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  • 640 S Mashta Dr
  • $13,250,000
  • Key Biscayne, FL 33149 / MASHTA ISLAND
  • 5 Beds, 5 Baths, 3,620 Sq.Ft.
Sold - No Longer Active
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640 S Mashta Dr, Key Biscayne, FL 33149

5 Beds, 5 Baths, Single Family Residence, 3,620 Sq.Ft.

Welcome to Heaven on Earth! Fish off your own dock and enjoy stunning sunset views from 100’ of direct Biscayne Bay waterfront in this iconic trophy property on the quiet side of Key Biscayne’s exclusive Mashta Island. Move in, renovate or build your dream home on this 15,000 SF lot. Enter into open-flow indoor-outdoor living, dining, and kitchen, with floor-to-ceiling sliding glass walls overlooking the sparkling screened pool, the wide bay and the boat dock—truly an entertainer’s delight! Sleep easy with five bedrooms and five full baths, including two water-facing principal suites and closets galore, plus impact windows-doors. Plenty of parking, with an oversized two-car garage plus covered parking and large guest driveway. One visit, and it will be clear—heaven on earth is right here!

Listing Summary
  • City: Key Biscayne
  • Zip: 33149
  • Price: $13,250,000
  • County: Miami-Dade
  • Subdivision: MASHTA ISLAND
  • Complex: MASHTA ISLAND
  • Development: MASHTA ISLAND
  • Virtual Tour: View Virtual TourMore Info
  • Property Type: Residential
  • Property Type Description: Single Family Residence
  • Status: Closed
  • Square Feet: 3,620
  • Year Built: 1968
  • Taxes: $80,770
  • Short Sale:
  • MLS® #: A11611809
School Information
Elementary School Middle School High School
Additional Features
  • Waterfront: Yes
  • Waterfront Description: Bayfront, Ocean Front
  • View: Bay, Ocean
  • Style: Detached, Two Story
  • Pets Allowed?: Yes
  • Pet Restrictions: No Pet Restrictions, Yes
  • Flooring: Tile, Wood
  • Furnished:
  • Construction: Block
  • Parking: Attached, Circular Driveway, Covered, Driveway, Garage
  • Interior Features: 0
  • Amenities: BoatFacilities
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The data relating to real estate for sale on this web site comes in part from the participating Associations of the Miami Multiple Listing Service. The MLS data provided for the property above (A11611809) is provided courtesy of (Graber Realty Group LLC). 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. Information is deemed reliable but not guaranteed. Data last updated on 04-26-2025. IDX powered by Realty Net Media



Streamline Properties, Inc.
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1125 Washington Avenue , Miami Beach , FL 33139
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