home was built in 1958. Features: 4 bedrooms, 5 bathrooms. It has been listed on Rocket Homes since February 7, 2025 and is currently priced at $23,500,000.
In June 2025 more than 0 listings in Key Biscayne, FL were sold above the asking price. During the same period more than 0 listings were sold at asking price, while more than 16 were sold below. Between May and June 2025, Key Biscayne, FL real estate market has seen increase in the number of listings by 1.5%. In June 2025, listings were on the market for 104 days. During the same period, the median list price in this real estate market was $1,350,000.