$18,921,250
Key Biscayne, FL 33149
MLS# A11782312
Status: Closed
5 beds | 7 baths | 5992 sqft
1 / 58
Property Description
Waterfront. Located on Mashta Island and island within an island in Key Biscayne. The minute you walk into the house the most breathtaking Biscayne Bay views welcomes you. Breathtaking sunsets.Oversized Lot:18,300-sq.ft. 2 story home with excellent floor plan,Large living room area w/double height ceilings, family room adjacent to Kitchen area. Large dining area w/direct water views & access to pool area. 2nd floor: Master suite & 3 additional bedrooms en suite Master suite w/balcony & large walk in closet .1st floor Guest suite.Water views from every room, dining & reception area.Gazebo by the water.Open kitchen. staff area.powder room.oversized pool w/Cabana room &cabana bath.Double access ( service access &main access) Lush garden offers total privacy . Enclosed two car garage.
Details
Maps
Contract Information
Comp Sale YN: No
Occupant Type: Call Listing Agent
Listing Date: 2025-04-11
Status: Closed
Original List Price: 19000000
Sold Price: $18,921,250
Current Price: $18,921,250
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: 9
Special Assessment YN: No
Flood Zone: AE
Country: United States
Street Number: 510
Street Direction Prefix: S
Street Name: Mashta
Street Suffix: Drive
State Or Province: FL
Postal Code: 33149
Postal Code +4: 1733
Subdivision Name: MASHTA ISLAND A REPLAT OF
Area: 2520
Elementary School: Key Biscayne K-8
Middle Or Junior School: Ponce De Leon
High School: Coral Gables
Parcel Number: 2452050090190
Zoning: 2001
General Property Information
Adjusted Area Main: 5274
Living Area Main: 5226
Lot Size Area: 18300
Water Frontage Feet: 0
Senior Community YN: Yes
Outdoor Living Spaces YN: Yes
Stories Total: 2
Pool Private YN: Yes
Property Sub Type: Single Family Residence
Bedrooms Total: 5
Bathrooms Total: 7
Bathrooms Full: 6
Bathrooms Half: 1
Building Area Main: 5992
Year Built: 1981
Garage YN: 1
Attached Garage YN: 1
Garage Spaces: 2
Covered Spaces: 2
Lot Size Acres: 0.42
Waterfront YN: 1
Direction Faces: East
Financial Information
Membership Fee Required YN: No
Tax Annual Amount: 172413
Tax Year: 2024
Tax Legal Description: 5-6 55 42 MASHTA ISLAND A REPLAT OF TRS A B & C PB 65-65 LOT 18 BLK 3 LOT SIZE 100.000 X 183 OR 19131-0507 05 2000 1
Office/Member Information
DXORIGMLSID: SEF
Status Change Information
Buyer Financing: Conventional
Major Change Timestamp: 2025-07-08T22:24:19Z
Major Change Type: Status Change
Status Change Date: 2025-07-08
Under Contract Date: 2025-05-13
Close Date: 2025-07-08
Close Price: 18921250
Amenities
Other: 1
Dining Area
Breakfast Area: 1
Dining/Living Room: 1
Eat-In Kitchen: 1
Entry Information
Entry Level: 1
Flooring
Marble: 1
Wood: 1
Leasing Permitted Details
Leasing Permitted YN: Yes
Okay To Lease: 1
Parking Features
Circular Driveway: 1
Driveway: 1
Garage Door Opener: 1
Attached: 1
Attached Garage: 1
Garage: 1
Property Condition
Resale: 1
Short Sale Details
Short Sale Addendum: No
Possession
Close Of Escrow: 1
Sewer
Public Sewer: 1
Utilities
Cable Available: 1
View
Garden: 1
Heating
Central: 1
Electric: 1
Water View
Bay: 1
Appliances
Dishwasher: 1
Refrigerator: 1
Construction Materials
CBS: 1
Interior Features
Bedroom Layout - Split: 1
Built-in Features: 1
Closet Cabinetry: 1
High Ceilings: 1
Storage: 1
Levels
Two: 1
Listing Terms
Cash: 1
Conventional: 1
Pool Features
In Ground: 1
Roof
Barrel: 1
Security Features
Smoke Detector(s): 1
Water Source
Public: 1
Waterfront Features
Ocean Front: 1
Boat and Dock Information
Dock: Yes
Boat and Dock Features
Private Dock: 1
Cooling
Central Air: 1
Electric: 1
Showing Requirements
Call Listing Agent: 1
Master Bedroom/Bath
Bedroom On Entry Level: 1
Dual Sinks: 1
Master Bdrm - Ground: 1
Separate Shower: 1
Separate Tub: 1
Pets Allowed YN
Yes: 1
Pets Allowed
Pet Restrictions Possible: 1
Pool Size Details
Pool Size (WxL): 0
Tax Information
Tax Reflects No Exemptions: 1
Outdoor Living Spaces
Deck: 1
Contingencies
Other: 1
Room Types
Den: 1
Family Room: 1
Maid/In-Law Quarters: 1
Media Room: 1
Buyer Details
Intended Use: Unknown/Withheld
Concessions
Seller Concessions: No
Section Details
Parcel Number MLX: 0190
Acreage Description
1/4 To Less Than 1/2 Acre Lot: 1
Originating Details
Originating System Key: 409940079
Originating System ID: M00000151
Property Features
Dining Area: Breakfast Area; Dining/Living Room; Eat-In Kitchen
Flooring: Marble; Wood
Leasing Permitted Details: Okay To Lease
Parking Features: Circular Driveway; Driveway; Garage Door Opener; Attached; Attached Garage; Garage
Property Condition: Resale
Appliances: Dishwasher; Refrigerator
Boat and Dock Features: Private Dock
Construction Materials: CBS
Cooling: Central Air; Electric
Heating: Central; Electric
Interior Features: Bedroom Layout - Split; Built-in Features; Closet Cabinetry; High Ceilings; Storage
Levels: Two
Listing Terms: Cash; Conventional
Pets Allowed YN: Yes
Pets Allowed: Pet Restrictions Possible
Pool Features: In Ground
Possession: Close Of Escrow
Roof: Barrel
Security Features: Smoke Detector(s)
Sewer: Public Sewer
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
Outdoor Living Spaces: Deck
Contingencies: Other
Room Types: Den; Family Room; Maid/In-Law Quarters; Media Room
Acreage Description: 1/4 To Less Than 1/2 Acre Lot
Room Information
| Room Name |
| Den |
| Family Room |
| Maid/In-Law Quarters |
| Media Room |
Listing Office: DLS International Realty
Last Updated: August - 12 - 2026
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