Grand Bay Residences
Key Biscayne, Miami · 445 Grand Bay Dr, Key Biscayne, FL 33149
Grand Bay Residences in Key Biscayne, Miami has 347 recorded condominium sales dating back to 1996, a median sale price of $1.2M and an average of $478 per square foot. Every figure below is drawn from recorded deeds — not listings, not estimates.
Grand Bay Residences is one of 38 condo buildings CURVE covers in Key Biscayne, where the median recorded price is $238 per square foot. By that measure it ranks #12 of 38 in the neighborhood.
The record
Sales activity
Recorded sales by year
Every deed recorded in Grand Bay Residences, by year, with that year's median price.
Sales by price point
How 347 recorded sales distribute across the price ladder.
Unit mix sold
Bedroom count across recorded sales.
10 most recent sales
| Unit | Date | Beds | Type | Price | $/SF | Change |
|---|---|---|---|---|---|---|
| 303 | 3/4/2026 | 3 Beds | Resale 1 | $3.5M | $1,006 | +245% |
| 802 | 2/10/2026 | 3 Beds | Resale 4 | $2.7M | $925 | +304% |
| 1107 | 11/26/2025 | 3 Beds | Resale 1 | $4.5M | $1,345 | +250% |
| 601 | 9/22/2025 | 2 Beds | Resale 4 | $2.7M | $1,036 | +233% |
| 1011 | 9/8/2025 | 5 Beds | Resale 2 | $8.0M | $1,663 | +335% |
| 602 | 8/21/2025 | 3 Beds | Resale 4 | $2.8M | $932 | +31% |
| 1210 | 7/17/2025 | 3 Beds | Resale 4 | $4.5M | $1,525 | +67% |
| 312 | 5/23/2025 | 2 Beds | Resale 3 | $1.9M | $1,094 | +166% |
| 908 | 7/12/2024 | 3 Beds | Resale 1 | $4.5M | $1,230 | +350% |
| 801 | 1/5/2024 | 2 Beds | Resale 4 | $2.7M | $1,051 | +60% |
The full Grand Bay Residences record
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More buildings in Key Biscayne
About this record
Where does this data come from?
Every sale shown is a deed recorded with the Miami registry — the legal record of the transaction, not a listing or an estimate. CURVE assembles, verifies and reconciles each one to the building and the unit.
How many sales are in Grand Bay Residences?
347 recorded sales, going back to 1996, of which 211 are resales. This page shows the 10 most recent; members see all of them.
What has Grand Bay Residences done over time?
Resales in the building have changed hands at an average of +65.6% against their prior recorded price, after an average hold of 8.3 years.
What do members see that I don't?
The complete sales table, each unit's full chain of title, buyer and seller names, financing detail, the deed book and page behind every figure, the condo documents, and reports you can send to a client.