How do I schedule a tour of 571 S Mashta Drive, Key Biscayne, FL 33149?

Use the Tour button on this listing to request a showing of 571 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 Realty agent will confirm your visit, often the same day.

Is 571 S Mashta Drive, Key Biscayne, FL 33149 still available?

571 S Mashta Drive, Key Biscayne, FL 33149 is currently listed as Active, and has been on the market 6 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 571 S Mashta Drive, Key Biscayne, FL 33149?

With 20% down ($1,270,000) on the $6,350,000 list price and a 30-year fixed loan at an illustrative 6.875% rate, the estimated principal & interest for 571 S Mashta Drive, Key Biscayne, FL 33149 is about $33,372/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 571 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 571 S Mashta Drive, Key Biscayne, FL 33149. Contact Pure Equity Realty and we'll connect you with a trusted local lender to review your financing options, no obligation.

What schools serve 571 S Mashta Drive, Key Biscayne, FL 33149?

571 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 571 S Mashta Drive, Key Biscayne, FL 33149?

Often, yes. The right offer on 571 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 Realty will run the comps and help you craft a competitive, well-supported offer.

Active

6 Days on Market

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$6,350,000

571 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

Bedrooms

Bathrooms

2,761

Living Sq Ft

1964

Year Built

Estimated monthly payment

$33,372 /mo

Principal and interest only, based on $1,270,000 down (20%), a 6.875% 30-year fixed rate. Property taxes, homeowners insurance are not included.

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Listing Snapshot

Price: $6,350,000
Days on Site: 6 Days
Bedrooms: 4
Total Baths: 3
Full Baths: 3
Partial Baths: 0
Living Area: 2,761 sqft
Total Sq Ft: 3,722 sqft
Lot Size: 0.23 Acres
Year Built: 1964
Property Type: Single Family
MLS #: A12076783
Property Tax: $55,539 (2025)
Subdivision: MASHTA ISLAND A REPLAT OF
County: Miami Dade
Status: Active
Special Conditions: Listed As Is

About This Property

Enjoy your own paradise in the paradise—an exceptional, move-in-ready residence on prestigious Mashta Island, one of Key Biscayne's most exclusive and tranquil enclaves. Beautifully remodeled and designed for relaxed yet sophisticated island living, this home offers exceptional indoor and outdoor spaces to enjoy with family and friends. Outdoor living takes center stage with a heated pool and spectacular covered entertainment area featuring a custom BBQ, grill, sink, granite counters and seating for up to 12 guests—the perfect setting for weekend gatherings, celebrations and year-round enjoyment of the Key Biscayne lifestyle. Bright, inviting interiors feature a spacious open layout that seamlessly connects the living, dining and kitchen areas. The impressive chef's kitchen is equipped with premium Viking appliances, generous cooking island and abundant granite counter space. Marble flooring enhances the main living areas, while warm wood floors add character to the private bedroom spaces. The primary suite opens directly to the pool area and features a large walk-in closet and a luxurious bath with steam shower. The property is on a 10,000 SF lot with an ample circular driveway, covered garage for two vehicles and a large additional side parking.

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General Features

Property Type: Single Family
Status: Active
Year Built: 1964
Number of Stories: 1
Levels: One
Garage Spaces: 2
Attached Garage: Yes
Parking: Attached / Driveway / Garage / Garage Door Opener
Direction Faces: Southwest
Lot Size (Acres): 0.23
Living Sq Ft: 2,761
Total Sq Ft: 3,722
Sewer: Public Sewer
Water Source: Public
Zoning: 2001

Interior Features

Appliances: Dryer / Dishwasher / Electric Range / Free Standing Freezer / Disposal / Gas Range / Gas Water Heater / Ice Maker / Microwave / Oven / Refrigerator / Washer
Cooling: Central Air / Electric
Heating: Central / Electric
Flooring: Ceramic Tile / Marble / Parquet
Fireplace: Yes
Interior Features: Breakfast Bar / Built In Features / Bedroom On Main Level / Closet Cabinetry / Dining Area / Separate Formal Dining Room / Kitchen Island / Main Level Primary / Sitting Area In Primary / Separate Shower / Bar / Walk In Closets
Windows: Blinds / Other
Total Rooms: 1
Furnished: Unfurnished

Exterior Features

Construction: Block
Roof: Shingle
Exterior Features: Built In Barbecue / Barbecue / Lighting / Outdoor Living Area
Private Pool: Yes
Pool Features: Concrete / Pool Equipment
Patio & Porch: Deck / Porch

Community & HOA

Pets Allowed: Yes
Financing Terms: Cash / Conventional
Restrictions: See Remarks
MLS Area: 2520

Schools

Elementary School: Key Biscayne K-8
Middle School: Ponce De Leon
High School: Coral Gables

About the Area

Key Biscayne

View Key Biscayne Real Estate →

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 Realty agent to schedule a private showing.

Homes for Sale: 169
Median List Price: $2,560,000
Median $/Sq Ft: $1,155
Avg Days on Market: 115

View all 169 homes for sale in Key Biscayne →

Frequently Asked Questions

How do I schedule a tour of 571 S Mashta Drive, Key Biscayne, FL 33149?: Use the Tour button on this listing to request a showing of 571 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 Realty agent will confirm your visit, often the same day.
Is 571 S Mashta Drive, Key Biscayne, FL 33149 still available?: 571 S Mashta Drive, Key Biscayne, FL 33149 is currently listed as Active, and has been on the market 6 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 571 S Mashta Drive, Key Biscayne, FL 33149?: With 20% down ($1,270,000) on the $6,350,000 list price and a 30-year fixed loan at an illustrative 6.875% rate, the estimated principal & interest for 571 S Mashta Drive, Key Biscayne, FL 33149 is about $33,372/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 571 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 571 S Mashta Drive, Key Biscayne, FL 33149. Contact Pure Equity Realty and we'll connect you with a trusted local lender to review your financing options, no obligation.
What schools serve 571 S Mashta Drive, Key Biscayne, FL 33149?: 571 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 571 S Mashta Drive, Key Biscayne, FL 33149?: Often, yes. The right offer on 571 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 Realty will run the comps and help you craft a competitive, well-supported offer.

Listing courtesy of HR 19 Realty LLC

Listing information is provided by BeachesMLS, Inc.and is deemed reliable but not guaranteed accurate by the MLS or Pure Equity Realty. 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 August 30, 2026.

$6,350,000