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$23,500,000
37 Days On Site

631 N Mashta Drive
Key Biscayne, FL 33149

For Sale|Single Family Residence|Active
4
Beds
4
Full Baths
1
Partial Bath
2,255
SqFt
$10,421
/SqFt
1958
Built
Subdivision:
MASHTA ISLAND
County:
Miami-Dade
Call Now: 561-351-5096
Is this the home for you? We can help make it yours.
561-351-5096
631 N Mashta Drive631 N Mashta Drive631 N Mashta Drive631 N Mashta Drive
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Mortgage Calculator

Monthly Payment (Est.)

$107,217
Calculator powered by Showcase IDX, a Constellation1 Company. Copyright ©2025 Information is deemed reliable but not guaranteed.

Great Investment Opportunity for a boater's paradise! Nestled in one of Key Biscayne's most sought-after locations, this home is perfect for those who love the waterfront lifestyle, offering the best of boating, luxury, and tranquility. Whether you're setting sail for a day on the water or enjoying the peaceful ambiance. This residence sits on a 15,000-square-foot lot, offering breathtaking views and direct bay access, making it a boater's paradise. Prime waterfront location with direct access to Biscayne Bay. Private dock to accommodate a large boat or yacht. No bridges to the ocean, ideal for effortless navigation. Expansive backyard with plenty of space to entertain while enjoying stunning sunsets over the bay.

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Listing Snapshot
Price 
$23,500,000
Days On Site 
37 Days
Bedrooms 
4
Inside Area (SqFt) 
2,255 sqft
Total Baths 
5
Full Baths 
4
Partial Baths 
1
Lot Size 
N/A
Year Built 
1958
MLS® Number 
R11060323
Status 
Active
Property Tax 
$99,103
HOA/Condo/Coop Fees 
N/A
Sq Ft Source 
N/A
Friends & Family
Recent Activity
a month agoListing updated with changes from the MLS®
a month agoStatus changed to Active
a month agoListing first seen on site
General Features
Attached Garage 
Yes
Number Of Stories 
1
Parking 
AttachedDrivewayGarage
Pets 
Yes
Property Sub Type 
Single Family Residence
SqFt Total 
3720
Utilities 
NoneWater Not Available
Water Source 
None
Zoning 
0101
Interior Features
Appliances 
None
Cooling 
Central Air
Flooring 
Concrete
Furnished 
Unfurnished
Heating 
CentralElectric
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Exterior Features
Construction Details 
Brick VeneerBlock
Frontage 
Waterfront
Lot Features 
Waterfront
Patio And Porch 
Patio
Pool Features 
Private
Private Pool 
Yes
View 
WaterPool
Waterfront 
Yes
Waterfront Features 
Intracoastal AccessNo Fixed BridgesSeawall
Waterview 
WaterPool
Community Features
Financing Terms Available 
CashConventional
MLS Area 
29
Listing courtesy of Coldwell Banker



All listings featuring the BMLS logo are provided by BeachesMLS, Inc. This information is not verified for authenticity or accuracy and is not guaranteed. Copyright © 2025 BeachesMLS, Inc. (a Flex MLS feed)
Last checked: 2025-03-14 04:49 AM UTC

Neighborhood & Commute
Source: Walkscore
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