‹›2 of 3For Sale at Grand Bay ResidencesBack to list
Unit 104
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Grand Bay Residences Unit 104 For Sale

$3,950,000
445 Grand Bay Drive · Key Biscayne · Key Biscayne
Grand Bay Residences Unit 104 For Sale
$3,950,000
445 Grand Bay Drive · Key Biscayne · Key Biscayne
MLS A12091392
Grand Bay Residences Unit 104, 445 Grand Bay Drive, Key Biscayne FL 33149, photo 1 of 36Grand Bay Residences Unit 104, 445 Grand Bay Drive, Key Biscayne FL 33149, photo 2 of 36Grand Bay Residences Unit 104, 445 Grand Bay Drive, Key Biscayne FL 33149, photo 3 of 36Grand Bay Residences Unit 104, 445 Grand Bay Drive, Key Biscayne FL 33149, photo 4 of 36Grand Bay Residences Unit 104, 445 Grand Bay Drive, Key Biscayne FL 33149, photo 5 of 36Grand Bay Residences Unit 104, 445 Grand Bay Drive, Key Biscayne FL 33149, photo 6 of 36Grand Bay Residences Unit 104, 445 Grand Bay Drive, Key Biscayne FL 33149, photo 7 of 36Grand Bay Residences Unit 104, 445 Grand Bay Drive, Key Biscayne FL 33149, photo 8 of 36Grand Bay Residences Unit 104, 445 Grand Bay Drive, Key Biscayne FL 33149, photo 9 of 36Grand Bay Residences Unit 104, 445 Grand Bay Drive, Key Biscayne FL 33149, photo 10 of 36Grand Bay Residences Unit 104, 445 Grand Bay Drive, Key Biscayne FL 33149, photo 11 of 36Grand Bay Residences Unit 104, 445 Grand Bay Drive, Key Biscayne FL 33149, photo 12 of 36Grand Bay Residences Unit 104, 445 Grand Bay Drive, Key Biscayne FL 33149, photo 13 of 36Grand Bay Residences Unit 104, 445 Grand Bay Drive, Key Biscayne FL 33149, photo 14 of 36Grand Bay Residences Unit 104, 445 Grand Bay Drive, Key Biscayne FL 33149, photo 15 of 36Grand Bay Residences Unit 104, 445 Grand Bay Drive, Key Biscayne FL 33149, photo 16 of 36Grand Bay Residences Unit 104, 445 Grand Bay Drive, Key Biscayne FL 33149, photo 17 of 36Grand Bay Residences Unit 104, 445 Grand Bay Drive, Key Biscayne FL 33149, photo 18 of 36Grand Bay Residences Unit 104, 445 Grand Bay Drive, Key Biscayne FL 33149, photo 19 of 36Grand Bay Residences Unit 104, 445 Grand Bay Drive, Key Biscayne FL 33149, photo 20 of 36Grand Bay Residences Unit 104, 445 Grand Bay Drive, Key Biscayne FL 33149, photo 21 of 36Grand Bay Residences Unit 104, 445 Grand Bay Drive, Key Biscayne FL 33149, photo 22 of 36Grand Bay Residences Unit 104, 445 Grand Bay Drive, Key Biscayne FL 33149, photo 23 of 36Grand Bay Residences Unit 104, 445 Grand Bay Drive, Key Biscayne FL 33149, photo 24 of 36Grand Bay Residences Unit 104, 445 Grand Bay Drive, Key Biscayne FL 33149, photo 25 of 36Grand Bay Residences Unit 104, 445 Grand Bay Drive, Key Biscayne FL 33149, photo 26 of 36Grand Bay Residences Unit 104, 445 Grand Bay Drive, Key Biscayne FL 33149, photo 27 of 36Grand Bay Residences Unit 104, 445 Grand Bay Drive, Key Biscayne FL 33149, photo 28 of 36Grand Bay Residences Unit 104, 445 Grand Bay Drive, Key Biscayne FL 33149, photo 29 of 36Grand Bay Residences Unit 104, 445 Grand Bay Drive, Key Biscayne FL 33149, photo 30 of 36Grand Bay Residences Unit 104, 445 Grand Bay Drive, Key Biscayne FL 33149, photo 31 of 36Grand Bay Residences Unit 104, 445 Grand Bay Drive, Key Biscayne FL 33149, photo 32 of 36Grand Bay Residences Unit 104, 445 Grand Bay Drive, Key Biscayne FL 33149, photo 33 of 36Grand Bay Residences Unit 104, 445 Grand Bay Drive, Key Biscayne FL 33149, photo 34 of 36Grand Bay Residences Unit 104, 445 Grand Bay Drive, Key Biscayne FL 33149, photo 35 of 36Grand Bay Residences Unit 104, 445 Grand Bay Drive, Key Biscayne FL 33149, photo 36 of 36
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2 of 3 For Sale at Grand Bay Residences · back to list
$3,950,000Asking Price
$1,215Per SqFt
4/4½Beds/BathsBd/Ba
3,250SqFt · 301.9 m²
Grand Bay Residences · MLS A12091392 · 12 days on Zilbert · Listed Sep 21, 2026 · 445 Grand Bay Drive, Key Biscayne FL 33149

Property Details

Asking Price$3,950,000
Price per SqFt$1,215
Maintenance Fee$3,888 Monthly
Property Taxes$38,282 2025
Interior Space3,250 SqFt
Beds/Baths4/4½
Year Built1996
MLS #A12091392

Estimated Costs

An estimate of condo or HOA fees and property taxes

Monthly carry, before financing
$3,888maintenance · $3,888 per month
$3,190taxes · $38,282/yr ÷ 12
$7,078 / monthassociation + taxes, before mortgage and insurance

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

From the listing

An exceptional corner lanai at Grand Bay Residences, offering the space and privacy of a single-family home with the ease of full-service oceanfront living. This beautifully renovated 4-bedroom, 4.5-bath residence spans 3,250 SF with bright, open interiors, expansive windows overlooking lush tropical greenery, and three generous private terraces. One terrace sits just steps from the pool and beach, creating a seamless setting for outdoor dining and entertaining. The state-of-the-art kitchen features Sub-Zero and Wolf appliances, an oversized eat-in island, a breakfast area, and a versatile dining/family room. All four bedrooms are en suite, complemented by modern baths, abundant closet space, and elegant plantation shutters throughout. Enjoy tennis, pool, fitness facilities, attentive service, and 24-hour security within this gated Key Biscayne community on the newly renovated Ritz-Carlton grounds. A distinctive residence combining house-like proportions and privacy with the conveniences of luxury oceanfront living.

Listed by Compass Florida, LLC.

Sales History for This Unit · Grand Bay Residences Unit 104

Sale ⇅Sold Price ⇅Asking Price ⇅Beds/Baths ⇅SqFt ⇅Closed Date ⇅

What Other Units Have Been Selling For at Grand Bay Residences

1 other unit sold in the last 12 months at an average of $1,006/SqFt · This unit (104) is asking $1,215/SqFt

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, Global Real Estate Advisor
Mark Zilbert
Global Real Estate Advisor · 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 Compass Florida, LLC.. 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

At Grand Bay Residences, 3 of 100 units are for sale and 2 sold in the last 12 months at an average of $969 per SqFt. Unit 104 asks $1,215 per SqFt, above the building's recent sold average. Figures compiled by Mark Zilbert, a Key Biscayne real estate agent with ONE Sotheby's International Realty, from MLS records.

Ask Mark
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