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Unit 606
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Grand Bay Tower Unit 606 For Sale

$3,900,000
430 Grand Bay Drive · Key Biscayne · Key Biscayne
Grand Bay Tower Unit 606 For Sale
$3,900,000
430 Grand Bay Drive · Key Biscayne · Key Biscayne
MLS A12091792
Grand Bay Tower Unit 606, 430 Grand Bay Drive, Key Biscayne FL 33149, photo 1 of 35Grand Bay Tower Unit 606, 430 Grand Bay Drive, Key Biscayne FL 33149, photo 2 of 35Grand Bay Tower Unit 606, 430 Grand Bay Drive, Key Biscayne FL 33149, photo 3 of 35Grand Bay Tower Unit 606, 430 Grand Bay Drive, Key Biscayne FL 33149, photo 4 of 35Grand Bay Tower Unit 606, 430 Grand Bay Drive, Key Biscayne FL 33149, photo 5 of 35Grand Bay Tower Unit 606, 430 Grand Bay Drive, Key Biscayne FL 33149, photo 6 of 35Grand Bay Tower Unit 606, 430 Grand Bay Drive, Key Biscayne FL 33149, photo 7 of 35Grand Bay Tower Unit 606, 430 Grand Bay Drive, Key Biscayne FL 33149, photo 8 of 35Grand Bay Tower Unit 606, 430 Grand Bay Drive, Key Biscayne FL 33149, photo 9 of 35Grand Bay Tower Unit 606, 430 Grand Bay Drive, Key Biscayne FL 33149, photo 10 of 35Grand Bay Tower Unit 606, 430 Grand Bay Drive, Key Biscayne FL 33149, photo 11 of 35Grand Bay Tower Unit 606, 430 Grand Bay Drive, Key Biscayne FL 33149, photo 12 of 35Grand Bay Tower Unit 606, 430 Grand Bay Drive, Key Biscayne FL 33149, photo 13 of 35Grand Bay Tower Unit 606, 430 Grand Bay Drive, Key Biscayne FL 33149, photo 14 of 35Grand Bay Tower Unit 606, 430 Grand Bay Drive, Key Biscayne FL 33149, photo 15 of 35Grand Bay Tower Unit 606, 430 Grand Bay Drive, Key Biscayne FL 33149, photo 16 of 35Grand Bay Tower Unit 606, 430 Grand Bay Drive, Key Biscayne FL 33149, photo 17 of 35Grand Bay Tower Unit 606, 430 Grand Bay Drive, Key Biscayne FL 33149, photo 18 of 35Grand Bay Tower Unit 606, 430 Grand Bay Drive, Key Biscayne FL 33149, photo 19 of 35Grand Bay Tower Unit 606, 430 Grand Bay Drive, Key Biscayne FL 33149, photo 20 of 35Grand Bay Tower Unit 606, 430 Grand Bay Drive, Key Biscayne FL 33149, photo 21 of 35Grand Bay Tower Unit 606, 430 Grand Bay Drive, Key Biscayne FL 33149, photo 22 of 35Grand Bay Tower Unit 606, 430 Grand Bay Drive, Key Biscayne FL 33149, photo 23 of 35Grand Bay Tower Unit 606, 430 Grand Bay Drive, Key Biscayne FL 33149, photo 24 of 35Grand Bay Tower Unit 606, 430 Grand Bay Drive, Key Biscayne FL 33149, photo 25 of 35Grand Bay Tower Unit 606, 430 Grand Bay Drive, Key Biscayne FL 33149, photo 26 of 35Grand Bay Tower Unit 606, 430 Grand Bay Drive, Key Biscayne FL 33149, photo 27 of 35Grand Bay Tower Unit 606, 430 Grand Bay Drive, Key Biscayne FL 33149, photo 28 of 35Grand Bay Tower Unit 606, 430 Grand Bay Drive, Key Biscayne FL 33149, photo 29 of 35Grand Bay Tower Unit 606, 430 Grand Bay Drive, Key Biscayne FL 33149, photo 30 of 35Grand Bay Tower Unit 606, 430 Grand Bay Drive, Key Biscayne FL 33149, photo 31 of 35Grand Bay Tower Unit 606, 430 Grand Bay Drive, Key Biscayne FL 33149, photo 32 of 35Grand Bay Tower Unit 606, 430 Grand Bay Drive, Key Biscayne FL 33149, photo 33 of 35Grand Bay Tower Unit 606, 430 Grand Bay Drive, Key Biscayne FL 33149, photo 34 of 35Grand Bay Tower Unit 606, 430 Grand Bay Drive, Key Biscayne FL 33149, photo 35 of 35
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3 of 5 For Sale at Grand Bay Tower · back to list
$3,900,000Asking Price
$1,331Per SqFt
4/4Beds/BathsBd/Ba
2,930SqFt · 272.2 m²
Grand Bay Tower · MLS A12091792 · 12 days on Zilbert · Listed Sep 21, 2026 · 430 Grand Bay Drive, Key Biscayne FL 33149

Property Details

Asking Price$3,900,000
Price per SqFt$1,331
Maintenance Fee$3,370 Monthly
Property Taxes$33,178 2025
Interior Space2,930 SqFt
Beds/Baths4/4
Year Built1999
MLS #A12091792

Estimated Costs

An estimate of condo or HOA fees and property taxes

Monthly carry, before financing
$3,370maintenance · $3,370 per month
$2,765taxes · $33,178/yr ÷ 12
$6,135 / monthassociation + taxes, before mortgage and insurance

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

From the listing

The generously sized 4/4 unit, measuring an impressive 2,930 sf, WITH OCEAN VIEWS, presents a grand living area with formal dining, an oversized master suite with his and her closets, private balconies, a large laundry room with service (elevator) entry, and expansive windows throughout that provide a picturesque view of the Miami Downtown skyline and the beach. Each of the 4 bedrooms come with its own en-suite bathroom, ensuring utmost convenience and privacy for all. Sharing a beautifully curated gated community with The Ritz Carlton, Grand Bay Residences offers pristine pools, a tennis club, paddle courts, first class gym, spa, gardens and top chef restaurants. The building also offers concierge, and beach service, valet parking and more.

Listed by One Sotheby's International Realty

Sales History for This Unit · Grand Bay Tower Unit 606

Sales history is unavailable for this property

What Other Units Have Been Selling For at Grand Bay Tower

0 other units sold in the last 12 months · This unit (606) is asking $1,331/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 Tower. Ask me about this residence, the line, or the building.
+1 (786) 280-0201

Listed by One Sotheby's International Realty. 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 Tower

At Grand Bay Tower, 5 of 100 units are for sale and 1 sold in the last 12 months at an average of $1,327 per SqFt. Unit 606 asks $1,331 per SqFt, in line with 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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