$5,200,000
Sold · August 11, 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
- $5,200,000
- Vs. list price
- 10.3% under
- Days on market
- 38
- Price per sq ft
- $1,538
This 4-bedroom single-family home in ZIP 33149 sold for $5,200,000 on August 11, 2026. That was 10.3% below its final list price of $5,799,000. It spent 38 days on the market.
Listing Snapshot
- Sold Price
- $5,200,000
- Sold On
- August 11, 2026
- Days on Site
- 38 Days
- Bedrooms
- 4
- 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 #
- A12033340
- Property Tax
- $22,013 (2025)
- Subdivision
- MASHTA ISLAND
- County
- Miami Dade
- Status
- Sold
- Special Conditions
- Listed As Is
About This Property
Located on the exclusive and highly sought-after Mashta Island, this exceptional property offers a rare opportunity to build your dream home or enjoy the existing beautifully refurbished residence. The home features new bathrooms, updated flooring, and tasteful modern finishes throughout. Designed for relaxed Florida living, the spacious covered terrace overlooks a stunning mosaic-tiled pool, creating the perfect setting for entertaining or enjoying the tropical surroundings. A unique opportunity in one of Key Biscayne's most desirable neighborhoods. Easy to show.
MLS media linkGeneral Features
- Property Type
- Single Family
- Status
- Sold
- Year Built
- 1960
- 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 / Disposal / Gas Range / Oven / Refrigerator / Washer
- Cooling
- Central Air
- Heating
- Heat Strip
- Flooring
- Vinyl
- Interior Features
- Breakfast Area / Bathtub / Dining Area / Separate Formal Dining Room / Dual Sinks / Garden Tub Roman Tub / High Ceilings / Main Level Primary / Split Bedrooms / Soaking Tub / Separate Shower
- Windows
- Blinds
- Total Rooms
- 1
Exterior Features
- Construction
- Block
- Roof
- Tar Gravel
- Exterior Features
- Outdoor Living Area / Outdoor Shower
- Private Pool
- Yes
- Pool Features
- Above Ground
- Patio & Porch
- Patio
- Lot Features
- Sprinklers Automatic
- View
- Garden
Community & HOA
- Security
- Smoke Detectors
- Pets Allowed
- Yes
- Financing Terms
- Cash / Conventional
- Restrictions
- No Restrictions
- 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
- 125
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 ($1,159,800) on the $5,799,000 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 $30,476/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 Coldwell Banker 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 June 23, 2026.
$5,200,000
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Listed by Maureen Jauregui, Coldwell Banker 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.
