2 of 4For Sale at Grand Bay TowerBack to list
Unit 1103
1 / 37
Grand Bay Tower Unit 1103 Pending
$6,850,000
430 Grand Bay Drive · Key Biscayne · Key Biscayne
Grand Bay Tower Unit 1103, 430 Grand Bay Drive, Key Biscayne FL 33149, photo 1 of 37Grand Bay Tower Unit 1103, 430 Grand Bay Drive, Key Biscayne FL 33149, photo 2 of 37Grand Bay Tower Unit 1103, 430 Grand Bay Drive, Key Biscayne FL 33149, photo 3 of 37Grand Bay Tower Unit 1103, 430 Grand Bay Drive, Key Biscayne FL 33149, photo 4 of 37Grand Bay Tower Unit 1103, 430 Grand Bay Drive, Key Biscayne FL 33149, photo 5 of 37Grand Bay Tower Unit 1103, 430 Grand Bay Drive, Key Biscayne FL 33149, photo 6 of 37Grand Bay Tower Unit 1103, 430 Grand Bay Drive, Key Biscayne FL 33149, photo 7 of 37Grand Bay Tower Unit 1103, 430 Grand Bay Drive, Key Biscayne FL 33149, photo 8 of 37Grand Bay Tower Unit 1103, 430 Grand Bay Drive, Key Biscayne FL 33149, photo 9 of 37Grand Bay Tower Unit 1103, 430 Grand Bay Drive, Key Biscayne FL 33149, photo 10 of 37Grand Bay Tower Unit 1103, 430 Grand Bay Drive, Key Biscayne FL 33149, photo 11 of 37Grand Bay Tower Unit 1103, 430 Grand Bay Drive, Key Biscayne FL 33149, photo 12 of 37Grand Bay Tower Unit 1103, 430 Grand Bay Drive, Key Biscayne FL 33149, photo 13 of 37Grand Bay Tower Unit 1103, 430 Grand Bay Drive, Key Biscayne FL 33149, photo 14 of 37Grand Bay Tower Unit 1103, 430 Grand Bay Drive, Key Biscayne FL 33149, photo 15 of 37Grand Bay Tower Unit 1103, 430 Grand Bay Drive, Key Biscayne FL 33149, photo 16 of 37Grand Bay Tower Unit 1103, 430 Grand Bay Drive, Key Biscayne FL 33149, photo 17 of 37Grand Bay Tower Unit 1103, 430 Grand Bay Drive, Key Biscayne FL 33149, photo 18 of 37Grand Bay Tower Unit 1103, 430 Grand Bay Drive, Key Biscayne FL 33149, photo 19 of 37Grand Bay Tower Unit 1103, 430 Grand Bay Drive, Key Biscayne FL 33149, photo 20 of 37Grand Bay Tower Unit 1103, 430 Grand Bay Drive, Key Biscayne FL 33149, photo 21 of 37Grand Bay Tower Unit 1103, 430 Grand Bay Drive, Key Biscayne FL 33149, photo 22 of 37Grand Bay Tower Unit 1103, 430 Grand Bay Drive, Key Biscayne FL 33149, photo 23 of 37Grand Bay Tower Unit 1103, 430 Grand Bay Drive, Key Biscayne FL 33149, photo 24 of 37Grand Bay Tower Unit 1103, 430 Grand Bay Drive, Key Biscayne FL 33149, photo 25 of 37Grand Bay Tower Unit 1103, 430 Grand Bay Drive, Key Biscayne FL 33149, photo 26 of 37Grand Bay Tower Unit 1103, 430 Grand Bay Drive, Key Biscayne FL 33149, photo 27 of 37Grand Bay Tower Unit 1103, 430 Grand Bay Drive, Key Biscayne FL 33149, photo 28 of 37Grand Bay Tower Unit 1103, 430 Grand Bay Drive, Key Biscayne FL 33149, photo 29 of 37Grand Bay Tower Unit 1103, 430 Grand Bay Drive, Key Biscayne FL 33149, photo 30 of 37Grand Bay Tower Unit 1103, 430 Grand Bay Drive, Key Biscayne FL 33149, photo 31 of 37Grand Bay Tower Unit 1103, 430 Grand Bay Drive, Key Biscayne FL 33149, photo 32 of 37Grand Bay Tower Unit 1103, 430 Grand Bay Drive, Key Biscayne FL 33149, photo 33 of 37Grand Bay Tower Unit 1103, 430 Grand Bay Drive, Key Biscayne FL 33149, photo 34 of 37Grand Bay Tower Unit 1103, 430 Grand Bay Drive, Key Biscayne FL 33149, photo 35 of 37Grand Bay Tower Unit 1103, 430 Grand Bay Drive, Key Biscayne FL 33149, photo 36 of 37Grand Bay Tower Unit 1103, 430 Grand Bay Drive, Key Biscayne FL 33149, photo 37 of 37
2 of 4 For Sale at Grand Bay Tower · back to list
$6,850,000Asking Price
$1,887Per SqFt
3/3½Beds/BathsBd/Ba
3,630SqFt · 337.2 m²
Grand Bay Tower · MLS A12034186 · 97 days on Zilbert · Listed Jun 12, 2026 · 430 Grand Bay Drive, Key Biscayne FL 33149Current layoutPhotos first

Property Details

Asking Price$6,850,000
Price per SqFt$1,887
Maintenance fee$4,084 Monthly
Property Taxes$58,450 2026
Interior Space3,630 SqFt
Beds/Baths3/3½
Year Built1999
MLS #A12034186

Estimated Costs

An estimate of condo or HOA fees and property taxes

Monthly carry, before financing
$4,084maintenance · $4,084 per month
$4,871taxes · $58,450/yr ÷ 12
$8,955 / monthassociation + taxes, before mortgage and insurance

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

From the listing

A truly exceptional opportunity at Grand Bay Tower. This extraordinary residence showcases one of the building’s most unique and highly sought-after floor plans (03 line), a rare offering that combines elegance, comfort, and breathtaking views in perfect harmony. Perched on the 11th floor, the residence enjoys spectacular panoramic vistas of the Atlantic Ocean, Biscayne Bay, and the Miami skyline. Two expansive terraces invite you to experience both sunrise and sunset, while enjoying refreshing ocean breezes and seamless indoor-outdoor living. Impeccably maintained and flooded with natural light, this sophisticated home offers 3 spacious en-suite bedrooms, a powder room, and a spectacular den that serves as a private retreat and truly elevates the living experience. Thoughtfully designed throughout, the residence exudes warmth, character, and a sense of comfort rarely found in condominium living.Located just steps from the beach and within walking distance of restaurants, cafés, and shops, this exceptional residence offers the perfect blend of luxury, sophistication, and convenience. More than just an apartment, it is a place with soul…a true home in one of Key Biscayne’s most desirable addresses.

Listed by One Sotheby's International Realty

Sales History for This Unit · Grand Bay Tower Unit 1103

Sales history is unavailable for this property

What Other Units Have Been Selling For at Grand Bay Tower

1 other unit sold in the last 12 months at an average of $1,327/SqFt · This unit (1103) is asking $1,887/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
Mark Zilbert
Licensed Real Estate Broker · 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

100 units · 4 for sale · 1 sold in the last 12 months · building avg $1,327/SqFt sold, against this unit's $1,887 ask