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5 Beds
5 Baths
4,759 sqft

$5,990,000

501 Bay, Key Biscayne FL, 33149

Price per sqft$1,258.67
Built in1995
Property size4,759 sqft
Property typeResidential
Courtesy of Brigitte Nachtigall with One Sotheby's International Realty

Overview

Active

Listed Aug 24, 2026

Updated Sep 14

Prime location on one of Key Biscayne’s most exclusive residential streets, surrounded by some of the island’s most prestigious waterfront estates. An exceptional opportunity to own a substantial residence in the heart of Miami’s island paradise. Situated on a generous 10,000 SF lot, this light-filled home offers 4,759 SF of living space, five bedrooms, four full bathrooms and one half bathroom, providing wonderful space, privacy, and flexibility for today’s lifestyle. High ceilings and abundant natural light enhance the home’s generous proportions, while well-defined living, dining, and family areas create a comfortable and functional floor plan for both everyday living and entertaining. The interior spaces open to an expansive covered terrace, creating a natural connection to the outdoors and allowing for year-round enjoyment of South Florida living. Surrounded by lush, mature landscaping, the private backyard features a beautiful swimming pool and generous areas for outdoor dining,

$39,852/mo

Est. mortgage payment based on a $5,990,000 home price.

All estimates are provided by Luxury Presence for informational purposes only. Actual amounts may vary.

Additional information

MLS® ID
A12074814

Interior Features

Bedrooms
5
Bathrooms
5
Cooling
Yes
Heating
Yes
Basement
No

Exterior Features

Lot Size
0.23 Acres

Other Property Details

Taxes
$24,587
Tax Frequency
Annually
Garage
Yes
View
Yes
Pets Allowed
Yes
Pool
Yes
55+/Senior Community
Yes
MLS provider logo

Courtesy of One Sotheby's International Realty, Brigitte Nachtigall,
Listing Contact: 305-710-9664 

Based on information from Martin County REALTORS of the Treasure Coast, Inc. (RAMC) as of 9/14/2026. This information is for your personal, non-commercial use and may not be used for any purpose other than to identify prospective properties you may be interested in purchasing. Display of MLS data is usually deemed reliable but is NOT guaranteed accurate by the MLS. Buyers are responsible for verifying the accuracy of all information and should investigate the data themselves or retain appropriate professionals. Information from sources other than the Listing Agent may have been included in the MLS data. Unless otherwise specified in writing, Broker/Agent has not and will not verify any information obtained from other sources. The Broker/Agent providing the information contained herein may or may not have been the Listing and/or Selling Agent.

©2026 Martin County REALTORS of the Treasure Coast, Inc. All rights reserved.

Data last updated 1:19 PM UTC, 9/14/2026

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