$18,900,000
5 bd · 6 ba · 8,435 sqft
445 Grand Bay Drive # PH-1A, Key Biscayne, FL 33149
GRAND BAY
Grand Bay Residences Condos for Sale & Rent
445 Grand Bay Dr, Key Biscayne, FL 33149 · Key Biscayne
About Grand Bay Residences
Grand Bay Residences is a condominium at 445 Grand Bay Dr in Key-biscayne. Residences here come to market for both purchase and annual lease, and every current listing appears below with live pricing direct from the MLS.
Residences range from 2-bedroom homes to 5-bedroom residences. Building amenities include exercise room, lobby secured, pool, bike storage, doorman and fire sprinklers. A detailed twelve-month market report — sold and rental pricing, price per square foot and days on market — is published further down this page.
Building Facts
- Address
- 445 Grand Bay Dr, Key Biscayne, FL 33149
- Median Price / SqFt
- $1,747
Grand Bay Residences Amenities
- Exercise Room
- Lobby Secured
- Pool
- Bike Storage
- Doorman
- Fire Sprinklers
- Guard At Site
- Card Entry
- Child Play Area
- Community Room
- Elevator Secure
- Elevator(s)
- Heated Pool
- Kitchen Facilities
- Security Patrol
- Trash Chute
Grand Bay Residences Residence Features
- Utility Room/Laundry
- Closet Cabinetry
- Dishwasher
- Disposal
- Dryer
- Microwave
- Open Balcony
- Refrigerator
- Storage
- Cooking Island
- Electric Range
- Entrance Foyer
- Fire Sprinklers
- Laundry Tub
- Lobby
- Maid/In-Law Quarters
- Tile
- Walk-In Closet(s)
- Washer
- Bay
- Built-in Features
- Chandelier To Be Replaced
- Clear Impact Glass
- Complete Impact Glass
Features vary by residence — confirm details for any specific unit with us.
Floor Plans & Residences at Grand Bay Residences
Residence configurations observed across current and recent Grand Bay Residences listings:
| Residence | Size Range | For Sale | For Rent | Sale Pricing | Avg $/SqFt |
|---|---|---|---|---|---|
| 2 Bed / 3 Bath | 1,760–2,950 sqft | — | — | — | — |
| 2 Bed / 4 Bath | 2,490–3,950 sqft | 1 | — | $6.9M | $1,747 |
| 3 Bed / 3 Bath | 2,840–2,950 sqft | 1 | — | $3.5M | $1,229 |
| 4 Bed / 5 Bath | 3,250–3,480 sqft | 1 | — | $4.0M | $1,215 |
Derived from live MLS data — request official floor plans and we'll send the developer set for your line.
Grand Bay Residences Listings
Grand Bay Residences Condos for Sale
Grand Bay Residences Pending Sales
Grand Bay Residences Pending Rentals
Grand Bay Residences Sold Condos
Grand Bay Residences Rented Condos
Grand Bay Residences Market Report
Over the last 12 months, 3 condo sales closed in Grand Bay Residences at a median of $3.5M ($1,006/sqft), median 45 days on market. Median sold prices are up 27.3% year-over-year. 4 leases were signed at a median of $11,000/mo ($4.41/sqft). Computed from recorded MLS closings; updates automatically.
$3.5M
Median (12 mo)
3
Sales (12 mo)
45 days
Median DOM
Last 12 Months by Bedroom Count
| Residence | Sales | Median Sold | Sold $/SqFt | DOM | Leases | Median Rent | Rent $/SqFt |
|---|---|---|---|---|---|---|---|
| 2 Bed | 1 | $2.7M | $925 | 47 | 3 | $10,000 | $3.89 |
| 3 Bed | 1 | $5.2M | $1,327 | 3 | 1 | $13,000 | $4.41 |
| 4+ Bed | 1 | $3.5M | $1,006 | 45 | — | — | — |
Month-by-month table — All
| Month | Sales | Median Sold | Sold $/SqFt | DOM | Leases | Median Rent | Rent $/SqFt |
|---|---|---|---|---|---|---|---|
| Nov 2025 | — | — | — | — | 1 | $8,900 | $3.57 |
| Dec 2025 | — | — | — | — | — | — | — |
| Jan 2026 | — | — | — | — | 1 | $13,000 | $4.41 |
| Feb 2026 | 2 | $3.5M | $1,006 | 47 | — | — | — |
| Mar 2026 | — | — | — | — | — | — | — |
| Apr 2026 | 1 | $5.2M | $1,327 | 3 | — | — | — |
| May 2026 | — | — | — | — | 1 | $11,000 | $6.25 |
| Jun 2026 | — | — | — | — | 1 | $10,000 | $3.89 |
| Jul 2026 | — | — | — | — | — | — | — |
| Aug 2026 | — | — | — | — | — | — | — |
| Sep 2026 | — | — | — | — | — | — | — |
| Oct 2026 | — | — | — | — | — | — | — |
Location
Similar Buildings to Grand Bay Residences
Buyers considering Grand Bay Residences also look at these Key-biscayne buildings in a similar price range:
Grand Bay Residences — Frequently Asked Questions
How much does a condo at Grand Bay Residences cost?
Pricing at Grand Bay Residences varies by line, floor, view and finish level. Every available residence is listed on this page with live MLS pricing, and the market report above tracks median sold prices and price per square foot over the last twelve months.
Are there condos for sale at Grand Bay Residences?
Availability at Grand Bay Residences changes continuously — this page updates directly from the MLS, so every residence currently offered for sale or for rent is listed above with photos, pricing and full details.
Can you rent at Grand Bay Residences?
Grand Bay Residences has an active rental market with annual leases regularly available. Current rentals and recent leasing activity, including median rents, appear on this page. Minimum lease terms are set by the association — ask us for the current rental policy.
How is the resale market at Grand Bay Residences?
Grand Bay Residences residences trade regularly on the resale market. The market report above shows the last twelve months of closed sales — median pricing, price per square foot and days on market — updated continuously from the MLS.
Where is Grand Bay Residences located?
Grand Bay Residences is at 445 Grand Bay Dr, Key Biscayne, FL 33149, in the Key-biscayne neighborhood of Key Biscayne. See the location map above for the exact position and surroundings.
More information about Grand Bay Residences
Grand Bay Residences is a condominium building in Key-biscayne, Key Biscayne, FL 33149, in Miami-Dade County. Condos for sale and for rent at Grand Bay Residences are listed on this page with live MLS pricing, alongside a twelve-month market report covering closed sales, rentals, price per square foot and days on market. Comparable Key-biscayne buildings include Oceana Key Biscayne, Grand Bay Tower, Ocean Towers. For private showings, current availability, or off-market opportunities at Grand Bay Residences, contact Matthew Gromadzki at +1 786-370-8570.