BRING ALL OFFERS - Waterfront Dream Home in the Making!Key Biscayne's Ultimate Boater's Paradise - Fully Renovated Luxury Residence Coming SoonThis is a rare and exceptional opportunity to own a like-new, fully renovated luxury home in one of Key Biscayne's most exclusive waterfront enclaves. Currently under an extensive renovation with expected completion in approximately 5 months, this residence is being reimagined with the highest standards of modern design, comfort, and functionality.A Complete Transformation - Inside and OutThis is not just a cosmetic update -- this is a down-to-the-studs, full-scale renovation that will result in a completely refreshed and reimagined home. Upon completion, this property will boast: "All-new flooring throughout with elegant, high-end finishes
"Smooth new ceilings with upgraded lighting and architectural detailing
"Completely new electrical and plumbing systems, built to current codes and standards
"A redesigned layout to enhance flow, functionality, and natural light
"Spacious bedrooms and luxurious bathrooms, featuring premium fixtures, modern vanities, custom tile work, and spa-like finishes
"A chef's dream kitchen with custom cabinetry, oversized island, quartz countertops, and top-of-the-line appliances from leading brands
"Brand-new air conditioning system for efficient, zoned climate control
"Impact-resistant windows and doors .
"Thoughtfully designed interior and exterior spaces, perfect for both relaxed family living and stylish entertaining.
Waterfront Living at Its Finest
Set on a 15,000 sq. ft. lot, this home offers spectacular water views and seamless access to Biscayne Bay. Boating enthusiasts will appreciate:
"A private dock with deep water access, ideal for accommodating a large boat or yacht
"No bridges to the ocean, allowing for effortless navigation to open waters
"Direct bay access, just minutes from the Atlantic
"An expansive backyard with space for outdoor dining, lounging, with pool
"Unforgettable sunsets over the bay, right from your own backyard oasis.
Prime Key Biscayne Location
Located in a prestigious and tranquil section of Key Biscayne, this home offers both privacy and convenience. Enjoy world-class beaches, top-rated schools, parks, tennis clubs, fine dining, and more all just moments away from the heart of Miami.
Whether you're searching for a personal waterfront sanctuary or a savvy long-term investment, this remarkable property delivers the best of luxury, lifestyle, and location with the added bonus of a brand-new renovation built for modern living.
Now is the time to secure this extraordinary property before completion. Bring all offers - this one won't last.
For sale
$23,500,000
631 N Mashta Drive, Key Biscayne, FL 33149
4beds
2,255sqft
Est.:
Single Family Residence
Built in 1958
-- sqft lot
$-- Zestimate®
$10,421/sqft
$-- HOA
What's special
Private dockOversized islandSpacious bedroomsQuartz countertopsDirect bay accessExpansive backyardCustom cabinetry
- 181 days
- on Zillow |
- 742 |
- 5 |
Zillow last checked: 7 hours ago
Listing updated: April 17, 2025 at 05:53am
Listed by:
Javier Gustavo Quiroz 305-909-5940,
Coldwell Banker
Source: BeachesMLS,MLS#: RX-11060323
Originating MLS: Beaches MLS

Travel times
Tour with a buyer's agent
Tour with a buyer's agent
Facts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 4
- Bathrooms: 5
- Full bathrooms: 4
- 1/2 bathrooms: 1
Rooms
- Room types: None
Primary bedroom
- Level: M
- Area: 500
- Dimensions: 25 x 20
Dining room
- Level: M
- Area: 168
- Dimensions: 12 x 14
Kitchen
- Level: M
- Area: 132
- Dimensions: 12 x 11
Living room
- Level: M
- Area: 352
- Dimensions: 16 x 22
Heating
- Central, Electric
Cooling
- Central Air
Appliances
- Included: None
Features
- None
- Flooring: Concrete
Interior area
- Total structure area: 3,720
- Total interior livable area: 2,255 sqft
Video & virtual tour
Property
Parking
- Total spaces: 7
- Parking features: Attached Carport, Driveway
- Carport spaces: 2
- Uncovered spaces: 5
Features
- Stories: 1
- Patio & porch: Covered Patio, Open Patio
- Exterior features: Dock
- Has private pool: Yes
- Pool features: Equipment Included, In Ground
- Has view: Yes
- View description: Intracoastal, Pool
- Has water view: Yes
- Water view: Intracoastal
- Waterfront features: Intracoastal, No Fixed Bridges, Seawall
- Frontage length: 100
Details
- Parcel number: 2452050080070
- Zoning: 0101
Construction
Type & style
- Home type: SingleFamily
- Property subtype: Single Family Residence
Materials
- Brick, Concrete
Condition
- Resale
- New construction: No
- Year built: 1958
Utilities & green energy
- Utilities for property: None
Community & HOA
Community
- Features: Boating
- Subdivision: Mashta Island
Location
- Region: Key Biscayne
Financial & listing details
- Price per square foot: $10,421/sqft
- Tax assessed value: $6,916,728
- Annual tax amount: $99,103
- Date on market: 2/7/2025
- Listing terms: Cash,Conventional
- Loading
- Loading