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660 S Mashta Drive, Key Biscayne, FL 33149

$13,800,000

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https://www.propertypanorama.com/instaview/mia/A11526068

Property Type: Residential Bedrooms: 7 Baths: 9 Square Footage: 6,195 Status: Closed

Current Price: $13,800,000 List Date: 1/19/2024 Last Modified: 12/25/2025

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.

More Information MLS# A11526068

Contract Information

Comp Sale YN: No Occupant Type: Call Listing Agent Listing Date: 2024-01-19 Status: Closed Original List Price: 21950000 Sold Price: $13,800,000 Current Price: $13,800,000

Location and Legal

County Or Parish: Miami-Dade County Parish Name: Miami-Dade City Name: Key Biscayne Municipal Code: 24 Postal Zip: 33149 Subdivision Number: 8 Flood Zone: AE Country: United States Street Number: 660 Street Direction Prefix: S Street Name: Mashta Street Suffix: Drive State Or Province: FL Postal Code: 33149 Postal Code +4: 1735 Subdivision Name: MASHTA ISLAND Area: 2520 Parcel Number: 2452050080300 Zoning: 2001

General Property Information

Adjusted Area Main: 5218 Living Area Main: 5043 Accessibility Features YN: Yes Lot Size Area: 15000 Water Frontage Feet: 100 Senior Community YN: Yes Outdoor Living Spaces YN: Yes Stories Total: 2 Pool Private YN: Yes Property Sub Type: Single Family Residence Bedrooms Total: 7 Bathrooms Total: 9 Bathrooms Full: 8 Bathrooms Half: 1 Building Area Main: 6195 Year Built: 1965 Lot Size Acres: 0.34 Waterfront YN: 1 Direction Faces: Northeast

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

Office/Member Information

DXORIGMLSID: SEF

Status Change Information

Buyer Financing: Cash 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

Accessibility Features

Accessible Approach with Ramp: 1 Accessible Doors: 1 Accessible Full Bath: 1 Accessible Hallway(s): 1

Dining Area

Eat-In Kitchen: 1

Entry Information

Entry Level: 1

Flooring

Marble: 1

Leasing Permitted Details

Leasing Permitted YN: Yes Okay To Lease: 1

Parking Features

Driveway: 1

Property Condition

Resale: 1

Fencing

Fenced: 1

Possession

Negotiable: 1

Sewer

Public Sewer: 1

Heating

Electric: 1

Sprinkler Description

Auto Sprinkler: 1

Water Access

Other: 1

Water View

Bay: 1

Appliances

Dishwasher: 1 Disposal: 1 Dryer: 1 Electric Range: 1 Oven: 1 Refrigerator: 1 Washer: 1

Construction Materials

CBS: 1

Interior Features

Built-in Features: 1 Pantry: 1 Walk-In Closet(s): 1

Levels

Two: 1

Listing Terms

Cash: 1 Conventional: 1

Pool Features

Heated: 1 Pool Bath: 1

Road Frontage Type

Public Road: 1

Roof

Other: 1

Security Features

Security System: 1

Water Source

Public: 1

Waterfront Features

Bayfront: 1 Seawall: 1 No Fixed Bridges: 1

Cooling

Electric: 1

Showing Requirements

24 Hour Notice: 1 Appointment Only: 1 Call Listing Agent: 1

Master Bedroom/Bath

2 Master Baths: 1 Master Bdrm - Ground: 1 Separate Shower: 1

Pool Size Details

Pool Size (WxL): 0

Tax Information

Tax Reflects No Exemptions: 1

Outdoor Living Spaces

Deck: 1 Patio: 1

Contingencies

Other: 1

Room Types

Laundry: 1

Buyer Details

Intended Use: Unknown/Withheld

Concessions

Seller Concessions: No

Price Calculations

Current Price To SqFt: 2736.47

Section Details

Parcel Number MLX: 0300

Acreage Description

1/4 To Less Than 1/2 Acre Lot: 1

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

Laundry

Listing Office: Coldwell Banker Realty

Last Updated: December - 25 - 2025

660 S Mashta Drive, Key Biscayne, FL 33149- MLS# A11526068

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