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$15,500,000 Sale Pending

  • For Sale
  • Pending
  • Single Family
  • 4 Beds
  • 4 Full Baths
  • 1 Partial Bath
  • 4,290 Sq. Ft.
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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.

Full Property Details for 591 N Mashta Dr

General

  • Price: $15,500,000
  • Taxes: $112,793 (2025)
  • Status: Pending
  • Type: Single Family
  • Source: Greater_Miami
  • MLS ID: A11924175
  • Updated: 6/23/2026
  • Added to Site: 226 day(s) ago

Interior

  • Interior Features: First Floor Entry, No Additional Rooms
  • Appliances: Trash Compactor, Dishwasher, Disposal, Dryer, Electric Water Heater, Microwave, Gas Range
  • Flooring: Other, Wood

Rooms

Bathrooms

  • Total Bathrooms: 5
  • Full Bathrooms: 4
  • Half Bathrooms: 1

Bedrooms

  • Total Bedrooms: 4
  • Bedroom Features: Entry Level

Other Rooms

  • Living Room: No Additional Rooms Sq. Ft.

Additional Information

  • Pool: Yes
  • Pool Description: In Ground

Exterior

  • Deck/Patio: Deck

Parking

  • Garage: Yes
  • Garage Spaces: 2
  • Covered Spaces: 2
  • Parking Features: Other

Location

  • Area: Mashta Island A Replat Of
  • County: Miami-Dade County
  • Subdivision: MASHTA ISLAND A REPLAT OF
  • Building Name: MASHTA ISLAND A REPLAT OF
  • Direction Faces: North

School Information

  • Elementary School: Keybiscayne
  • Middle School: Ponce De Leon
  • High School: Coral Gables

Community

  • Community Name: Mashta Island A Replat Of

Heating & Cooling

  • Air Conditioning: Yes
  • Cooling Type: Central Air
  • Heating Type: Central

Utilities

  • Sewer: Septic Tank
  • Water: Municipal Water

Structural Information

  • Architectural Style: Detached, One Story
  • Structure Type: House
  • Detached/Attached: Detached
  • Construction: Concrete Block With Brick
  • Roof: Aluminum
  • Building Size: 6219
  • Square Feet: 4,290
  • Living Area: 4,290 Sq. Ft.
  • Year Built: 1960

Lot Features

  • Property View: Canal, Water
  • Lot Size (Sq. Ft.): 15,184
  • Lot Features: 1/4 To Less Than 1/2 Acre Lot
  • Zoning: 2001

Water Features

  • Water Front: Yes
  • Water View: Yes
  • Water Front Desc.: Ocean Access, Canal Front

Financial Considerations

  • Price Per Sq. Ft.: $3,613.05
  • Tax Amount: $112,793
  • Tax Year: 2025
  • Terms: All Cash, Conventional, FHA, FHA-Va Approved

Disclosures and Reports

  • 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
  • Restrictions: See Broker Remarks
  • Inclusions: None
  • Property ID: 24-52-05-009-0040

Listed by EXP Realty LLC

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Listing agent

— 591 N Mashta Dr —

  • EXP Realty LLC

Get Pre-Approved Today

Be ready to buy your new home!

with our affiliated lender
NMLS#: 1598647

Get Pre-Approved

Be ready to buy your new home!

with our affiliated lender
NMLS#: 1598647

Get Pre-Approved

Schools serving 591 N Mashta Dr

School District:Dade County School District
NameGradesDistance
Key Biscayne K-8 Center
150 West McIntyre Street, Key Biscayne, FL 33149
PK-50.5 mi
Ponce De Leon Middle School
5801 Augusto Street, Coral Gables, FL 33146
6-86.5 mi
Coral Gables Senior High School
450 Bird Road, Coral Gables, FL 33146
9-126.5 mi
Disclaimer: School attendance boundaries provided by ATTOM Data Solutions and are for reference only. Contact the school directly to verify enrollment eligibility.

Price & Sales History for 591 N Mashta Dr Get Price Alerts and Save Property

Date
Details
Price
Change
Source
3/20/2026
Price Reduced
$15,500,000
-8.55%
MLS
11/26/2025
Listed
$16,950,000
424.77%
MLS
3/05/2004
Sold
$3,230,000
—
Public Record
Get Price Alerts and Save Property
Disclaimer: Historical sales information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.

Tax History for 591 N Mashta Dr

Year
Property Taxes
Change
Tax Assessment
Change
2025
$112,793
13%
$8,275,489
18%
2024
$99,689
10%
$6,990,717
9%
2023
$90,594
26%
$6,434,780
37%
2021
$72,097
-13%
$4,693,859
-25%
2022
$82,433
5%
$6,243,258
33%
2021
$78,343
1%
$4,698,283
—
2019
$77,880
3%
$4,702,705
—
2018
$75,396
-19%
$4,707,128
-28%
2017
$92,947
2%
$6,518,447
39%
2016
$91,094
5%
$4,698,740
10%
2015
$87,102
9%
$4,271,582
10%
2014
$79,738
19%
$3,883,257
4%
2013
$67,165
—
$3,728,922
—
View All
Disclaimer: Historical tax information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.

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*These costs are estimates, and the interest rates assume exceptional credit standing.

Be ready to buy your new home!

with our affiliated lender
NMLS#: 1598647

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Listed by EXP Realty LLC

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591 N Mashta Dr, Key Biscayne, FL 33149 (MLS# A11924175) is a Single Family property with 4 bedrooms, 4 full bathrooms and 1 partial bathroom. 591 N Mashta Dr is currently listed for $15,500,000 and was received on November 26, 2025. Want to learn more about 591 N Mashta Dr? Do you have questions about finding other Single Family real estate for sale in Key Biscayne? You can browse all Key Biscayne real estate or contact a Coldwell Banker agent to request more information.

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