$16,800,000
Key Biscayne, FL 33149
MLS# A11990382
4 beds | 4 baths | 4990 sqft
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Property Description
Welcome to your own slice of paradise! Enjoy breathtaking sunsets from your private dock on this waterfront property boasting 100 feet of direct Biscayne Bay frontage. Ideally located on Mashta Island. Set on a 15,000 SF lot, the home features 5 beds, 5 baths, including 2 bayfront primary suites with stunning views, impact windows and doors throughout. The open-concept layout flows seamlessly from the living and dining areas to the modern kitchen and out to the pool and entertainment patio, with floor-to-ceiling glass doors that open to blend indoor and outdoor living. Tranquil guest suite upstairs offering privacy and views. It also features an oversized 2-car garage, covered parking, and a spacious driveway for guests. Perfect to move in, renovate, or build your dream waterfront estate
Details
Maps
Contract Information
Comp Sale YN: No
Listing Date: 2026-04-02
Status: Active
Original List Price: 16800000
List Price: $16,800,000
Current Price: $16,800,000
Occupant Type: Call Listing Agent
Location and Legal
Country: United States
County Or Parish: Miami-Dade
County Parish Name: Miami-Dade
Street Number: 640
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
Elementary School: Key Biscayne K-8
Middle Or Junior School: Ponce De Leon
High School: Coral Gables
Parcel Number: 2452050080320
Subdivision Number: 8
Zoning: 2001
Flood Zone: AE
General Property Information
Property Sub Type: Single Family Residence
Bedrooms Total: 4
Bathrooms Total: 4
Bathrooms Full: 4
Building Area Main: 4990
Living Area Main: 3620
Adjusted Area Main: 4234
Year Built: 1968
Garage YN: 1
Attached Garage YN: 1
Garage Spaces: 2
Covered Spaces: 2
Lot Size Area: 15000
Lot Size Acres: 0.34
Lot Size Dimensions: 15000
Senior Community YN: No
Waterfront YN: 1
Water Frontage Feet: 100
Direction Faces: East
Pool Private YN: Yes
Financial Information
Membership Fee Required YN: No
Tax Annual Amount: 155651
Tax Year: 2025
Tax Legal Description: MASHTA ISLAND PB 60-93 LOT 9 BLK 3 LOT SIZE 100.000 X 150 OR 18642-3922 0599 1
Entry Information
Entry Level: 1
Leasing Permitted Details
Leasing Permitted YN: Yes
Boat and Dock Information
Dock: Available
Price Calculations
Current Price To SqFt: 4640.88
Section Details
Parcel Number MLX: 0320
Status Change Information
Major Change Timestamp: 2026-04-02T04:00:00Z
Major Change Type: New Listing
Status Change Date: 2026-04-02
Originating Details
Originating System Key: 446223578
Originating System ID: M00000151
Property Features
Dining Area: Breakfast Area; Dining/Living Room; L Shaped Dining
Exterior Features: Other
Flooring: Other
Leasing Permitted Details: Okay To Lease
Parking Features: Driveway; Garage Door Opener; Guest; Attached; Attached Garage; Garage
Property Condition: Resale
Appliances: Dishwasher
Architectural Style: Other
Construction Materials: Block
Cooling: Central Air
Heating: Other
Interior Features: Bedroom Layout - Split; Entrance Foyer; Pantry; Vaulted Ceiling(s); Walk-In Closet(s)
Listing Terms: Cash; Conventional
Pets Allowed YN: Yes
Pets Allowed: Dogs OK
Pool Features: In Ground
Possession: Close Of Escrow
Road Frontage Type: Public Road
Roof: Barrel
Sewer: Public Sewer
Special Information: Sold As-Is
Tax Information: Tax Reflects No Exemptions
Utilities: Cable Available
View: Garden
Water Source: Public
Water View: Bay
Waterfront Features: Ocean Front
Showing Requirements: Call Listing Agent
Room Types: Garage Converted
Room Information
| Room Name |
| Garage Converted |
Listing Office: DLS International Realty
Last Updated: September - 19 - 2026
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