$17,400,000
Key Biscayne, FL 33149
MLS# A10811961
Status: Closed
6 beds | 8 baths | 14969 sqft
1 / 13
Property Description
Enjoy ocean and sunset views from this 2014 Mashta Island estate on a 23,814 SqFt oversized lot with 138ft of water frontage. This custom-built home, inspired by Modern architect Richard Meier, features pure geometric lines and integrated open spaces with an emphasis on natural light. Unique features include a 3-story curved glass curtain wall, 14 skylights over a 27-ft high atrium, NanaWall folding glass doors, elevator, gym, dock, staff quarters, 4-car garage, generator and smart home technology.
Details
Maps
Contract Information
Comp Sale YN: No
Occupant Type: Owner
Listing Date: 2020-02-04
Status: Closed
Original List Price: 18200000
Sold Price: $17,400,000
Current Price: $17,400,000
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: 9
Flood Zone: AE
Country: United States
Street Number: 500
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: Madison
Parcel Number: 2452050090200
Zoning: 2001
Directions: Once you enter the village of Key Biscayne, turn right onto Harbor Drive. After 1.6 miles, turn right onto W Mashta Drive. After 0.2 miles, 500 S Mashta will be straight ahead of you.
General Property Information
Adjusted Area Main: 11149
Living Area Main: 10820
Lot Size Dimensions: 126x189
Lot Size Area: 23814
Water Frontage Feet: 138
Senior Community YN: Yes
Outdoor Living Spaces YN: Yes
Furnished: Unfurnished
Stories Total: 3
Pool Private YN: Yes
Spa YN: Yes
Property Sub Type: Single Family Residence
Bedrooms Total: 6
Bathrooms Total: 8
Bathrooms Full: 6
Bathrooms Half: 2
Building Area Main: 14969
Year Built: 2014
Garage YN: 1
Attached Garage YN: 1
Garage Spaces: 4
Covered Spaces: 4
Lot Size Acres: 0.55
Waterfront YN: 1
Direction Faces: Southwest
Financial Information
Membership Fee Required YN: No
Tax Annual Amount: 208849
Tax Year: 2015
Tax Legal Description: 5-6 55 42 PB 65-65 MASHTA ISLAND A REPLAT OF TRS A B & C PB 65-65 LOT 19 BLK 3 LOT SIZE 126.000 X 189 COC 23768-4016 09 2005 1
Office/Member Information
DXORIGMLSID: SEF
Status Change Information
Buyer Financing: Cash
Major Change Timestamp: 2021-04-13T23:44:28Z
Major Change Type: Status Change
Price Change Timestamp: 2021-02-22T16:00:41Z
Status Change Date: 2021-04-27
Under Contract Date: 2021-02-16
Close Date: 2021-04-13
Close Price: 17400000
Amenities
None: 1
Dining Area
Breakfast Area: 1
Eat-In Kitchen: 1
Formal Dining: 1
Exterior Features
Awning(s): 1
Lighting: 1
Flooring
Marble: 1
Wood: 1
Parking Features
Garage Door Opener: 1
Guest: 1
Attached: 1
Attached Garage: 1
Garage: 1
Property Condition
New Construction: 1
Fencing
Fenced: 1
Possession
Negotiable: 1
Sewer
Public Sewer: 1
Special Information
Sold As-Is: 1
Utilities
Cable Available: 1
Heating
Central: 1
Electric: 1
Sprinkler Description
Auto Sprinkler: 1
Water Access
Ocean Access: 1
Water View
Bay: 1
Direct Ocean: 1
Window Features
Blinds: 1
Skylight(s): 1
Tinted Windows: 1
Appliances
Dishwasher: 1
Disposal: 1
Dryer: 1
Gas Range: 1
Microwave: 1
Refrigerator: 1
Washer: 1
Construction Materials
CBS: 1
Interior Features
Built-in Features: 1
Central Vacuum: 1
Closet Cabinetry: 1
Elevator: 1
Entrance Foyer: 1
High Ceilings: 1
Storage: 1
Walk-In Closet(s): 1
Levels
Three Or More: 1
Listing Terms
Cash: 1
Conventional: 1
Lot Features
Oversized Lot: 1
Pool Features
Heated: 1
Pool Sweep: 1
Pool/Spa Combo: 1
Roof
Metal: 1
Security Features
Security System: 1
Smoke Detector(s): 1
Water Source
Public: 1
Waterfront Features
Bayfront: 1
Ocean Front: 1
Seawall: 1
Water Heater Details
Electric Water Heater: 1
Gas Water Heater: 1
Boat and Dock Information
Dock: Yes
Boat and Dock Features
Hoist/Davit: 1
Private Dock: 1
Cooling
Central Air: 1
Electric: 1
Showing Requirements
Call Listing Agent: 1
Master Bedroom/Bath
Bidet: 1
Dual Sinks: 1
Master Bdrm - Sitting: 1
Master Bdrm - Upstairs: 1
Separate Shower: 1
Separate Tub: 1
Whirlpool Tub: 1
Pool Size Details
Pool Size (WxL): 46x16
Restrictions
No Restrictions: 1
Storm Protection
Impact Glass: Partial
Tax Information
City/County: 1
Outdoor Living Spaces
Deck: 1
Patio: 1
Contingencies
None: 1
Room Types
Atrium: 1
Den: 1
Family Room: 1
Laundry: 1
Maid/In-Law Quarters: 1
Buyer Details
Intended Use: Unknown/Withheld
Concessions
Seller Concessions: No
Price Calculations
Current Price To SqFt: 1608.13
Section Details
Parcel Number MLX: 0200
Acreage Description
1/2 To Less Than 1 Acre Lot: 1
Originating Details
Originating System Key: 342860384
Originating System ID: M00000151
Property Features
Dining Area: Breakfast Area; Eat-In Kitchen; Formal Dining
Exterior Features: Awning(s); Lighting
Flooring: Marble; Wood
Parking Features: Garage Door Opener; Guest; Attached; Attached Garage; Garage
Property Condition: New Construction
Appliances: Dishwasher; Disposal; Dryer; Gas Range; Microwave; Refrigerator; Washer
Water Heater Details: Electric Water Heater; Gas Water Heater
Boat and Dock Features: Hoist/Davit; Private Dock
Construction Materials: CBS
Cooling: Central Air; Electric
Fencing: Fenced
Heating: Central; Electric
Interior Features: Built-in Features; Central Vacuum; Closet Cabinetry; Elevator; Entrance Foyer; High Ceilings; Storage; Walk-In Closet(s)
Levels: Three Or More
Listing Terms: Cash; Conventional
Lot Features: Oversized Lot
Pool Features: Heated; Pool Sweep; Pool/Spa Combo
Possession: Negotiable
Restrictions: No Restrictions
Roof: Metal
Security Features: Security System; Smoke Detector(s)
Sewer: Public Sewer
Special Information: Sold As-Is
Sprinkler Description: Auto Sprinkler
Tax Information: City/County
Utilities: Cable Available
Water Access: Ocean Access
Water Source: Public
Water View: Bay; Direct Ocean
Waterfront Features: Bayfront; Ocean Front; Seawall
Window Features: Blinds; Skylight(s); Tinted Windows
Showing Requirements: Call Listing Agent
Outdoor Living Spaces: Deck; Patio
Contingencies: None
Room Types: Atrium; Den; Family Room; Laundry; Maid/In-Law Quarters
Acreage Description: 1/2 To Less Than 1 Acre Lot
Room Information
| Room Name |
| Atrium |
| Den |
| Family Room |
| Maid/In-Law Quarters |
| Laundry |
Listing Office: One Sotheby's International Realty
Last Updated: August - 08 - 2026
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