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  3. 591 N Mashta Dr Key Biscayne, FL - 33149-1718
  • MLS® #: A11924175
  • 591 N Mashta Dr
  • Key Biscayne, FL 33149-1718
  • $16,950,000
  • 4 Beds, 5 Bath, 4,290 SqFt
  • Residential

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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Essential Information

  • MLS® #A11924175
  • Price$16,950,000
  • CAD Dollar$23,148,683
  • UK Pound£12,458,945
  • Euro€14,331,835
  • Bedrooms4
  • Bathrooms5.00
  • Full Baths4
  • Half Baths1
  • Square Footage4,290
  • Year Built1960
  • TypeResidential
  • Sub-TypeSingle Family Residence
  • StyleDetached, One Story
  • StatusActive

Community Information

  • Address591 N Mashta Dr
  • Area52
  • SubdivisionMASHTA ISLAND A REPLAT OF
  • CityKey Biscayne
  • CountyMiami-Dade
  • StateFL
  • Zip Code33149-1718

Amenities

  • ParkingOther
  • # of Garages2
  • ViewCanal, Water
  • Is WaterfrontYes
  • WaterfrontCanal Front

Interior

  • InteriorHardwood, Other, Wood
  • HeatingCentral
  • CoolingCentral Air
  • # of Stories1

Appliances

Dryer, Dishwasher, Electric Water Heater, Disposal, Gas Range, Microwave, Trash Compactor

Exterior

  • Exterior FeaturesDeck
  • RoofAluminum
  • ConstructionBlock, Brick

School Information

  • ElementaryKeybiscayne
  • MiddlePonce De Leon
  • HighCoral Gables
  • Office: Exp Realty Llc

Property Location

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591 N Mashta Dr on www.jupiteroceanfronthomes.us

Offered at the current list price of $16,950,000, this home for sale at 591 N Mashta Dr features 4 bedrooms and 5 bathrooms. This real estate listing is located in MASHTA ISLAND A REPLAT OF of Key Biscayne, FL 33149-1718 and is approximately 4,290 square feet. 591 N Mashta Dr is listed under the MLS ID of A11924175 and has been on the Key Biscayne real estate market for 13 days.

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The data relating to real estate on this web site comes in part from the Internet Data Exchange program of the MLS of the REALTOR® Association of Greater Miami and the Beaches, and is updated as of February 9th, 2026 at 2:46am CST (date/time).

All information is deemed reliable but not guaranteed by the MLS and should be independently verified. All properties are subject to prior sale, change, or withdrawal. Neither listing broker(s) nor Waterfront Properties and Club Communities shall be responsible for any typographical errors, misinformation, or misprints, and shall be held totally harmless from any damages arising from reliance upon these data. © 2026 MLS of RAMB.

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