MASHTA ISLAND
669 S Mashta Dr, Key Biscayne FL 33149
3 beds · 3.5 baths · 3,382 ft²
3
Bedrooms
3.5
Bathrooms
3,382
Sq. Ft.
1960
Year Built
152
Days on Market
Description
A rare chance to own an exceptional Florida style home on prestigious Mashta Island. This residence captures the Florida lifestyle with vaulted ceilings and an open floor plan blending indoor and outdoor spaces.Sliding pocket doors invite natural light and open to a large covered terrace and mosaic pool, ideal for entertaining or relaxing.The home includes a spacious eat-in kitchen, cozy library, and a coral-stone fireplace. Renovated bathrooms and new wood Walnut floors enhance its modern appeal. A separate private living area with a bedroom and bathroom offers flexibility for guests or family. Located on a quiet street. Oversized 10,000.SqFt lot, new impact windows, a two-year-old roof, custom built-ins that add style and function.Tasteful updates and classic Florida charm.
Facts
- MLS#
- A11729326
- Subdivision
- MASHTA ISLAND
- Property Type
- Residential
- Property Sub Type
- Single Family Residence
- Year Built
- 1960
- Lot Size
- 10,000 ft²
- Sq. Ft.
- 3,382 ft²
- Sq. Mt.
- 314 m²
- Price per sq. ft.
- $1,153/ft²
- Price per sq. mt.
- $12,420/m²
- Stories
- —
- Garage
- —
- Pool
- —
- Days on Market
- 152 days
- Listed
- Jan 9, 2025
- Last Updated
- Jul 1, 2025
- Price/Lot Sq.Ft.
- $390/ft²
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Market insights for Key Biscayne
Live MLS-derived activity. Forecast is a conservative rule-of-thumb estimate — not a guarantee.
Sellers market
May 2026
45
Median days to sold
+4.5%
1-year price forecast (est.)
Price & tax history
From the live MIAMI MLS feed. Older history requires the ListingHistory resource (not yet enabled).
| 7/1/2025 | Sold | $3,900,000 |
| 3/11/2025 | Price change | $3,900,000-21.9% |
| 1/9/2025 | Listed for sale | $4,995,000 |
History reflects fields present on the live MLS record. Full multi-year history requires the MIAMI ListingHistory resource (not yet enabled).
Location
GreatSchools Summary Ratings
Public + private K-12 schools within 5 miles of this listing.
Falcon Cove Middle School6,7,8 · public · 0.7 mi
- Cypress Bay High School
9,10,11,12 · public · 0.8 mi
- Manatee Bay Elementary School
KG,1,2,3,4,5 · public · 1.3 mi
- Everglades Elementary School
PK,KG,1,2,3,4,5 · public · 1.5 mi
- First Steps International Academy
PK,KG · private · 1.6 mi
- Little Flowers of Hope Center for Children
8,9,10,11,12 · private · 1.7 mi
- Hawkes Bluff Elementary School
PK,KG,1,2,3,4,5 · public · 2.0 mi
- Sw Ranches Christian Academy
PK,KG · private · 2.1 mi
- Greentree Preparatory Charter School
KG,1,2,3,4,5,6,7,8 · charter · 2.1 mi
- Apple Tree Montessori School
PK,KG,1,2,3 · private · 2.1 mi
Data provided by GreatSchools.org © 2026. All rights reserved.Estimated Monthly Payment
$24,157/mo
Principal & Interest
$20,757
Property Tax
$3,250
Insurance
$150
HOA
$0
Estimates only. Actual payment depends on credit, lender, insurance carrier, and FL/Miami-Dade specifics. Contact Rangely for a precise quote.
The data relating to real estate for sale on this website comes in part from the Southeast Florida Multiple Listing Service. MLS Data is deemed reliable, but is not guaranteed accurate by MIAMI REALTORS®.
Accuracy of listing information is not guaranteed. Listing information is provided for personal consumer, non-commercial use, solely to identify potential properties for potential purchase. All other use is strictly prohibited and may be a violation of federal and state law.
Copyright Southeast Florida MLS a/k/a SEFMLS © 2026.
Updated within 24 hours
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