591 N Mashta Dr Key Biscayne, FL $ 16,950,000
591 N Mashta Dr
$ 16,950,000
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591 N Mashta Dr

Key Biscayne, FL, 33149
$ 16,950,000
Bedrooms4 Baths4.1 Sq 4,290

Monthly Estimate*

$ 104,364

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Single Family Home for sale in Key Biscayne, FL

for $16,950,000 with 4 bedrooms and 4 full baths, 1 half bath. This 4,290 square foot home was built in 1960.

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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Single Family Active

Price

$ 16,950,000

Bedrooms

4

Full Bath

4

Half Bath

1

Property Type

Single Family

Taxes

$ 112,793

Style

Year Built

1960

Town/City

Key Biscayne

County/Region

Miami-Dade

MLS | Web ID

A11924175

Features
General
Sewer Septic Tank
Heating Central
Cooling Central Air
Possession Close Of Escrow
Roof Aluminum
Appliances Dryer Dishwasher Electric Water Heater Disposal Gas Range Microwave Trash Compactor
Garage Spaces 2
Patio/Porch Features Deck
Architectural Style Detached One Story
Pool Features In Ground Pool
Restrictions See Remarks
Construction Materials Brick Block
Year Built 1960
View Canal Water
Stories Count 1
Property Subtype Single Family Residence
Tax Year 2025
Waterfront Features Canal Front
County Miami-Dade
Property Type Residential
Subdivision Name MASHTA ISLAND A REPLAT OF
Facing Direction North
Garage Y/N true
Total Rooms 0
Full Baths 4
Special Listing Conditions Listed As-Is
Status Active
High School Coral Gables
City Key Biscayne
Senior Community Y/N false
Zoning Description 2001
MLS Area 52
Lot Size Units Square Feet
Lot Size Square Feet 15184
Listing Terms Cash Conventional FHA VA Loan
Elementary School Keybiscayne
Year Built Details Resale
Tax Annual Amount 112793
Middle/Junior High School Ponce De Leon
Lease Considered Y/N false
Virtual Tour https://www.propertypanorama.com/instaview/mia/A11924175
Standard Status Active
Occupancy Type Call Agent
Property Sub Type Additional Single Family Residence
Legal Description MASHTA ISLAND A REPLAT OF TRS A B & C PB 65-65 LOT 11 BLK 1 LOT SIZE 104.000 X 146 OR 15577-14 0982 1 COC 22096-0549 03 2004 1
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Interior
Interior Amenities Bedroom on Main Level First Floor Entry
Flooring Hardwood Other Wood
Air Conditioning Y/N true
Heating Y/N true
Half Baths 1
Total Bedrooms 4
Total Baths 5
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Exterior
Exterior Amenities Deck
Parking Features Other
Lot Features 1/4 to 1/2 Acre Lot
Water Source Public
Lot Size Area 15184
Building Area Total 6219
Frontage Length 0
Waterfront Y/N true
Covered Spaces 2
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* Excluded Features
List By
Exp Realty Llc

Broker

anglemont1@hotmail.es

Email

Affordability Calculator

$113,763
Per Month
92%
8%
0%
Monthly Principal & Interest
$104,364
Monthly Property Taxes
$9,399
Monthly Home Insurance
--
Default based on a 30-year fixed rate of 6.25% 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.
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Nearby
3062566 Elementary School
4268812 Middle School
Coral Gables High School High School
Pricing History
DatePricePrice ChangeDescription
12/4/2025$16,950,000 Listed Price

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591 N Mashta Dr, Key Biscayne, FL, 33149 is a Single Family Home for sale at $16,950,000 with 4,290 sqft. 591 N Mashta Dr has 4 bedrooms, 4.1 baths, and was built in 1960. The property's zip code is 33149 which is in Key Biscayne, FL