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669 S Mashta DriveKey Biscayne, FL 33149

For Sale

$5,799,000

Smart Buyer Rebate $57,990

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.

Listed by Maureen Jauregui

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License #0549977

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Coldwell Banker Realty

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3057983124

Listed by Emma L Jauregui

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License #3257300

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Coldwell Banker Realty

Last updated June 09, 2026

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Source: BeachesMLS #A12033340

Listing Facts

  • TypeSingle-family
  • NeighborhoodVillage of Key Biscayne
  • Bedrooms4
  • Bathrooms3.5
  • Days on Prevu57
  • Taxes$22,013/year
  • Size3,382 sqft
  • Price per sqft$1,715

Amenities

  • Dishwasher
  • Private Outdoor Space
  • Washer/Dryer
  • Pets Allowed
  • Air Conditioning
  • Parking
  • Swimming Pool

Location

Mortgage Calculator

Listing History

06/05/2026
Listed by Coldwell Banker Realty
$5,799,000

Property Details for 669 S Mashta Drive

Association

Amenities

  • Pets Allowed: Yes

Exterior

Construction

  • Roof: Tar/Gravel
  • Stories: 2
  • Stories Total: 2
  • Window Features: Blinds
  • Year Built: 1960
  • Construction Materials: Block
  • Exterior Features: Outdoor Shower

Features

  • Direction Faces: West
  • Patio And Porch Features: Patio
  • Pool Features: Above Ground, Private
  • Pool Private: Yes
  • View: Garden

Measurements

  • Building Area Total: 3,382
  • Lot Size Acres: 0.23
  • Lot Size Area: 10,000

Financial

Taxes

  • Parcel Number: 2452050080180
  • Tax Annual Amount: $22,013.00
  • Tax Year: 2025

Interior

Features

  • Appliances: Dryer, Dishwasher, Disposal, Gas Range, Oven, Refrigerator, Washer
  • Flooring: Vinyl
  • Interior Features: High Ceilings, Soaking Tub

Measurements

  • Living Area: 3,382

Rooms

  • Bathrooms Full: 3
  • Bathrooms Half: 1
  • Bathrooms Total Integer: 4
  • Bedrooms Total: 4
  • Rooms Total: 1

Other

Location

  • Subdivision Name: MASHTA ISLAND

Parking

Parking

  • Other Parking: Carport Spaces:0.00
  • Parking Features: Driveway

Schools

Elementary School

  • Elementary School: Key Biscayne K-8

High School

  • High School: Coral Gables

Middle or Junior School

  • Middle Or Junior School: Ponce De Leon

Utilities

Equipment

  • Cooling: Central Air
  • Has Cooling: Yes
  • Electric: Circuit Breakers
  • Has Heating: Yes
  • Sewer: Public Sewer
  • Water Source: Public

Frequently Asked Questions

How many bedrooms and bathrooms does this single-family home have?

There are 4 bedrooms and 3.5 bathrooms in this single-family home at 669 S Mashta Drive.

What schools are nearby to 669 S Mashta Drive?

Nearby schools include the Key Biscayne K-8 Elementary School, Ponce De Leon Middle School, and Coral Gables High School.

What are the annual taxes for 669 S Mashta Drive?

Annual taxes for this single-family home are estimated at $22,013.

How does 669 S Mashta Drive compare to other single-family homes in Village of Key Biscayne?

This single-family home is listed 37% above the average price for single-family homes in Village of Key Biscayne and has been on the market for 30 less days than the typical home in this area.

What is the square footage on this single-family home?

According to the MLS, this listing is 3,382 sqft.

669 S Mashta Drive is a 4-bedroom, 3.5-bath single-family home for sale in Key Biscayne FL 33149. On Prevu for 57 days at $5,799,000. This property features 3,382 square feet of living space, located in Village of Key Biscayne. The median listing price for single-family homes in this area is $2,287,500. Nearby schools include Key Biscayne K-8 Elementary School, Ponce De Leon Middle School, and Coral Gables High School. Property amenities include private outdoor space, dishwasher, pets allowed, air conditioning, parking, swimming pool, and washer/dryer. View other single-family home listings in Key Biscayne.

Based on information from Beaches MLS and/or other sources. All data, including all measurements and calculations of area, is obtained from various sources and has not been, and will not be, verified by Prevu or the MLS. Information is provided exclusively for consumer's personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumer may be interested in purchasing.

Full MLS Disclaimers

Rebate estimate is indicative only and based on listing price and estimated buyer's agent commission paid by owner, if applicable. Final rebates are subject to Terms of Use and may vary due to final negotiated transaction terms.