511 N Mashta Drive, Key Biscayne, FL 33149

$11,800,000

Virtual Tour

https://app.immoviewer.com/landing/unbranded/61de93a4632d5021dcbaec05

Property Type: Residential Bedrooms: 3 Baths: 3 Square Footage: 5,159 Status: Closed

Current Price: $11,800,000 List Date: 1/12/2022 Last Modified: 12/25/2025

Overview

Description

Exceptional and rare opportunity to renovate or build your dream home on one of the most sought-after double plus lots on wide-bodied Hurricane Harbour. Oversized 31,966 sq ft lot. includes 152 linear ft seawall and long deck jetting into the harbor. Ideal for multiple boat dockage and/or yacht. This unique custom Polynesian style pool home and guest house features Guyana Greenheart wood, teak, copper, and coral rock.

Listing Details MLS# A11145202

General Property Information

Property Sub Type: Single Family Residence
Bedrooms Total: 3
Bathrooms Total: 3
Bathrooms Full: 3
Building Area Main: 5159
Living Area Main: 4510
Adjusted Area Main: 3934
Year Built: 1985
Carport YN: Yes
Carport Spaces: 4
Covered Spaces: 4
Lot Size Area: 31966
Lot Size Acres: 0.73
Senior Community YN: Yes
Guest House YN: Yes
Waterfront YN: Yes
Water Frontage Feet: 152
Outdoor Living Spaces YN: Yes
Stories Total: Yes
Direction Faces: West
Pool Private YN: Yes

Property Features

Dining Area: Formal Dining; Snack Bar/Counter Flooring: Wood Guest House Features: 1 Bath; Efficiency Parking Features: Boat Access/Parking; Covered; Driveway; RV Access/Parking Property Condition: Resale Appliances: Dishwasher; Electric Range; Oven; Refrigerator; Washer Boat and Dock Features: Private Dock Construction Materials: Other Cooling: Ceiling Fan(s); Central Air; Electric Heating: Heat Pump Interior Features: Built-in Features; Kitchen Island; Storage; Walk-In Closet(s) Levels: One Listing Terms: Cash; Conventional Lot Features: Fruit Tree(s) Other Structures: Outbuilding Pool Features: Pool/Spa Combo; Other Possession: Negotiable Restrictions: Limited # Vehicles; No Restrictions Roof: Concrete Sewer: Public Sewer Tax Information: Tax Reflects No Exemptions View: Water Water Access: Ocean Access Water Source: Public Waterfront Features: Bayfront; Seawall Showing Requirements: 24 Hour Notice; Appointment Only Outdoor Living Spaces: Porch Porch Details: Porch - Open Contingencies: None Acreage Description: 1/2 To Less Than 1 Acre Lot

Contract Information

Comp Sale YN: No
Original List Price: 12500000
Occupant Type: Call Listing Agent

Location and Legal

Country: United States
County Or Parish: Miami-Dade
County Parish Name: Miami-Dade
Street Number: 511
Street Direction Prefix: N
Street Name: Mashta
Street Suffix: Drive
City Name: Key Biscayne
Municipal Code: 24
State Or Province: FL
Postal Code: 33149
Postal Code +4: 1718
Postal Zip: 33149
Subdivision Name: MASHTA ISLAND A REPLAT OF
Area: 2520
Parcel Number: 2452050090080
Subdivision Number: 9
Zoning: 2001
Flood Zone: AE

Financial Information

Membership Fee Required YN: No
Tax Annual Amount: 147267
Tax Year: 2021
Tax Legal Description: MASHTA ISLAND A REPLAT OF TRS A B & C PB 65-65 LOT 15 LESS NWLY 25FT & LOT 16 LESS SELY 25FT BLK 1 LOT SIZE 31,966 SQ FT COC 26381-3496 04 2

Status Change Information

Major Change Timestamp: 2022-04-09T03:46:18Z
Major Change Type: Status Change
Price Change Timestamp: 2022-01-11T18:01:15Z
Status Change Date: 2022-04-20
Under Contract Date: 2022-03-08
Close Date: 2022-04-08
Close Price: 11800000
Buyer Financing: Cash

More Information

Boat and Dock Information

Dock: Yes

Pool Size Details

Pool Size (WxL): 0X0

Buyer Details

Intended Use: Unknown/Withheld

Concessions

Seller Concessions: No

Price Calculations

Current Price To SqFt: 2616.41

Section Details

Parcel Number MLX: 0080

Originating Details

Originating System Key: 365681219
Originating System ID: M00000151

Office/Member Information

DXORIGMLSID: SEF

Amenities

None: Yes

Dining Area

Formal Dining: Yes
Snack Bar/Counter: Yes

Flooring

Wood: Yes

Guest House Features

1 Bath: Yes
Efficiency: Yes

Parking Features

Boat Access/Parking: Yes
Covered: Yes
Driveway: Yes
RV Access/Parking: Yes

Property Condition

Resale: Yes

Other Structures

Outbuilding: Yes

Possession

Negotiable: Yes

Sewer

Public Sewer: Yes

View

Water: Yes

Heating

Heat Pump: Yes

Water Access

Ocean Access: Yes

Appliances

Dishwasher: Yes
Electric Range: Yes
Oven: Yes
Refrigerator: Yes
Washer: Yes

Construction Materials

Other: Yes

Interior Features

Built-in Features: Yes
Kitchen Island: Yes
Storage: Yes
Walk-In Closet(s): Yes

Levels

One: Yes

Listing Terms

Cash: Yes
Conventional: Yes

Lot Features

Fruit Tree(s): Yes

Pool Features

Pool/Spa Combo: Yes
Other: Yes

Roof

Concrete: Yes

Water Source

Public: Yes

Waterfront Features

Bayfront: Yes
Seawall: Yes

Boat and Dock Features

Private Dock: Yes

Cooling

Ceiling Fan(s): Yes
Central Air: Yes
Electric: Yes

Showing Requirements

24 Hour Notice: Yes
Appointment Only: Yes

Master Bedroom/Bath

Other: Yes

Restrictions

Limited # Vehicles: Yes
No Restrictions: Yes

Tax Information

Tax Reflects No Exemptions: Yes

Outdoor Living Spaces

Porch: Yes

Porch Details

Porch - Open: Yes

Contingencies

None: Yes

Acreage Description

1/2 To Less Than 1 Acre Lot: Yes

Listing Office: The Corcoran Group

Last Updated: December - 25 - 2025

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.

511 N Mashta Drive, Key Biscayne, FL 33149 (MLS# A11145202)