This condo was listed in November 2025 and is no longer on the market. It did not close through the MLS. See what is for sale at Grand Bay Tower now.
Property Details
| Asking Price | Not Available |
|---|---|
| Price per SqFt | — |
| Maintenance Fee | $0 Monthly |
| Property Taxes | $153,827 2024 |
| Interior Space | 9,600 SqFt |
| Beds/Baths | 4/4½ |
| Year Built | 1999 |
| MLS # | A11915787 |
Location
From the listing
Dominating the Key Biscayne skyline, this Geoffrey Bradfield–designed penthouse is a rare display of power, prestige, and absolute luxury. Encompassing 13,630 sq. ft. with 10,421 sq. ft. under air and 3,000+ sq. ft. of oceanfront terraces, it commands 100 feet of unobstructed beachfront with sweeping sunrise and sunset views. Directly adjacent, the $100M+ newly reimagined Ritz-Carlton and its brand-new Beach Club sit at your footsteps, elevating exclusivity to a world-class level. Inside, soaring ceilings showcase a showpiece chef’s kitchen, grand dining, four-private en-suites, a refined executive office, staff quarters, and couture-caliber closets. Includes five premium parking spaces and five oversized private storage cages. A true trophy residence at the apex of coastal luxury.
Listed by The Corcoran Group
What It Costs to Own
Monthly, before a mortgage and insurance
Taxes $153,827 for 2024. MLS figures, which may not be accurate.
Sales History for This Unit · Grand Bay Tower PH 1AN
Sales history is unavailable for this property
What Other Units Have Been Selling For at Grand Bay Tower
2 units sold at Grand Bay Tower in the last 12 months at an average of $1,503/SqFt
Below, the most recent sales most like this unit: units with the same bedroom count.
| Unit ⇅ | Sold Price ⇅ | % of Ask ⇅ | Closed Date ⇅ |
|---|---|---|---|
| 1102 | $5,200,000$1,316/SqFt | 91% | 2/22/23 |
| 603 | $4,100,000$1,129/SqFt | 94% | 3/30/22 |
| 1104 | $3,275,000$890/SqFt | 98% | 4/29/20 |
| 301 | $3,000,000$759/SqFt | 80% | 7/19/19 |
| 1207 | $2,650,000$933/SqFt | 93% | 6/26/15 |
| 804 | $3,400,000$924/SqFt | 77% | 4/6/15 |
| 1107 | $2,550,000$898/SqFt | 86% | 2/24/15 |
| 202 | $2,750,000$696/SqFt | 93% | 10/5/12 |
For a full analysis of past sales in this development, contact Mark Zilbert.
Listed by The Corcoran Group. 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.
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Grand Bay Tower PH 1AN, 430 Grand Bay Drive · MLS A11915787
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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, 4 of 100 units are for sale and 2 sold in the last 12 months at an average of $1,503 per SqFt. Figures compiled by Mark Zilbert, a Key Biscayne real estate agent with ONE Sotheby's International Realty, from MLS records.