631 N Mashta Drive Key Biscayne, FL $ 23,500,000
631 N Mashta Drive
$ 23,500,000
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631 N Mashta Drive

Key Biscayne, FL, 33149
$ 23,500,000
Bedrooms4 Baths4.1 Sq 2,255

Monthly Estimate*

$ 144,694

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Single Family Home for sale in Key Biscayne, FL

for $23,500,000 with 4 bedrooms and 4 full baths, 1 half bath. This 2,255 square foot home was built in 1958.

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.

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Single Family Active

Price

$ 23,500,000

Bedrooms

4

Full Bath

4

Half Bath

1

Property Type

Single Family

Taxes

$ 99,103

Style

Year Built

1958

Town/City

Key Biscayne

County/Region

Miami-Dade

MLS | Web ID

RX11060323

Features
Interior
Interior Amenities None
Flooring Concrete
Furnished Y/N Unfurnished
Total Bedrooms 4
Master Bedroom/Bath None
Total Bathrooms 4.10
SqFt - Living 2255.00
Total Floors/Stories 1.00
Equip/Appl Included None
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General
Construction Brick Concrete
Heating Central Electric
Cooling Central
Utilities None
Possession At Closing Funding
Parking Carport - Attached Driveway
Pets Allowed Yes
Zoning 0101
HOA None
Number of Garage Spaces 0.00
Status Active
Full Baths 4
Half Baths 1
Year Built 1958
REO No
Subdivision MASHTA ISLAND
View Intracoastal Pool
Type Single Family Detached
Rooms None
Property Type A
Area 2290
Auction No
Tax Year 2024
Terms Considered Cash Conventional
Gated Community No
Short Sale No
Restrict None
Water Frontage 100
Taxes 99103.00
Adult 55+ No Hopa
Governing Bodies None
Membership Fee Required No
Virtual Tour https://www.propertypanorama.com/631-N-Mashta-Drive-Key-Biscayne-FL-33149/unbranded
Geo Area DADE
Legal Description MASHTA ISLAND PB 60-93 LOT 7 BLK 1 LOT SIZE 100.000 X 150 OR 17980-3315 0198 4
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Exterior
Exterior Amenities Covered Patio Open Patio
Waterfront Yes Intracoastal No Fixed Bridges Seawall
Private Pool Y/N Yes
Boat Services Private Dock
Subdiv. Amenities Boating
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Internal Only
OriginalMLSID RX-11060323
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* Excluded Features
List By
Javier Gustavo Quiroz

Listing Agent

Coldwell Banker

Broker

javier.quiroz@cbrealty.com

Email

Affordability Calculator

$152,952
Per Month
95%
5%
0%
Monthly Principal & Interest
$144,694
Monthly Property Taxes
$8,259
Monthly Home Insurance
--
Default based on a 30-year fixed rate of 6.25% with 20% down. The estimated payment is offered for convenience and is not an offer of credit. Due to market fluctuations, interest rates are subject to change at any time and without notice. Your individual rate may vary. Rates may differ for FHA, VA or jumbo loans.
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Nearby
368239 Elementary School
368240 Middle School
Unknown High School High School
Pricing History
DatePricePrice ChangeDescription
2/7/2025$23,500,000 Listed Price

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631 N Mashta Drive, Key Biscayne, FL, 33149 is a Single Family Home for sale at $23,500,000 with 2,255 sqft. 631 N Mashta Drive has 4 bedrooms, 4.1 baths, and was built in 1958. The property's zip code is 33149 which is in Key Biscayne, FL