Single Family Residence
571 S Mashta Dr
571 S Mashta Dr, Key Biscayne FL 33149 Get directions
$6,350,000
4 Beds · 3 Baths · 2,761 SqFt
See estimated monthly costThis listing is courtesy of HR 19 Realty LLC. Adolfo Yanes Luciani
Overview
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.
Facts & features
Interior
- Living area (sq ft)
- 2,761
- Full bathrooms
- 3
- Furnished
- Unfurnished
- First Floor Entry
- Bar
- Built-in Features
- Closet Cabinetry
- Cooking Island
- Walk-In Closet(s)
- Family Room
Building & exterior
- Year built
- 1964
- Lot size (sq ft)
- 10,000
- Garage spaces
- 2
- Covered spaces
- 2
- None
- Barbeque
- Built-In Grill
- Lighting
- Driveway
HOA (homeowners association)
- Pets allowed
- Yes
- See Broker Remarks
Taxes
- Annual tax
- $55,539
- Tax year
- 2025
- Parcel number
- 24-52-05-009-0370
Assigned schools
- Elementary
- Keybiscayne
- Middle
- Ponce De Leon
- High
- Mast Academy
Listing
- MLS number
- A12076783
- Property type
- Single Family Residence
- Price per SqFt
- $2,300
- Subdivision
- MASHTA ISLAND A REPLAT OF
- On market since
- Aug 24, 2026
- Days on market
- 6
Price history
| Date | Event | Price | Change |
|---|---|---|---|
| Aug 24, 2026 | Listed | $5,950,000 | — |
| Aug 29, 2026 | Price change | $6,350,000 | +$400,000 (+6.7%) |
Milestones recorded on this listing. Not a complete MLS price history.
Estimated monthly cost
$41,500 per month
- Principal & interest (30 yr)
- $32,109
- Property tax
- $4,628
- Insurance (estimated)
- $4,763
An estimate for comparison only — not a loan offer, a quote, or a commitment to lend. Actual taxes, insurance and financing terms will differ.
Location
Nearby schools
- Key Biscayne K-8 Center
Similar homes nearby
Active listings within two miles, with a comparable size and price.
685 Harbor Ln, Key Biscayne FL 33149
Avanti Way Realty LLC
755 Curtiswood Dr, Key Biscayne FL 33149
Scale Commercial Realty
690 Warren Ln, Key Biscayne FL 33149
Price cut: $100,000 (−1.8%)
One Sotheby's International Realty
335 W Enid Dr, Key Biscayne FL 33149
BHHS EWM Realty
797 Glenridge Rd, Key Biscayne FL 33149
Price cut: $100,000 (−1.9%)
Swann Realty Partners, LLC.
501 Bay Lane, Key Biscayne FL 33149
One Sotheby's International Realty
571 Glenridge Rd, Key Biscayne FL 33149
Luxe Living Realty
24 Grand Bay Estates Circle, Key Biscayne FL 33149
$1,509/mo HOA
Price cut: $51,000 (−1.0%)
Engel & Voelkers Vero Beach
Copyright SEFMLS © 2026. 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, is a violation of the terms of use, and may violate federal and state law.