$5,799,000

669 S Mashta Dr Key Biscayne, FL 33149

Estimated payment $32,974/month

Total Views 995
4 Beds
3.5 Baths
3,382 Sq Ft
$1,715 Price per Sq Ft

Highlights

  • Above Ground Pool
  • Vaulted Ceiling
  • Main Floor Bedroom
  • Key Biscayne K-8 Center Rated A-
  • Roman Tub
  • Garden View

About This Home

Located on the exclusive and highly sought-after Mashta Island, this exceptional property offers a rare opportunity to build your dream home or enjoy the existing beautifully refurbished residence. The home features new bathrooms, updated flooring, and tasteful modern finishes throughout. Designed for relaxed Florida living, the spacious covered terrace overlooks a stunning mosaic-tiled pool, creating the perfect setting for entertaining or enjoying the tropical surroundings. A unique opportunity in one of Key Biscayne's most desirable neighborhoods. Easy to show.

Listing Agent

Maureen Jauregui

Coldwell Banker Realty License #0549977 Listed on: 06/05/2026

Coldwell Banker Realty

Co-Listing Agent

Emma Jauregui

Coldwell Banker Realty License #3257300

Home Details

Home Type

  • Single Family

Est. Annual Taxes

  • $22,013

Year Built

  • Built in 1960

Lot Details

  • 10,000 Sq Ft Lot
  • West Facing Home
  • Property is zoned 2001

Home Design

  • Tar and Gravel Roof
  • Concrete Block And Stucco Construction

Interior Spaces

  • 3,382 Sq Ft Home
  • 2-Story Property
  • Vaulted Ceiling
  • Blinds
  • Formal Dining Room
  • Sun or Florida Room
  • Vinyl Flooring
  • Garden Views

Kitchen

  • Breakfast Area or Nook
  • Built-In Self-Cleaning Oven
  • Gas Range
  • Dishwasher
  • Disposal

Bedrooms and Bathrooms

  • 4 Bedrooms
  • Main Floor Bedroom
  • Split Bedroom Floorplan
  • Dual Sinks
  • Roman Tub
  • Separate Shower in Primary Bathroom

Laundry

  • Dryer
  • Washer

Home Security

  • Partial Accordion Shutters
  • Partial Impact Glass
  • Fire and Smoke Detector

Parking

  • Driveway
  • Open Parking

Pool

  • Above Ground Pool
  • Outdoor Shower

Outdoor Features

  • Patio

Schools

  • Keybiscayne Elementary School
  • Ponce De Leon Middle School
  • Coral Gables High School

Utilities

  • Central Air
  • Heat Strip

Community Details

  • No Home Owners Association
  • Voluntary home owners association
  • Mashta Island Subdivision

Listing and Financial Details

  • Assessor Parcel Number 24-52-05-008-0180

Home Details

Home Type

Single Family

Est. Annual Taxes

$22,013

Year Built

Built in 1960

Lot Details

10,000 Sq Ft Lot

Listing Details

  • Property Type: Residential
  • Year Built: 1960
  • Property Sub Type: Single Family Residence
  • Architectural Style: Attached, Two Story
  • Co List Office Mls Id: CBRE07
  • Co List Office Phone: 305-361-5722
  • Garage Yn: No
  • Horses: No
  • New Construction: No
  • Structure Type: Pool Only, House
  • Subdivision Name: MASHTA ISLAND
  • Year Built Details: Unknown
  • MIAMIRE_PoolYN: Yes
  • MIAMIRE_PetsAllowedYN: Yes
  • MIAMIRE_MembershipPurchRqdYN: No
  • CurrentPrice: 5799000
  • InternetRemarks: Located on the exclusive,highly sought after Mashta Island, this exceptional property offers a rare opportunity to build your dream home.
  • ShowingTimeFlag: No
  • Special Features: VirtualTour

Interior Features

  • Appliances: Dishwasher, Disposal, Dryer, Gas Range, Refrigerator, Self Cleaning Oven, Wall Oven, Washer
  • Interior Amenities: Roman Tub, Split Bedroom, Volume Ceilings, Florida Room
  • Full Bathrooms: 3
  • Half Bathrooms: 1
  • Total Bedrooms: 4
  • Flooring: Vinyl
  • Living Area: 3382
  • Window Features: Clear Impact Glass, Partial Accordian Shutters, Partial Impact Glass, Hurricane Shutters, Blinds, Impact Glass
  • Bedroom Features: At Least 1 Bedroom Ground Level
  • Dining Room Features: Breakfast Area, Formal Dining
  • Living Room Features: Florida Room
  • Master Bathroom Features: Dual Sinks, Separate Tub & Shower

Exterior Features

  • Roof: Tar & Gravel Roof
  • View: Garden
  • Exterior Features: Outdoor Shower
  • Construction Type: CBS Construction
  • Direction Faces: West
  • Lot Features: Less Than 1/4 Acre Lot
  • Patio And Porch Features: Patio
  • Pool Features: Above Ground
  • Pool Private: No
  • View: Yes
  • Waterfront: No

Garage/Parking

  • Park Building Name: MASHTA ISLAND
  • Open Parking: Yes
  • Parking Features: Driveway

Utilities

  • Sewer: Public Sewer
  • Water Source: Municipal Water
  • Cooling: Central Air
  • Cooling Y N: Yes
  • Electric: Circuit Breakers
  • Heating: Heat Strip
  • Heating Yn: Yes
  • Security: Smoke Detector

Condo/Co-op/Association

  • Association: No
  • Community Features: Public Road, Voluntary Hoa

Association/Amenities

  • MIAMIRE_TypeofAssociation: None

Schools

  • Elementary School: Keybiscayne
  • High School: Coral Gables
  • Middle Or Junior School: Ponce De Leon

Lot Info

  • Parcel Number: 24-52-05-008-0180
  • Lot Size Sq Ft: 10000
  • Zoning: 2001

Tax Info

  • Tax Year: 2025
  • Tax Annual Amount: 22013

Map

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Home Values in the Area

Source: Public Records

Average Home Value in this Area





Source: Public Records

Tax History

We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.

Year Tax Paid Tax Assessment Tax Assessment Total Assessment is a certain percentage of the fair market value that is determined by local assessors to be the total taxable value of land and additions on the property. Land Improvement
2025 $22,931 $1,420,458 -- --
2024 $22,116 $1,380,426 -- --
2023 $22,116 $1,340,220 $0 $0
2022 $21,199 $1,301,185 $0 $0
2021 $21,242 $1,263,287 $0 $0
2020 $19,964 $1,245,846 $0 $0
2019 $19,550 $1,217,836 $0 $0
2018 $18,517 $1,195,129 $0 $0
2017 $18,288 $1,170,548 $0 $0
2016 $18,353 $1,146,473 $0 $0
2015 $18,616 $1,138,504 $0 $0
2014 $18,903 $1,129,469 $0 $0
Source: Public Records

Property History

We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.

Date Event Price List to Sale Price per Sq Ft Prior Sale
06/05/2026 06/05/26 For Sale $5,799,000 +22.1% $1,715 / Sq Ft
02/04/2026 02/04/26 Sold $4,750,000 -4.0% $1,404 / Sq Ft View Prior Sale
01/08/2026 01/08/26 Pending -- -- --
11/30/2025 11/30/25 For Sale $4,950,000 +42.9% $1,464 / Sq Ft
06/27/2025 06/27/25 Sold $3,465,000 -11.2% $1,025 / Sq Ft View Prior Sale
06/17/2025 06/17/25 Pending -- -- --
03/11/2025 03/11/25 Price Changed $3,900,000 -9.2% $1,153 / Sq Ft
03/05/2025 03/05/25 Price Changed $4,295,000 -4.3% $1,270 / Sq Ft
02/13/2025 02/13/25 Price Changed $4,490,000 -10.1% $1,328 / Sq Ft
01/09/2025 01/09/25 For Sale $4,995,000 -- $1,477 / Sq Ft
Source: MIAMI REALTORS® MLS

Purchase History

We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.

Date Type Sale Price Title Company
Warranty Deed $4,750,000 None Listed On Document
Warranty Deed $3,465,000 None Listed On Document
Source: Public Records

Mortgage History

We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.

Date Status Loan Amount Loan Type
Open $3,325,000 New Conventional
Previous Owner $1,732,500 Balloon
Source: Public Records

Source: MIAMI REALTORS® MLS

MLS Number: A12033340

MIAMI REALTORS® MLS

APN: 24-5205-008-0180

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