669 S Mashta Dr, Key Biscayne, Florida 33149
669 S Mashta Dr, Key Biscayne, Florida 33149
669 S Mashta Dr, Key Biscayne, Florida 33149
669 S Mashta Dr, Key Biscayne, Florida 33149
669 S Mashta Dr, Key Biscayne, Florida 33149

$4,950,000 USD

Single Family Home for Sale, 669 S Mashta Dr, Key Biscayne, Florida 33149

  • MLS#A11922444
  • 3
  • 4
  • 314 m² (3,382 ft²)

Listed By One Sotheby's International Realty

The Single Family Home for Sale located at 669 S Mashta Dr, Key Biscayne, Florida 33149 is currently for sale. 669 S Mashta Dr, Key Biscayne, Florida 33149 is listed for $4,950,000. This property has 3 bedrooms, 4 bathrooms.

Date Updated : Nov 30, 2025

Property features

Property

  • Property size: 314 m² (3,382 ft²)
  • Type: Unfurnished
  • Features: Patio
  • Location: Subdivision

Lot/Land

  • Land/Lot size: 929 m² (10,000 ft²)

Construction

  • Year built: 1960
  • Construction: Detached

Bedrooms

  • Bedrooms: 3

Bathrooms

  • Total bathrooms: 4
  • Full bathrooms: 3
  • ½ bathrooms: 1

Exterior Features

  • Outdoor spaces: Patio
  • Carport spaces:

Pool and Spa

  • Pool: Inground

Recreational

  • Recreational: Swimming Pool

View

  • Features: Garden

Heating and Cooling

  • Heating system: Central
  • Cooling system: ElectricCentral AC

Utilities

  • Other utilities: Bottled GasPublic Sewer

Community

  • Features: Pets Allowed

Description

A beautifully reimagined home on one of Key Biscayne’s most desirable streets, South Mashta Drive. With its bold charcoal façade and distinctive presence, this residence stands out immediately while maintaining a warm island charm that makes it feel welcoming from the moment you arrive. Surrounded by mature trees and lush greenery, the setting offers both atmosphere and privacy.

Inside, vaulted ceilings and expansive windows fill the space with natural light, creating a soft and inviting ambiance. The great room features a stone fireplace, wide-plank wood floors, and a natural flow to the terrace and pool, bringing effortless connection between indoor comfort and outdoor enjoyment. Every space reflects a carefully curated, cozy feel that enhances the character of the home.

The renovated master bathroom offers calming finishes and a serene atmosphere. A private suite provides the perfect accommodation for guests or extended family. Set on a generous 10,000 sq ft lot and enhanced with impact windows, updated lighting, a newer roof, and thoughtful design details, this residence blends timeless appeal, warmth, and the unique island charm that defines Key Biscayne living.

A rare opportunity to own a home that feels both distinctive and deeply inviting, in one of the most coveted locations on the island.

Location

669 S Mashta Dr, Key Biscayne, Florida 33149

669 S Mashta Dr, Key Biscayne, Florida 33149