• buy
  • rent
  • sell
  • agents
new developmentWORLD OF ELLIMAN
The latest in luxury property, lifestyle & culture, curated just for you.

company

  • about us
  • leadership
  • offices
  • press & news
  • elliman cares
  • join as an agent
  • careers
  • elliman global
  • investors

resources

  • WORLD OF ELLIMAN
  • elliman insider
  • magazines
  • market reports
  • research reports
  • Elliman Private Listings
  • Elliman Exclusives
  • Featured Cities
  • guides to buying & selling

brand portfolio

  • new development
  • commercial
  • relocation
  • sports & entertainment
  • farm & ranch
  • building broker specialists
  • title services
  • estate, trust & probate

  • California
  • Colorado
  • Connecticut
  • Florida
  • Massachusetts
  • Mid-Atlantic
  • Nevada
  • New Jersey
  • New York
  • New York City
  • Texas
  • Vermont
  • SITE MAP
  • TERMS
  • PRIVACY
  • COOKIE PREFERENCES
  • DO NOT SELL OR SHARE MY PERSONAL INFORMATION
  • NYS Housing Discrimination Disclosure Notice & Form
  • NYS Standard Operating Procedure
  • NYS Tenants' Rights to Reasonable Accommodations for persons with disabilities
  • California Consumer Privacy Act Notice
  • Texas Consumer Protection Notice
  • Texas Real Estate Commission Information About Brokerage Services
  • text of new york city human rights law
  • new york city commission on human rights
  • nyc source of income discrimination information
  • nyc source of income discrimination tenant faqs

THE SOURCE OF THE DISPLAYED DATA IS EITHER THE PROPERTY OWNER OR PUBLIC RECORD PROVIDED BY NON-GOVERNMENTAL THIRD PARTIES. IT IS BELIEVED TO BE RELIABLE BUT NOT GUARANTEED. FOR COLORADO VIEWERS, INFORMATION ABOUT NON-COMMERCIAL PROPERTIES IS PROVIDED EXCLUSIVELY FOR YOUR PERSONAL, NON-COMMERCIAL USE.

575 MADISON AVENUE, NEW YORK, NY 10022. 212.891.7000 © 2026 DOUGLAS ELLIMAN REAL ESTATE. EQUAL EMPLOYMENT OPPORTUNITY PROVIDER. ALL MATERIAL PRESENTED HEREIN IS INTENDED FOR INFORMATION PURPOSES ONLY. WHILE THIS INFORMATION IS BELIEVED TO BE CORRECT, IT IS REPRESENTED SUBJECT TO ERRORS, OMISSIONS, CHANGES, OR WITHDRAWAL WITHOUT NOTICE. ALL PROPERTY INFORMATION, INCLUDING, BUT NOT LIMITED TO SQUARE FOOTAGE, ROOM COUNT, NUMBER OF BEDROOMS, AND THE SCHOOL DISTRICT IN PROPERTY LISTINGS SHOULD BE VERIFIED BY YOUR OWN ATTORNEY, ARCHITECT, OR ZONING EXPERT. EQUAL HOUSING OPPORTUNITY.LISTING DATA REFRESHED ON JAN 20 2026 AT 12:25 AM.

DOUGLAS ELLIMAN IS A LICENSED REAL ESTATE BROKER IN CALIFORNIA WITH LICENSE # 01947727, COLORADO WITH LICENSE # EC100053892, CONNECTICUT WITH LICENSE # REB.0314827, THE DISTRICT OF COLUMBIA WITH LICENSE # REO40000160, FLORIDA WITH LICENSE # CQ1020232, MARYLAND WITH LICENSE # 645270, MASSACHUSETTS WITH LICENSE # 422764, NEVADA WITH LICENSE # 1454643, NEW JERSEY WITH LICENSE # 0572105, NEW YORK WITH LICENSE # 10991211812, TEXAS WITH LICENSE # 9008706, AND VIRGINIA WITH LICENSE # 0226035659.

SCAMMERS ARE IMPERSONATING REAL ESTATE AGENTS AND USING ACTIVE LISTINGS TO REQUEST FAKE DEPOSITS. SHOULD YOU HAVE A QUESTION ABOUT THE LEGITIMACY OF A DOUGLAS ELLIMAN AGENT OR LISTING, PLEASE CONTACT THE AGENT DIRECTLY VIA THE “AGENTS” LINK IN THE TOP MENU. DOUGLAS ELLIMAN WILL NEVER ASK FOR ANY PAYMENT TO RESERVE, HOLD, OR VIEW A PROPERTY. THESE CHARGES ARE PROHIBITED UNDER NEW YORK LAW. IF YOU RECEIVE A SUSPICIOUS REQUEST FOR MONEY, DO NOT SEND FUNDS. REPORT IT TO THE NYS DEPARTMENT OF STATE AND NOTIFY DOUGLAS ELLIMAN. YOU CAN READ THE NEW YORK STATE DEPARTMENT OF STATE'S CONSUMER ALERT HERE.

POWERED BY PURLIN.AI

631 N Mashta Dr

key biscayne, FL 33149

$23,500,000

  • 4 BR
    4 BA, 1 HALF BA
    APPROX. 2,255 SF

INTERESTED? LET'S CONNECT

BRING ALL OFFERS - Waterfront Dream Home in the Making!
Key Biscayne's Ultimate Boater's Paradise - Fully Renovated Luxury Residence Coming Soon
This 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 Out
This 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.

Details

2,255 Sq Ft

Single Family Home

$99,103 Annual Tax

Built in 1958

MLS/Listing ID R11060323

1 Stories

Amenities & Features

Pool - Inground

Heating - Electric

Patio

Pool - Equipment

Intercoastal View

Pool View

Intracoastal Access

No Fixed Bridges

Seawall

Parking - Attached Carport

Construction - Brick

Construction - Concrete

Outdoor Living Area

Covered

Community - Boat Facilities

Cooling - Central Air

Concrete

Unfurnished

Pets Allowed

FTL

estimate my mortgage

TOTAL MONTHLY COST

-

  • PRINCIPAL & INTEREST

    -

  • PROPERTY TAXES

    -

  • COMMON CHARGES

    -

HOME PRICE
DOWN PAYMENT
term
INTEREST

Interested in 631 N Mashta Dr?