$4,700,000
Sold · July 10, 2025
551 S Mashta Drive
Key Biscayne, FL 33149
MASHTA ISLAND A REPLAT OF
Explore the area: Key Biscayne homes for sale · Miami Dade County real estate
Sale Summary
What this home sold for
- Sold price
- $4,700,000
- Vs. list price
- 14.5% under
- Days on market
- 55
- Price per sq ft
- $1,448
This 6-bedroom single-family home in ZIP 33149 sold for $4,700,000 on July 10, 2025. That was 14.5% below its final list price of $5,495,000. It spent 55 days on the market.
Listing Snapshot
- Sold Price
- $4,700,000
- Sold On
- July 10, 2025
- Days on Site
- 55 Days
- Bedrooms
- 6
- Total Baths
- 5
- Full Baths
- 5
- Partial Baths
- 0
- Living Area
- 3,245 sqft
- Total Sq Ft
- 4,692 sqft
- Lot Size
- 0.23 Acres
- Year Built
- 1961
- Property Type
- Single Family
- MLS #
- A11776724
- Property Tax
- $50,906 (2024)
- Subdivision
- MASHTA ISLAND A REPLAT OF
- County
- Miami Dade
- Status
- Sold
- Special Conditions
- Listed As Is
About This Property
Your tropical private retreat on exclusive Mashta Island. This 6 bed / 5 bath, 3,245 SF Mediterranean villa sits on a spacious 10,000 SF lot with lush landscaping, a resort-style pool, and a private cabana guest suite. Interiors with soaring 10-foot ceilings flow seamlessly to the outdoors, perfect for entertaining and relaxed island living. Intentionally designed with two primary suites (first floor and second floor) enhancing comfort and privacy. The chef’s kitchen features a gas stove, cooking island, and SubZero refrigerator. Enjoy private balconies, a circular driveway, an attached 2-car garage with laundry, covered porches, and generous storage. Key Biscayne offers the ultimate family lifestyle with world-class amenities and a true sense of community.
MLS media linkGeneral Features
- Property Type
- Single Family
- Status
- Sold
- Year Built
- 1961
- Property Condition
- Resale
- Number of Stories
- 2
- Levels
- Two
- Garage Spaces
- 2
- Attached Garage
- Yes
- Parking
- Attached / Covered / Driveway / Garage / Garage Door Opener / Guest
- Direction Faces
- South
- Lot Size (Acres)
- 0.23
- Living Sq Ft
- 3,245
- Total Sq Ft
- 4,692
- Sewer
- Public Sewer
- Water Source
- Public
- Zoning
- 2001
Interior Features
- Appliances
- Dryer / Dishwasher / Disposal / Gas Range / Refrigerator / Washer
- Cooling
- Central Air
- Heating
- Central
- Flooring
- Marble
- Fireplace
- Yes
- Interior Features
- Breakfast Area / Bathtub / Dual Sinks / Eat In Kitchen / Garden Tub Roman Tub / Kitchen Island / Main Level Primary / Multiple En Suite Bathrooms / Pantry / Split Bedrooms / Soaking Tub / Separate Shower / Upper Level Primary / Walk In Closets
- Laundry
- In Garage
- Windows
- Blinds / Skylights
- Total Rooms
- 2
- Furnished
- Unfurnished
Exterior Features
- Construction
- Block
- Roof
- Barrel
- Exterior Features
- Balcony / Lighting / Outdoor Living Area
- Architectural Style
- Mediterranean
- Private Pool
- Yes
- Pool Features
- In Ground
- Patio & Porch
- Open / Patio / Balcony
- View
- Garden
Community & HOA
- Association Amenities
- Beach Rights
- Utilities
- Cable Available
- Pets Allowed
- No Pet Restrictions / 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 Area
Browse Key Biscayne homes for sale across every neighborhood and price point in Miami-Dade. Available homes span single-family, townhome, and condo segments throughout the city. Key Biscayne includes gated golf communities, 55+ active adult neighborhoods, waterfront estates, and newer master-planned subdivisions. HOA fees vary by community type, from modest maintenance fees in non-gated subdivisions to higher dues in full-amenity country clubs. The city sits within Miami-Dade, offering access to South Florida beaches, major employment centers, and healthcare hubs. For current Miami-Dade market data, see Florida Realtors' monthly statistics. Browse the latest Key Biscayne listings below. Then connect with a Pure Equity agent to schedule a private showing.
- Homes for Sale
- 142
- Under Contract
- 28
- Median List Price
- $2,687,500
- Median Sale Price (September)
- $1,630,000
- Median $/Sq Ft
- $1,181
- Avg Days on Market
- 131
Frequently Asked Questions
- How do I schedule a tour of 551 S Mashta Drive, Key Biscayne, FL 33149?
- Use the Tour button on this listing to request a showing of 551 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 551 S Mashta Drive, Key Biscayne, FL 33149 still available?
- 551 S Mashta Drive, Key Biscayne, FL 33149 is currently listed as Sold, and has been on the market 55 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 551 S Mashta Drive, Key Biscayne, FL 33149?
- With 20% down ($1,099,000) on the $5,495,000 list price and a 30-year fixed loan at an illustrative 6.875% rate, the estimated principal & interest for 551 S Mashta Drive, Key Biscayne, FL 33149 is about $28,879/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 551 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 551 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 551 S Mashta Drive, Key Biscayne, FL 33149?
- 551 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 551 S Mashta Drive, Key Biscayne, FL 33149?
- Often, yes. The right offer on 551 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.
$4,700,000
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Listed by Joan Bruggink, 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.
