$4,750,000
Sold · February 4, 2026
669 S Mashta Drive
Key Biscayne, FL 33149
Explore the area: Key Biscayne homes for sale · Miami Dade County real estate
Sale Summary
What this home sold for
- Sold price
- $4,750,000
- Vs. list price
- 4% under
- Days on market
- 38
- Price per sq ft
- $1,404
This 3-bedroom single-family home in ZIP 33149 sold for $4,750,000 on February 4, 2026. That was 4% below its final list price of $4,950,000. It spent 38 days on the market.
Listing Snapshot
- Sold Price
- $4,750,000
- Sold On
- February 4, 2026
- Days on Site
- 38 Days
- Bedrooms
- 3
- Total Baths
- 4
- Full Baths
- 3
- Partial Baths
- 1
- Living Area
- 3,382 sqft
- Total Sq Ft
- 3,382 sqft
- Lot Size
- 0.23 Acres
- Year Built
- 1960
- Property Type
- Single Family
- MLS #
- A11922444
- Property Tax
- $22,036 (2025)
- Subdivision
- MASHTA ISLAND
- County
- Miami Dade
- Status
- Sold
- Special Conditions
- Listed As Is
About This Property
A beautifully reimagined home on one of Key Biscayne’s most desirable streets, South Mashta Drive. With its bold charcoal façade and distinctive presence, this residence stands out immediately while maintaining a warm island charm that makes it feel welcoming from the moment you arrive. Surrounded by mature trees and lush greenery, the setting offers both atmosphere and privacy.Inside, vaulted ceilings and expansive windows fill the space with natural light, creating a soft and inviting ambiance. The great room features a stone fireplace, wide-plank wood floors, and a natural flow to the terrace and pool, bringing effortless connection between indoor comfort and outdoor enjoyment. Every space reflects a carefully curated, cozy feel that enhances the character of the home.The renovated master bathroom offers calming finishes and a serene atmosphere. A private suite provides the perfect accommodation for guests or extended family. Set on a generous 10,000 sq ft lot and enhanced with impact windows, updated lighting, a newer roof, and thoughtful design details, this residence blends timeless appeal, warmth, and the unique island charm that defines Key Biscayne living.A rare opportunity to own a home that feels both distinctive and deeply inviting, in one of the most coveted locations on the island.
MLS media linkGeneral Features
- Property Type
- Single Family
- Status
- Sold
- Year Built
- 1960
- Property Condition
- Resale
- Number of Stories
- 2
- Levels
- Two
- Garage Spaces
- 0
- Parking
- Driveway
- Direction Faces
- West
- Lot Size (Acres)
- 0.23
- Living Sq Ft
- 3,382
- Total Sq Ft
- 3,382
- Sewer
- Public Sewer
- Water Source
- Public
- Zoning
- 2001
Interior Features
- Appliances
- Dryer / Dishwasher / Electric Water Heater / Disposal / Gas Range / Microwave / Refrigerator / Washer
- Cooling
- Central Air / Electric
- Heating
- Central
- Flooring
- Marble / Wood
- Interior Features
- Bathtub / Dining Area / Separate Formal Dining Room / Soaking Tub / Separate Shower / Upper Level Primary
- Total Rooms
- 1
- Furnished
- Unfurnished
Exterior Features
- Construction
- Block
- Roof
- Other
- Exterior Features
- Lighting / Outdoor Living Area / Outdoor Shower
- Private Pool
- Yes
- Pool Features
- In Ground
- Patio & Porch
- Patio
- Lot Features
- Quarter To Half Acre Lot
- Waterfront Features
- None
- View
- Garden
Community & HOA
- Association Amenities
- Other
- Utilities
- Cable Available
- Pets Allowed
- Size Limit / Yes
- 55+ Community
- Yes
- Financing Terms
- Cash / Conventional
- MLS Area
- 2520
Schools
- Elementary School
- Key Biscayne K-8
- Middle School
- Ponce De Leon
- High School
- Coral Gables
About the Community
- Homes for Sale
- 2
- Under Contract
- 0
- Median List Price
- $17,650,000
- Median $/Sq Ft
- $6,422
- Avg Days on Market
- 124
Frequently Asked Questions
- How do I schedule a tour of 669 S Mashta Drive, Key Biscayne, FL 33149?
- Use the Tour button on this listing to request a showing of 669 S Mashta Drive, Key Biscayne, FL 33149. Pick a day and time and choose an in-person or video-chat tour, and a Pure Equity agent will confirm your visit, often the same day.
- Is 669 S Mashta Drive, Key Biscayne, FL 33149 still available?
- 669 S Mashta Drive, Key Biscayne, FL 33149 is currently listed as Sold, and has been on the market 38 days. Status updates directly from the MLS as homes go under contract, so ask us to confirm availability before you plan a visit.
- How much is the monthly payment for 669 S Mashta Drive, Key Biscayne, FL 33149?
- With 20% down ($990,000) on the $4,950,000 list price and a 30-year fixed loan at an illustrative 6.875% rate, the estimated principal & interest for 669 S Mashta Drive, Key Biscayne, FL 33149 is about $26,014/mo, before property taxes, insurance. Use the payment estimate on this page to adjust the down payment and rate.
- How do I get pre-approved to buy 669 S Mashta Drive, Key Biscayne, FL 33149?
- Getting pre-approved shows sellers you're a serious buyer and clarifies your true budget before you offer on 669 S Mashta Drive, Key Biscayne, FL 33149. Contact Pure Equity and we'll connect you with a trusted local lender to review your financing options, no obligation.
- What schools serve 669 S Mashta Drive, Key Biscayne, FL 33149?
- 669 S Mashta Drive, Key Biscayne, FL 33149 is zoned for Key Biscayne K-8 (elementary), Ponce De Leon (middle), Coral Gables (high). School assignments and boundaries can change year to year, so confirm current zoning with the local school district before you buy.
- Can I negotiate the price of 669 S Mashta Drive, Key Biscayne, FL 33149?
- Often, yes. The right offer on 669 S Mashta Drive, Key Biscayne, FL 33149 depends on how it's priced against comparable single family sales in Key Biscayne, how long it's been listed, and how motivated the seller is. Pure Equity will run the comps and help you craft a competitive, well-supported offer.
Listing courtesy of One Sotheby's International Realty
Listing information is provided by BeachesMLS, Inc.and is deemed reliable but not guaranteed accurate by the MLS or Pure Equity. Information is for consumers’ personal, non-commercial use and may not be used for any purpose other than to identify prospective properties. © 2026 BeachesMLS, Inc. Last updated July 1, 2026.
$4,750,000
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Listed by Miriam Poggio, One Sotheby's International Realty
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Recent Sales
Recently sold homes in ZIP 33149
These are the last 6 recorded closings in ZIP 33149, with the price each home actually sold for rather than what it was listed at. They closed at a median of $1,880 per square foot. The most recent closed on October 5, 2026. Closed sales are what an appraiser and a buyer's agent will look at, so they are the starting point for pricing a home here.
Sold$7,767,500
Sold · October 5, 2026
165 Hampton Lane
6 bed · 8.5 bath · 3,842 sqft · $2,022/sqft
$482,500 under the asking price
Sold$1,000,000
Sold · October 1, 2026
455 Grand Bay Drive 717
0 bed · 1 bath · 532 sqft · $1,880/sqft
$88,000 under the asking price
Sold$1,660,000
Sold · September 30, 2026
613 Ocean Drive 5D
2 bed · 2 bath · 1,496 sqft · $1,110/sqft
$110,000 under the asking price
Sold$2,800,000
Sold · September 28, 2026
738 Fernwood Road
3 bed · 2 bath · 1,312 sqft · $2,134/sqft
$75,000 under the asking price
Sold$3,400,000
Sold · September 28, 2026
791 Crandon Boulevard 603
2 bed · 2.5 bath · 2,605 sqft · $1,305/sqft
$195,000 under the asking price
Sold$1,115,000
Sold · September 25, 2026
181 Crandon Boulevard 308
3 bed · 2 bath · 1,720 sqft · $648/sqft
$35,000 under the asking price
See every recorded sale in ZIP 33149 or find out what your ZIP 33149 home is worth.
