Key Biscayne Condos

Grand Bay Condos for Sale

As of November 9, 2026, 2 residences are listed for sale at Grand Bay, 430 Grand Bay Dr, asking from $3,900,000 to $6,690,000. The largest group is 2-bedroom residences: 1 listed, from $6,690,000 to $6,690,000. Another 1 is under contract or pending.

Updated November 9, 2026. Source: MLS listings shown on WIRE Miami search.

2
For Sale
$3.9M
Lowest Asking
$6.69M
Highest Asking
1
Under Contract

Asking prices by bedroom count

Active listings at Grand Bay, grouped by bedrooms. Prices are asking prices for the whole residence.

BedroomsFor saleLowestHighest
2 bedrooms1$6,690,000$6,690,000
4 bedrooms1$3,900,000$3,900,000

Grand Bay residences for sale

Every active residence listing in the building (cabana, storage and parking units are left out), lowest price first, with the brokerage that holds the listing. Open any price to see that listing's photos and details on WIRE Miami search.

Asking priceUnitBedsBathsInteriorListing brokerage
$3,900,000606442,930 sq ftOne Sotheby's International Realty
$6,690,000801243,950 sq ftColdwell Banker Realty

Listing courtesy of the brokerage shown on each row. The data relating to real estate for sale on this website comes in part from the Internet Data Exchange (IDX) program of the Miami Association of Realtors. Information is deemed reliable but not guaranteed. All properties are subject to prior sale, change, or withdrawal. © 2026 WIRE Miami. Last updated: November 9, 2026.

Grand Bay sales in the last 12 months

In the 12 months to November 9, 2026, 3 residences closed at Grand Bay, from $3,300,000 to $6,150,000, a median of $5,240,000. Sellers closed at a median 95% of their final asking price and 90% of their original asking price, after a median 80 days on the market.

BedroomsClosedLowestHighestMedian closedMedian asking today
3 bedrooms3$3,300,000$6,150,000$5,240,000None listed

Every closing in the period

ClosedUnitBedsInteriorSold priceShare of final askingDays on market
Nov 6, 202670832,840 sq ft$3,300,00095%80
Oct 30, 2026110333,630 sq ft$6,150,00090%86
Apr 20, 202690233,950 sq ft$5,240,000103%3

Closed sales recorded in the MLS through November 9, 2026; cabana, storage and parking units are left out. The data relating to real estate for sale on this website comes in part from the Internet Data Exchange (IDX) program of the Miami Association of Realtors. Information is deemed reliable but not guaranteed. All properties are subject to prior sale, change, or withdrawal. © 2026 WIRE Miami. Last updated: November 9, 2026.

Building facts

From the MLS records of the building's listings.

Address
430 Grand Bay Dr
Neighborhood
Key Biscayne
City (MLS)
Key Biscayne, FL 33149
Year built (MLS)
1999

Grand Bay questions

What have condos at Grand Bay sold for recently?

In the 12 months to November 9, 2026, 3 residences closed at Grand Bay, from $3,300,000 to $6,150,000, a median of $5,240,000. Sellers closed at a median 95% of their final asking price and 90% of their original asking price, after a median 80 days on the market.

How much are condos at Grand Bay listed for today?

2 residences are listed for sale at Grand Bay, asking from $3,900,000 to $6,690,000, as of November 9, 2026.

How long do condos at Grand Bay take to sell?

Residences that closed at Grand Bay in the last 12 months spent a median 80 days on the market.

When was Grand Bay built?

MLS records for Grand Bay list 1999 as the year built.

WIRE Miami

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