660 S Mashta Dr Key Biscayne, FL 33149

Single Family Detached MLS #: A11526068 Courtesy Of Coldwell Banker Residential Real Estate

$16,999,000

7 beds | 8 baths | 1 half baths | 5,043 sq ft
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Est. Property Tax: $130,181
Estimated monthly payments: $85,157/mo.* (recalculate)

Property InformationDescription

Don't miss this opportunity to own a rarely available wide bay front home on S Mashta Dr featuring 100 ft of water frontage & unobstructed views. This large 2 story home has an eat in kitchen, 3 door wine chiller & separate walk-in pantry/storage area. An adjacent covered patio is separated from the kitchen by multi sliding impact doors that open & stack against each other expanding your entertaining space & bringing the outside in. The primary BR has 2 full baths & 3 walk-in closets. There are an additional 4 BR's & 4 baths on the first floor, one of which has a kitchenette & a separate entrance. A mosaic staircase leads to 2 additional bedrooms w/ensuite baths & a large shared balcony Additional amenities include heated pool, cabana bath & an expansive patio for entertaining.
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Features

  • Age: Over 50 Years Old
  • Amenities: Deck, Dock, Patio, Disabled Access, Water Front
  • Appliances: Dishwasher, Dryer, Garbage Disposer, Oven, Range, Refrigerator, Washer
  • Architecture Style: Other
  • Exterior Type: Block
  • Floor Covering: Marble

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660 S Mashta Dr, Key Biscayne, FL 33149
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School Information

660 S Mashta Dr, Key Biscayne, FL 33149

Elementary School
Grades PK-5 | Public School
KEY BISCAYNE K-8 CENTER
Key Biscayne, FL 33149
150 W McIntyre St
305.­361.5418
Distance: 0.6 mi
School Rating
A-
Student:Teacher Ratio
16:1
Total Students
1070
Middle School
Grades 6-8 | Public School
PONCE DE LEON MIDDLE SCHOOL
Miami, FL 33146
5801 Augusto St
305.­661.1611
Distance: 6.4 mi
School Rating
C
Student:Teacher Ratio
19:1
Total Students
1026
High School
Grades 9-12 | Public School
CORAL GABLES SENIOR HIGH SCHOOL
Coral Gables, FL 33146
450 Bird Rd
305.­443.4871
Distance: 6.4 mi
School Rating
B-
Student:Teacher Ratio
24:1
Total Students
2964
Other Nearby Schools Distance Type Grades School Rating
Key Biscayne Presbyterian School 1.1 mi Private PK-1
St Agnes Academy 1.2 mi Private PK-8
St Christophers 1.2 mi Private PK-6
Mast Academy 3.7 mi Public 6-12 A+
Amikids Miami-dade South 3.9 mi Public 6-12
Immaculata-la Salle High School 4.6 mi Private 9-12
Ransom Everglades School 4.9 mi Private 6-12
Mca Academy 5.1 mi Private 2-12
La Prima Casa Montessori 5.1 mi Private PK-KG
St Stephen's Episcopal Day School 5.1 mi Private PK-5
Carrollton School-sacred Heart 5.2 mi Private PK-12
Coconut Grove Elementary School 5.2 mi Public PK-5 A
Gordon Day School Of Beth David Cong. 5.2 mi Private PK-5
La Prima Casa Montessori School 5.2 mi Private PK-3
St Hugh Catholic School 5.2 mi Private PK-8
Vanguard School Of Coconut Grove Fl 5.3 mi Private UG
Coconut Grove Montessori School - Main Campus 5.4 mi Private PK-5
Coral Way K-8 Center 5.4 mi Public PK-5 B+
Silver Bluff Elementary School 5.5 mi Public PK-5 C+
This information is provided for general informational purposes only and should not be relied on in making any home-buying decisions. School information does not guarantee enrollment. Contact a local real estate professional or the school district(s) for current information on schools. This information is not intended for use in determining a person's eligibility to attend a school or to use or benefit from other city, town or local services.

Demographic Data

Key Biscayne, FL 33149

Median Age: 40.6
Married: 67%
Number of Households: 5,792
Households with Children: 44.2%
  • Occupancy Types
    • 0 Vacant
    • 0 Owned
    • 0 Rented
  • Transportation to Work
    • 0 Drive
    • 0 Public Transportation
    • 0 Walk / Bike / Other
    • 0 Work at Home
Copyright © 2025 MIAMI Association of REALTORS®. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified. Information being provided is for consumers' personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing.