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511 N Mashta Dr, Key Biscayne FL 33149

House Recently Sold
$11,800,000

BTC: 184.37500000

ETH: 6,555.55555556

Sold on: 2022-04-08
56 days
Waterfront
3 bds
3 ba
4,510 sqft

Overview

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.

Location

Details

Type:
Residential
Parking:
Covered / Driveway / Rv/Boat Parking / Limited # Of Vehicle
Year Built:
1985
Lot:
31966 Square Feet
Heating:
Reverse Cycle Unit
Price/sqft:
$2,772
Cooling:
Ceiling Fan(s) / Central Air / Electric
HOA:
No Data

Valuation

Our model vs. what's actually selling nearby.
Estimate
$2,700,000
$2.3M – $8.9M
Confidence Low
List vs. estimate
$9.8M above estimate
List $12,500,000 · +363.0%
Our model says this listing is priced above recent comparable activity. Room to negotiate.
Price per sq ft
$2,771
+43.9% vs. city median $1,925
Based on
5 MLS comparables
+ 22 public-records sales within 0.5 mi
Median actual sale: $3.5M
Median of recent comparable listings. Sold comps use closing price, active listings use list price.

Highlights

Annual tax
$147,267
2021
Pool
Other
View
Water
Waterfront
Ocean Access, Seawall
All facts and features
  • Flooring

    • Wood

    Heating

    • Reverse Cycle Unit

    Cooling

    • Ceiling Fan(s)

    • Central Air

    • Electric

    Appliances

    • Dishwasher

    • Electric Range

    • Refrigerator

    • Wall Oven

    • Washer

    Other interior features

    • Built-in Features

    • Cooking Island

    • Walk-In Closet(s)

    • Storage

    Bedrooms and bathrooms

    • Bedrooms: 3

    • Full bathrooms: 3

  • Parking

    • Covered

    • Driveway

    • Rv/Boat Parking

    • Limited # Of Vehicle

    Property

    • Exterior Features: Fruit Trees

    Lot

    • Lot: 31966 Square Feet

    Other Property Information

    • Parcel Number: 24-52-05-009-0080

    • Zoning: 2001

  • Type and style

    • Property Type: Residential

    • Property Sub Type: Single Family Residence

  • Other financial information

    • Annual tax amount: $147,267

  • Source details

    • MLS ID: A11145202

    Other facts

    • Construction Materials: Other

    • Lot Features: 1/2 To Less Than 3/4 Acre Lot

    • Patio And Porch Features: Open Porch

    • Pool Features: Other / Pool/Spa Combo

    • Direction Faces: West

    • Other Structures: Extra Building/Shed / Guest House

    • Architectural Style: Attached / One Story

    • Waterfront: Yes

    • Living Area: 4510

    • Water Source: Municipal Water

    • Subdivision Name: MASHTA ISLAND A REPLAT OF

Private inquiry
Talk to the advisor on this listing.
Floor plans, HOA docs, off-market comparables, scheduling a private showing — one message, direct to the local specialist.

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The multiple listing information is provided by the Miami Association of REALTORS® from a copyrighted compilation of listings. The compilation of listings and each individual listing are ©2026-present Miami Association of REALTORS®. All Rights Reserved. The information provided is for consumers' personal, noncommercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. All properties are subject to prior sale or withdrawal. All information provided is deemed reliable but is not guaranteed accurate, and should be independently verified. Listing courtesy of: The Corcoran Group