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481 S Mashta Drive, Key Biscayne, Florida 33149

Active For Sale
$19,900,000
  • Beds 5
  • Baths 7
  • Sq Ft 5,940 Sqft
  • Visits: 41 in 313 days

Description

Offering approximately 8,500 square feet of construction, this spectacular waterfront estate on coveted Mashta Island is a rare expression of space, privacy, and coastal elegance. Fully remodeled and designed for effortless indoor-outdoor living, this three-level contemporary residence enjoys direct ocean access, panoramic views of Smugglers Cove and Biscayne Bay, and constant ocean breezes that create a true sense of serenity.rnSet on a 17,012-square-foot lot in one of Key Biscayne’s most exclusive and tranquil enclaves, the property is surrounded by water, light, and lush tropical landscaping, offering remarkable privacy and a peaceful island atmosphere. The residence features 8,544 square feet of total area, including garage and terraces, with expansive open living spaces, refined finishes, abundant natural light, and impeccable craftsmanship throughout. The flexible floor plan allows for effortless reconfiguration to accommodate additional rooms and customized living areas. World-class amenities include a private dock for boating enthusiasts, resort-style pool, summer kitchen, spectacular covered entertainment level, elevator, gym, garage, and extra parking, creating an exceptional setting for both grand entertaining and everyday enjoyment. This is more than a home…it is a private waterfront sanctuary, offering the rare opportunity to experience the very best of island living in one of Key Biscayne’s most prestigious locations.

Features

  • Swimming Pool: Pool, In Ground
  • Heating System: Electric
  • Cooling System: Electric
  • Pet Policy: Yes, No Pet Restrictions
  • Patio: Balcony, Open, Patio, Porch
  • Parking: Driveway, Garage, Garage Door Opener, Attached, Covered, Paver Block
  • Furnished: Unfurnished

Appliances

  • Appliances: Dryer, Dishwasher, Electric Range, Microwave, Refrigerator, Washer, Electric Water Heater, Disposal, Built-In Oven, Ice Maker

Address Map

  • Country: US
  • State: FL
  • County: Miami-Dade
  • City: Key Biscayne
  • Subdivision: SMUGGLERS COVE
  • Zipcode: 33149
  • Street: Mashta Drive
  • Street Number: 481
  • Floor Number: 0
  • Longitude: W81° 49' 43''
  • Latitude: N25° 40' 58.1''
  • Street Dir Prefix: S
  • MLS Area: 52

MLS Addon

  • Association Fee: $0
  • Close Price: $0
  • Community Features: Home Owners Association
  • Elementary School: Keybiscayne
  • Exterior Features: Balcony, Patio, Porch, Outdoor Grill
  • Flooring: Ceramic Tile, Wood, Hardwood
  • Garage Spaces: 2
  • High School: Mast Academy
  • Insurance Expense: $0
  • Interior Features: Breakfast Area, Dual Sinks, First Floor Entry, Sitting Area in Primary, Upper Level Primary, Closet Cabinetry, Entrance Foyer, Elevator, Walk-In Closet(s), Built-in Features, Bidet, Pantry, Separate Shower, Dining Area, Separate/Formal Dining Room
  • Laundry Features: In Garage
  • Levels: Three Or More
  • Listing Terms: Cash, Conventional
  • Lot Features: 1/4 to 1/2 Acre Lot, Sprinklers Automatic
  • New Taxes Expense: $0
  • Road Frontage Type: City Street
  • Tax Annual Amount: $84,924
  • Tax Year: 2024
  • Utilities: Cable Available
  • Water Front Features: Canal Front, Ocean Access, Canal Access
  • Window Features: Blinds

Location

Listing Updated: 2026-02-11 17:15:21

  • Property Type : Single Family
  • Property Sub Type : Single Family Residence
  • Listing Type : For Sale
  • Listing ID : A11779615
  • Price : $19,900,000
  • View : Canal, Water
  • Bedrooms : 5
  • Bathrooms : 7
  • Full Bathrooms : 6
  • Half Bathrooms : 1
  • Square Footage : 5,940 Sqft
  • Year Built : 2017
  • Lot Area : 0 Acre
  • Listing Status : Active
  • Days On Market : 312
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