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#A11641157, Carlos Mandiola, Listing office: Coldwell Banker Realty
$25,000,000 List price
699 N Mashta Dr Key Biscayne, FL 33149
4 beds
4 full, 1 partial
3,241 sqft
$7,714 / sqft
House
Property details
About 699 N Mashta Dr
The Trophy to a Boater's Dream on Mashta Island. What a Superb Location! Nestled on the N. side of Mashta Island in Key Biscayne, where privacy reigns. This rare gem features 100 linear ft of seawall with direct unobstructed access to Biscayne Bay and the Atlantic Ocean; perfect for boaters. The lot spans 15000 sf. It includes a Bali-style house built by Architect George Reed in 1965. The property also includes a pool, a 2 car covered carport. Whether renovating or building new, this is a once -in- a lifetime opportunity to own a prime waterfront on one of Key Biscayne's most prestigious streets. This is more than a home - it's a legacy property in one of Miami's most coveted island communities.
Highlights
Home typeSingle Family Residence
HeatingCentral, Electric
StatusActive
CoolingCentral Air, Electric
Size3,241 sqft
Year built1965
ParkingDriveway
MLS #A11815194
WaterfrontBay Front, Ocean Access, Seawall
ViewBay, Water
Virtual tour
Summary
- Partial Bathrooms: 1
- Full Bathrooms: 4
- Appliances: Dryer, Dishwasher, Electric Range, Electric Water Heater, Disposal, Refrigerator, Washer
- Flooring Type: Hardwood, Wood
- Interior: Bedroom on Main Level, French Door(s)/Atrium Door(s), Living/Dining Room, Pantry, Upper Level Primary
- Total Bedroom Count: 4
- Parking: Driveway
- Waterfront: Bay Front, Ocean Access, Seawall
- View: Bay, Water
- Exterior: Storm/Security Shutters
- Architectural Style: One Story
- Heating: Central, Electric
- Cooling: Central Air, Electric
- List Price: $25,000,000
- Price/SqFt: $7,713
- HOA Amount: $0 Monthly
- Annual Tax Amount: $92,111
- Tax Year: 2023
- Year Built: 1965
- Stories: 1
- Living Area: 3,241 SqFt
- MLS Number: A11815194
- MLS Name: SEFMIAMI
- Office Name: BHHS EWM Realty
- Office Phone: (305) 361-5600
- Office Email: galegomendez.v@ewm.com
- Listing Agent: Maria Donnelly
© 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: 7/10/2025, 11:45:30 AM Eastern. If you have any questions regarding the accuracy of this data, please contact us at help@rockethomes.com.
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 | $6,100,207 | $92,111 |
| 2022 | $5,908,481 | $82,118 |
| 2021 | $4,446,294 | $85,578 |
| 2020 | $4,448,643 | $74,267 |
| 2018 | $4,453,343 | $71,331 |
| 2017 | $6,240,698 | $93,573 |
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
5.2 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. Most families are married, no kids. 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 699 N Mashta Dr
The listing price of 699 N Mashta Dr property is $25,000,000.
The property 699 N Mashta Dr is a house located in Key Biscayne, Florida, 33149.
Active Listing: 699 N Mashta Dr is For Sale (Active/New) which means the seller is accepting offers.
The nearby schools for 699 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 $92,111 (source: MLS/based on county public records data).
The property at 699 N Mashta Dr has 4 bedrooms and 4 full and 1 half bathrooms.
The property 699 N Mashta Dr is 3,241 SqFt (source: MLS/tax record).
The year of construction for 699 N Mashta Dr is 1965.
This home is located at 699 N Mashta Dr in Key Biscayne, FL and zip code 33149. This 3,241 square foot home was built in 1965. Features: 4 bedrooms, 5 bathrooms. It has been listed on Rocket Homes since June 5, 2025 and is currently priced at $25,000,000.
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%. The median list price of listings available in June 2025 was $1,350,000, while the average time on the real estate market was 104 days.
From Rocket Homes Real Estate and based on county public records data.