$13,800,000
660 S Mashta Drive
Key Biscayne, FL 33149
MLS# A11526068
Status: Closed
7 beds  |  9 baths  |  6195 sqft


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Photo 33 Photo 34 Photo 35 Photo 36 kitchenette in guest BR w/private entance Photo 38 Photo 39 Photo 40

Property Description
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.

Details
Maps
Contract Information
Comp Sale YN: No
Listing Date: 2024-01-19
Status: Closed
Original List Price: 21950000
Sold Price: $13,800,000
Current Price: $13,800,000
Occupant Type: Call Listing Agent
Location and Legal
Country: United States
County Or Parish: Miami-Dade
County Parish Name: Miami-Dade
Street Number: 660
Street Direction Prefix: S
Street Name: Mashta
Street Suffix: Drive
City Name: Key Biscayne
Municipal Code: 24
State Or Province: FL
Postal Code: 33149
Postal Code +4: 1735
Postal Zip: 33149
Subdivision Name: MASHTA ISLAND
Area: 2520
Parcel Number: 2452050080300
Subdivision Number: 8
Zoning: 2001
Flood Zone: AE
General Property Information
Property Sub Type: Single Family Residence
Bedrooms Total: 7
Bathrooms Total: 9
Bathrooms Full: 8
Bathrooms Half: 1
Building Area Main: 6195
Living Area Main: 5043
Adjusted Area Main: 5218
Accessibility Features YN: Yes
Year Built: 1965
Lot Size Area: 15000
Lot Size Acres: 0.34
Senior Community YN: Yes
Waterfront YN: 1
Water Frontage Feet: 100
Outdoor Living Spaces YN: Yes
Stories Total: 2
Direction Faces: Northeast
Pool Private YN: Yes
Financial Information
Membership Fee Required YN: No
Tax Annual Amount: 130181
Tax Year: 2023
Tax Legal Description: 5-6 55 42 MASHTA ISLAND PB 60-93 LOT 7 BLK 3 LOT SIZE 100.000 X 150 OR 18163-4481 0698 1
Status Change Information
Major Change Timestamp: 2025-03-28T07:39:08Z
Major Change Type: Status Change
Price Change Timestamp: 2024-09-16T14:20:39Z
Status Change Date: 2025-03-31
Under Contract Date: 2025-02-18
Close Date: 2025-03-28
Close Price: 13800000
Buyer Financing: Cash
Entry Information
Entry Level: 1
Leasing Permitted Details
Leasing Permitted YN: Yes
Buyer Details
Intended Use: Unknown/Withheld
Concessions
Seller Concessions: No
Price Calculations
Current Price To SqFt: 2736.47
Section Details
Parcel Number MLX: 0300
Originating Details
Originating System Key: 391419438
Originating System ID: M00000151
Property Features
Accessibility Features: Accessible Approach with Ramp; Accessible Doors; Accessible Full Bath; Accessible Hallway(s)
Dining Area: Eat-In Kitchen
Flooring: Marble
Leasing Permitted Details: Okay To Lease
Parking Features: Driveway
Property Condition: Resale
Appliances: Dishwasher; Disposal; Dryer; Electric Range; Oven; Refrigerator; Washer
Construction Materials: CBS
Cooling: Electric
Fencing: Fenced
Heating: Electric
Interior Features: Built-in Features; Pantry; Walk-In Closet(s)
Levels: Two
Listing Terms: Cash; Conventional
Pool Features: Heated; Pool Bath
Possession: Negotiable
Road Frontage Type: Public Road
Roof: Other
Security Features: Security System
Sewer: Public Sewer
Sprinkler Description: Auto Sprinkler
Tax Information: Tax Reflects No Exemptions
Water Access: Other
Water Source: Public
Water View: Bay
Waterfront Features: Bayfront; Seawall; No Fixed Bridges
Showing Requirements: 24 Hour Notice; Appointment Only; Call Listing Agent
Outdoor Living Spaces: Deck; Patio
Contingencies: Other
Room Types: Laundry
Acreage Description: 1/4 To Less Than 1/2 Acre Lot
Room Information
Room Name
Laundry

IDX
Listing Office: Coldwell Banker Realty
Source MLS Verified

Last Updated: August - 09 - 2026

This information is not verified for authenticity or accuracy and is not guaranteed and may not reflect all real estate activity in the market. Copyright 2026 Beaches Multiple Listing Service, Inc. All rights reserved. Information Not Guaranteed and Must Be Confirmed by End User. Site contains live data.


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