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631 N Mashta Drive Key Biscayne FL 33149 MLS #RX-11060323

MLS #RX-11060323 image #0MLS #RX-11060323 image #1MLS #RX-11060323 image #2MLS #RX-11060323 image #3MLS #RX-11060323 image #4MLS #RX-11060323 image #5MLS #RX-11060323 image #6MLS #RX-11060323 image #7MLS #RX-11060323 image #8MLS #RX-11060323 image #9MLS #RX-11060323 image #10MLS #RX-11060323 image #11MLS #RX-11060323 image #12
BRING ALL OFFERS – Waterfront Dream Home in the Making!Key Biscayne’s Ultimate Boater’s Paradise – Fully Renovated Luxury Residence Coming SoonThis is a rare and exceptional opportunity to own a like-new, fully renovated luxury home in one of Key Biscayne’s most exclusive waterfront enclaves. Currently under an extensive renovation with expected completion in approximately 5 months, this residence is being reimagined with the highest standards of modern design, comfort, and functionality.A Complete Transformation – Inside and OutThis is not just a cosmetic update — this is a down-to-the-studs, full-scale renovation that will result in a completely refreshed and reimagined home. Upon completion, this property will boast:
Current real estate data for Single Family in Key Biscayne as of Jul 04, 2025
1
Single Family Listed
147
Avg DOM
6,317
Avg $ / SqFt
$23,500,000
Avg List Price

Property Details

Price:
$23,500,000
MLS #:
RX-11060323
Status:
Active
Beds:
4
Baths:
4.1
Type:
Single Family
Subtype:
Single Family Detached
Subdivision:
MASHTA ISLAND
Listed Date:
Feb 7, 2025
Finished Sq Ft:
3,720
Year Built:
1958
WaterfrontOceanfrontStoriesMASHTA ISLAND

Schools

Interior

Pets Allowed
Yes

Exterior

Garage Spaces
0.00
Homeowners Assoc
None
Storm Protection
None
Total Floors/ Stories
1.00
Waterfrontage
100

Financial

Map

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Property Summary

    Located in the MASHTA ISLAND subdivision, 631 N Mashta Drive Key Biscayne FL is a Single Family for sale in Key Biscayne, FL, 33149. It is listed for $23,500,000 and features 4 beds, 4 baths, and has approximately 3,720 square feet of living space, and was originally constructed in 1958. The current price per square foot is $6,317. The average price per square foot for Single Family listings in Key Biscayne is $6,317. The average listing price for Single Family in Key Biscayne is $23,500,000.

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