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$15,500,000
170 Days On Site
591 N Mashta DrKey Biscayne, FL 33149
For Sale|Single Family Residence|Active
4
Beds
5
Total Baths
4
Full Baths
1
Partial Bath
4,290
SqFt
$3,613
/SqFt
1960
Built
Subdivision:
MASHTA ISLAND A REPLAT OF
County:
Miami-Dade
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Monthly Payment (Est.)
$70,717Calculator powered by Showcase IDX, a Constellation1 Company. Copyright ©2026 Information is deemed reliable but not guaranteed.
BEAUTIFUL AND UNIQUE WATERFRONT HOME ON EXCLUSIVE MASHTA ISLAND, ON DESIRABLE NORTH MASHTA DR IN KEY BISCAYNE. ELEVATED AND VERY COMFORTABLE 4BR/4.5BA + MAID’S QUARTERS WITH APPROX. 4,290 SQ FT UNDER A/C, SITTING ON A LARGE AND PRIVATE 15,184 SQ FT LOT, IDEAL FOR ENJOYING WITH FAMILY AND FRIENDS. APPROX. 50 FT DOCK WHERE THE OWNERS HAVE DOCKED BOATS OF AROUND 78 FT, WITH DEEP WATER OF ABOUT 8 FT EVEN AT LOW TIDE – A RARE TRUE DEEP-WATER ACCESS ON THE ISLAND. NORTH-FACING CANAL KEEPS THE HOUSE AND OUTDOOR AREAS PLEASANT AND COOLER ALL YEAR ROUND. EASY TO SHOW. BRING YOUR QUALIFIED BUYERS AND BEST OFFERS.
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Listing Snapshot
Price
$15,500,000
Days On Site
170 Days
Bedrooms
4
Inside Area (SqFt)
4,290 sqft
Total Baths
5
Full Baths
4
Partial Baths
1
Lot Size
0.3486 Acres
Year Built
1960
MLS® Number
A11924175
Status
Active
Property Tax
$112,793
HOA/Condo/Coop Fees
N/A
Sq Ft Source
N/A
Friends & Family
Recent Activity
| 2 months ago | Price changed to $15,500,000 | |
| 2 months ago | Listing updated with changes from the MLS® | |
| 4 months ago | Status changed to Active | |
| 6 months ago | Listing first seen on site |
General Features
Direction Faces
North
Garage
Yes
Garage Spaces
2
Number Of Stories
1
Parking
Other
Property Sub Type
Single Family Residence
Sewer
Septic Tank
SqFt Total
6219
Style
DetachedOneStory
Water Source
Public
Zoning
2001
Interior Features
Appliances
DryerDishwasherElectric Water HeaterDisposalGas RangeMicrowaveTrash Compactor
Cooling
Central Air
Flooring
HardwoodOtherWood
Heating
Central
Interior
Master Downstairs
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Exterior Features
Construction Details
BrickBlock
Frontage
0
Lot Features
Waterfront
Patio And Porch
Deck
Pool Features
In Ground
Roof
Aluminum
View
CanalWater
Waterfront
Yes
Waterfront Features
Canal Front
Waterview
CanalWater
Community Features
Financing Terms Available
CashConventionalFHAVA Loan
MLS Area
52
Schools
School District
Unknown
Elementary School
Keybiscayne
Middle School
Ponce De Leon
High School
Coral Gables
Listing courtesy of EXP Realty LLC
The data relating to real estate for sale on this web site comes in part from the Miami Association of Realtors, Realtor Association of Greater Ft. Lauderdale, and the South Broward Board of Realtors. Information is deemed reliable but not guaranteed. Copyright © 2026, Miami Association of Realtors, Realtor Association of Greater Ft. Lauderdale, and the South Broward Board of Realtors. All rights reserved. The information being provided is 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. The use of search facilities of data on the site, other than a consumer looking to purchase real estate, is prohibited.
The data relating to real estate for sale on this web site comes in part from the Miami Association of Realtors, Realtor Association of Greater Ft. Lauderdale, and the South Broward Board of Realtors. Information is deemed reliable but not guaranteed. Copyright © 2026, Miami Association of Realtors, Realtor Association of Greater Ft. Lauderdale, and the South Broward Board of Realtors. All rights reserved. The information being provided is 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. The use of search facilities of data on the site, other than a consumer looking to purchase real estate, is prohibited.
Neighborhood & Commute
Source: Walkscore
Disclosure: Community information and market data powered by Constellation Data Labs. Information is deemed reliable but not guaranteed.
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