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640 S Mashta Dr
Key Biscayne, FL
Listing Details
- $16,800,000
- MLS# A11990382
- Type Residential - Single Family
- Status Active
Description
Welcome to your own slice of paradise! Enjoy breathtaking sunsets from your private dock on this waterfront property boasting 100 feet of direct Biscayne Bay frontage. Ideally located on Mashta Island. Set on a 15,000 SF lot, the home features 5 beds, 5 baths, including 2 bayfront primary suites with stunning views, impact windows and doors throughout. The open-concept layout flows seamlessly from the living and dining areas to the modern kitchen and out to the pool and entertainment patio, with floor-to-ceiling glass doors that open to blend indoor and outdoor living. Tranquil guest suite upstairs offering privacy and views. It also features... Read more
Key Features
- Other
- First Floor Entry
- Entrance Foyer
- Pantry
- Split Bedroom
- Vaulted Ceiling(s)
- Walk-In Closet(s)
- Garage Converted
- Public Road
Gallery
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Luxury Homes Specialist
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Disclaimer: All information deemed reliable but not guaranteed. All properties are subject to prior sale, change or withdrawal. Neither listing broker(s) or information provider(s) shall be responsible for any typographical errors, misinformation, misprints and shall be held totally harmless. Listing(s) information is provided 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 on this site was last updated 07/27/2026. The listing information on this page last changed on 07/27/2026. The data relating to real estate for sale on this website comes in part from the Internet Data Exchange program of Delta Media Group MLS (last updated Mon 07/27/2026 2:17:51 AM EST) or Miami MLS (last updated Mon 07/27/2026 12:28:37 AM EST) or Stellar MLS (last updated Mon 07/27/2026 1:58:45 AM EST) or SPC MLS (last updated Sun 07/26/2026 11:21:04 PM EST) or Martin MLS (last updated Sun 07/26/2026 11:38:10 PM EST) or Indian River MLS (last updated Sun 07/26/2026 11:30:11 PM EST) or Northeast Florida MLS (last updated Mon 07/27/2026 12:18:53 AM EST) or Beaches MLS (last updated Mon 07/27/2026 2:08:31 AM EST) or Naples MLS (last updated Sun 07/26/2026 11:40:20 PM EST) or PBI MLS (last updated Sun 07/26/2026 11:21:12 PM EST) or Florida Keys MLS (last updated Mon 07/27/2026 12:28:28 AM EST). Real estate listings held by brokerage firms other than Illustrated Properties may be marked with the Internet Data Exchange logo and detailed information about those properties will include the name of the listing broker(s) when required by the MLS. All rights reserved.
Privacy Policy / DMCA Notice / ADA Accessibility
Disclaimer: All information deemed reliable but not guaranteed. All properties are subject to prior sale, change or withdrawal. Neither listing broker(s) or information provider(s) shall be responsible for any typographical errors, misinformation, misprints and shall be held totally harmless. Listing(s) information is provided 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 on this site was last updated 07/27/2026. The listing information on this page last changed on 07/27/2026. The data relating to real estate for sale on this website comes in part from the Internet Data Exchange program of Delta Media Group MLS (last updated Mon 07/27/2026 2:17:51 AM EST) or Miami MLS (last updated Mon 07/27/2026 12:28:37 AM EST) or Stellar MLS (last updated Mon 07/27/2026 1:58:45 AM EST) or SPC MLS (last updated Sun 07/26/2026 11:21:04 PM EST) or Martin MLS (last updated Sun 07/26/2026 11:38:10 PM EST) or Indian River MLS (last updated Sun 07/26/2026 11:30:11 PM EST) or Northeast Florida MLS (last updated Mon 07/27/2026 12:18:53 AM EST) or Beaches MLS (last updated Mon 07/27/2026 2:08:31 AM EST) or Naples MLS (last updated Sun 07/26/2026 11:40:20 PM EST) or PBI MLS (last updated Sun 07/26/2026 11:21:12 PM EST) or Florida Keys MLS (last updated Mon 07/27/2026 12:28:28 AM EST). Real estate listings held by brokerage firms other than Illustrated Properties may be marked with the Internet Data Exchange logo and detailed information about those properties will include the name of the listing broker(s) when required by the MLS. All rights reserved.
Privacy Policy / DMCA Notice / ADA Accessibility
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All Property Features
- Property Type: Residential - Single Family
- Appliances: Dishwasher
- Community Features: Public Road
- Cooling: Central Air
- Crops Included Y/N: No
- Days on Site: 115
- Exterior: Concrete Block Construction
- Exterior Features: Other
- Flooring: Other
- Garage: 2 car attached
- Heating: Other
- Home Style: Attached, Other
- Home Warranty Y/N: No
- Interior Features: First Floor Entry, Entrance Foyer, Pantry, Split Bedroom, Vaulted Ceiling(s), Walk-In Closet(s), Garage Converted
- Lease Considered Y/N: No
- Listing Terms: All Cash, Conventional
- Lot Description: Less Than 1/4 Acre Lot
- Lot Size: 0.34 Acres
- Other Equipment: Automatic Garage Door Opener
- Parcel#: 24-52-05-008-0320
- Parking: Driveway, Guest
- Parking Notes: Driveway, Guest
- Pets Allowed: Dogs OK
- Pool: In Ground
- Property Attached Y/N: No
- Property Sub-Type: Single Family Residence
- Roof Type: Barrel Roof
- Sewer: Public Sewer
- Special View Info: Bay, Garden
- Taxes: $155,651
- Water: Municipal Water
- Water Features: Ocean Access, Ocean Front
- Year Built: 1968