Grand Bay Residences 303
Unit 303
1 / 15
Grand Bay Residences Unit 303 Sold
$3,500,000
445 Grand Bay Drive · Key Biscayne · Key Biscayne
Grand Bay Residences Unit 303 Sold
$3,500,000
445 Grand Bay Drive · Key Biscayne · Key Biscayne
MLS A11919625
Grand Bay Residences Unit 303, 445 Grand Bay Drive, Key Biscayne FL 33149, photo 1 of 15Grand Bay Residences Unit 303, 445 Grand Bay Drive, Key Biscayne FL 33149, photo 2 of 15Grand Bay Residences Unit 303, 445 Grand Bay Drive, Key Biscayne FL 33149, photo 3 of 15Grand Bay Residences Unit 303, 445 Grand Bay Drive, Key Biscayne FL 33149, photo 4 of 15Grand Bay Residences Unit 303, 445 Grand Bay Drive, Key Biscayne FL 33149, photo 5 of 15Grand Bay Residences Unit 303, 445 Grand Bay Drive, Key Biscayne FL 33149, photo 6 of 15Grand Bay Residences Unit 303, 445 Grand Bay Drive, Key Biscayne FL 33149, photo 7 of 15Grand Bay Residences Unit 303, 445 Grand Bay Drive, Key Biscayne FL 33149, photo 8 of 15Grand Bay Residences Unit 303, 445 Grand Bay Drive, Key Biscayne FL 33149, photo 9 of 15Grand Bay Residences Unit 303, 445 Grand Bay Drive, Key Biscayne FL 33149, photo 10 of 15Grand Bay Residences Unit 303, 445 Grand Bay Drive, Key Biscayne FL 33149, photo 11 of 15Grand Bay Residences Unit 303, 445 Grand Bay Drive, Key Biscayne FL 33149, photo 12 of 15Grand Bay Residences Unit 303, 445 Grand Bay Drive, Key Biscayne FL 33149, photo 13 of 15Grand Bay Residences Unit 303, 445 Grand Bay Drive, Key Biscayne FL 33149, photo 14 of 15Grand Bay Residences Unit 303, 445 Grand Bay Drive, Key Biscayne FL 33149, photo 15 of 15
$3,500,000Sold Price
$1,006Per SqFt
4/4½Beds/BathsBd/Ba
3,480SqFt · 323.3 m²
Grand Bay Residences · MLS A11919625 · 299 days on Zilbert · Listed Nov 25, 2025 · 445 Grand Bay Drive, Key Biscayne FL 33149

Property Details

Sold Price$3,500,000
Last Asking Price$3,850,000
Price per SqFt$1,006
Maintenance Fee$4,336 Monthly
Property Taxes$46,603 2025
Interior Space3,480 SqFt
Beds/Baths4/4½
Year Built1996
Closed Date2/6/2026
MLS #A11919625

Estimated Costs

An estimate of condo or HOA fees and property taxes

Monthly carry, before financing
$4,336maintenance · $4,336 per month
$3,884taxes · $46,603/yr ÷ 12
$8,220 / monthassociation + taxes, before mortgage and insurance

Fees and taxes based on MLS provided figures, and may not be accurate

From the listing

First time ever on the market, elegant, private and comfortable 4 beds, 4 baths unit in exclusive "The Grand Bay Residences", offering true coastal resort style living. Sophisticated and sought-after building located within a security gated community on the luxurious Ritz Carlton hotel grounds in the heart of the island paradise of Key Biscayne. Offering beach access/service, Ritz Carlton Tennis Club, Grand Bay Club, and 2 private pools with lovely outdoor gardens and scenic walking paths. Exceptional building with remodeled lobby, 24-hour concierge service, valet, a fitness center, conference/meeting room as well as being just steps away from shops and dining. Great floor plan, ample living dining areas, private elevator to foyer with double door entry, large bedrooms & plenty of closet space, three terraces, full size laundry room, 2 parking spaces + storage. World-class amenities and Key Biscayne lifestyle at its finest.

Listed by Emerald Real Estate Inc

Sales History for This Unit · Grand Bay Residences Unit 303

Sales history is unavailable for this property

What Other Units Have Been Selling For at Grand Bay Residences

0 other units sold in the last 12 months

Unit Sold Price % of Ask Beds/Baths SqFt $/SqFt Closed Date

For a full analysis of past sales in this development, contact Mark Zilbert.

Mark Zilbert
Mark Zilbert
Licensed Real Estate Broker · ONE Sotheby's International Realty · I track every sale at Grand Bay Residences. Ask me about this residence, the line, or the building.
+1 (786) 280-0201

Listed by Emerald Real Estate Inc. Mark Zilbert of ONE Sotheby's International Realty is a cooperating (transaction) broker and helps buyers find properties in Key Biscayne and throughout South Florida.

Location

Directions

The curated data and calculated data for this property and its surrounding condo units and homes is based solely on data we have extracted from the MLS. There may be unpublished, private, quit claim and other property offerings and transfers that do not appear here, which may affect how a buyer or seller perceives property values. Always conduct proper due diligence when considering buying or selling property.

More at Grand Bay Residences

100 units · 2 for sale · 2 sold in the last 12 months · building avg $969/SqFt sold