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591 N Mashta Dr, Key Biscayne, FL 33149

Local realty services provided by:CENTURY 21 North East
591 N Mashta Dr,Key Biscayne, FL 33149
$16,950,000
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  • 4 Beds
  • 5 Baths
  • 4,290 sq. ft.
  • Single family
  • Active
Listed by: cristina d anglemont de tassigny
Office: exp realty llc.
MLS#:A11924175
Source:SEFMLS

Price summary

  • Price:$16,950,000
  • Price per sq. ft.:$2,725.52

About this home

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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Home facts

  • Year built:1960
  • Listing ID #:A11924175
  • Updated:January 15, 2026 at 07:55 PM

Rooms and interior

  • Bedrooms:4
  • Total bathrooms:5
  • Full bathrooms:4
  • Half bathrooms:1
  • Living area:4,290 sq. ft.

Heating and cooling

  • Cooling:Central Air
  • Heating:Central

Structure and exterior

  • Roof:Aluminum
  • Year built:1960
  • Building area:4,290 sq. ft.
  • Lot area:0.35 Acres

Schools

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

Utilities

  • Water:Public
  • Sewer:Septic Tank

Finances and disclosures

  • Price:$16,950,000
  • Price per sq. ft.:$2,725.52
  • Tax amount:$112,793 (2025)
Information deemed reliable but not guaranteed. Information is provided, in part, by Greater Miami MLS. This information being provided is for consumer's personal, non-commercial use and may not be used for any other purpose other than to identify prospective properties consumers may be interested in purchasing.

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