699 N Mashta Dr Key Biscayne, FL $ 22,500,000
699 N Mashta Dr
$ 22,500,000
Share Save

699 N Mashta Dr

Key Biscayne, FL, 33149
$ 22,500,000
Bedrooms4 Baths4.1 Sq 3,241

Monthly Estimate*

$ 140,371

699 N Mashta Dr, Key Biscayne, FL 33149 - Image 1
699 N Mashta Dr, Key Biscayne, FL 33149 - Image 2
699 N Mashta Dr, Key Biscayne, FL 33149 - Image 3
699 N Mashta Dr, Key Biscayne, FL 33149 - Image 4
View a Virtual Tour

Single Family Home for sale in Key Biscayne, FL

for $22,500,000 with 4 bedrooms and 4 full baths, 1 half bath. This 3,241 square foot home was built in 1965.

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.

See more

Single Family Active

Price

$ 22,500,000

Bedrooms

4

Full Bath

4

Half Bath

1

Property Type

Single Family

Taxes

$ 99,176

Style

Year Built

1965

Town/City

Key Biscayne

County/Region

Miami-Dade

MLS | Web ID

A11815194

Features
General
Sewer Other
Heating Central Electric
Cooling Central Air Electric
Possession Other
Roof Shake Wood
Appliances Dryer Dishwasher Electric Range Electric Water Heater Disposal Refrigerator Washer
HOA Fee 0
Garage Spaces 0
Architectural Style One Story
Pool Features In Ground Pool
Security Features Smoke Detector(s)
Restrictions No Restrictions
Construction Materials Frame
Year Built 1965
View Bay Water
Stories Count 1
Property Subtype Single Family Residence
Tax Year 2024
Waterfront Features Bayfront Ocean Access Seawall
Community Features Boat Facilities
Assoc Fee Paid Per Monthly
County Miami-Dade
Property Type Residential
Subdivision Name MASHTA ISLAND
Facing Direction West
Garage Y/N false
Total Rooms 0
Full Baths 4
Special Listing Conditions Listed As-Is
Status Active
City Key Biscayne
Senior Community Y/N false
Zoning Description 2001
MLS Area 52
Lot Size Units Square Feet
Lot Size Square Feet 15000
Carport Spaces 2
Carport Y/N true
Listing Terms Cash Conventional
Year Built Details Resale
Tax Annual Amount 99176
Lease Considered Y/N false
Virtual Tour https://www.propertypanorama.com/instaview/mia/A11815194
Standard Status Active
Occupancy Type Call Agent
Property Sub Type Additional Single Family Residence
Legal Description MASHTA ISLAND PB 60-93 LOT 5 BLK 1 LOT SIZE 100.000 X 150 OR 19596-3429 03/2001 1
See more
Interior
Interior Amenities Bedroom on Main Level French Door(s)/Atrium Door(s) Living/Dining Room Pantry Upper Level Primary
Flooring Hardwood Wood
Air Conditioning Y/N true
Heating Y/N true
Half Baths 1
Total Bedrooms 4
Total Baths 5
See more
Exterior
Exterior Amenities Storm/Security Shutters
Parking Features Driveway
Lot Features 1/4 to 1/2 Acre Lot
Water Source Public
Lot Size Area 15000
Building Area Total 3241
Frontage Length 0
Waterfront Y/N true
Covered Spaces 2
Door Features French Doors
See more
* Excluded Features
List By
Bhhs Ewm Realty

Broker

donnelly.mariae@gmail.com

Email

Affordability Calculator

$148,635
Per Month
94%
6%
0%
Monthly Principal & Interest
$140,371
Monthly Property Taxes
$8,265
Monthly Home Insurance
--
Default based on a 30-year fixed rate of 6.375% with 20% down. The estimated payment is offered for convenience and is not an offer of credit. Due to market fluctuations, interest rates are subject to change at any time and without notice. Your individual rate may vary. Rates may differ for FHA, VA or jumbo loans.
Learn more about how to save

Discover how much house you can afford

Your dream home may be within reach.

Learn More about how to save

The time to sell is now
THE TIME TO SELL IS NOW! What's my home worth?
Nearby
4827338 Elementary School
4827337 Middle School
Unknown High School High School
Pricing History
DatePricePrice ChangeDescription
10/22/2025$22,500,000 Listed Price

Map


See all

699 N Mashta Dr, Key Biscayne, FL, 33149 is a Single Family Home for sale at $22,500,000 with 3,241 sqft. 699 N Mashta Dr has 4 bedrooms, 4.1 baths, and was built in 1965. The property's zip code is 33149 which is in Key Biscayne, FL