180 Days on Market
Condo for Sale
$18,900,000
5 bd · 6 ba · 8,435 sqft
445 Grand Bay Drive # PH-1A, Key Biscayne, FL 33149
180 days on market
GRAND BAY
Grand Bay Residences Condos — Key Biscayne
445 Grand Bay Dr, Key Biscayne, FL 33149 · Key Biscayne
About Grand Bay Residences
Rising 12 stories at 445 Grand Bay Dr in Key Biscayne, Grand Bay Residences is a condominium tower delivered in 1999 with 138 residences. It was designed by Cohen Freedman Encinosa.
4 residences are for sale right now, asking $3.5M to $19M (a median $1,747 per square foot). By size: 1 two-bedroom from $6.9M, 1 three-bedroom from $3.5M and 2 four-bedroom-plus homes from $4.0M.
Over the past twelve months 3 units closed at a median $3.5M ($1,006/sq ft), typically going under contract in about 45 days. 4 leases were signed over the same period at a median $11,000 a month.
Life in the building comes with a fitness center, a pool, bike storage, guard at site, a secured lobby and a community room.
Grand Bay Residences Building Facts
The Building
- Address
- 445 Grand Bay Dr, Key Biscayne, FL 33149
- Neighborhood
- Key Biscayne
- City
- Key Biscayne, FL 33149
- County
- Miami-Dade County
- Year built
- 1999
- Stories
- 12
- Residences
- 138
- Bedrooms
- 2 – 5 bedrooms
- Bathrooms
- 2 – 6 baths
- Architect
- Cohen Freedman Encinosa
- Construction
- CBS Construction
- Legal name
- Grand Bay Residences Condominium
Ownership Costs & Rules
- HOA fees
- $3,200 – $4,398/mo
- HOA average
- $3,829/mo
- HOA per sq ft
- $1.15/sq ft per month
- HOA includes
- Common Area, All Amenities, Landscaping/Lawn Maintenance, Pool Service, Water, Elevator, Manager, Pest Control Interior
- Pets
- Allowed with restrictions
- Leasing
- 6 months minimum · up to 1× a year
Market — Last 12 Months
- Closed sales
- 3
- Median sold price
- $3.5M
- Median sold $/sq ft
- $1,006
- Median days on market
- 45 days
- Leases signed
- 4
- Median rent
- $11,000/mo
Views, Parking & Security
- Waterfront
- Yes
- Views
- Bay, Direct Ocean, Ocean, Garden
- Parking
- Valet, 1 Space, 2 Or More Spaces
- Security
- Guard At Site, Lobby Secured, Doorman, Elevator Secure
HOA, pet and leasing details are read from current MLS listings in the building and can vary by unit — confirm with the association before you buy.
Grand Bay Residences Amenities
Pool, Spa & Fitness
- Exercise Room
- Pool
- Heated Pool
Security & Access
- Guard At Site
- Lobby Secured
- Doorman
- Card Entry
- Secured Garage/Parking
- Security Patrol
Social & Leisure
- Child Play Area
Services & Building
- Bike Storage
- Elevator Secure
- Elevator(s)
- Trash Chute
More Amenities
- Community Room
- Fire Sprinklers
- Fire Alarm
- Kitchen Facilities
- Smoke Detector
Grand Bay Residences Residence Features
- Closet Cabinetry
- Dishwasher
- Disposal
- Dryer
- Microwave
- Open Balcony
- Refrigerator
- Utility Room/Laundry
- Electric Range
- Entrance Foyer
- Storage
- Walk-In Closet(s)
- Washer
- Bay
- Built-in Features
- Cooking Island
- Den/Library/Office
- Direct Ocean
- Electric Water Heater
- Family Room
- Fire Sprinklers
- Laundry Tub
- Lobby
- Maid/In-Law Quarters
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
162 Days on Market
Condo for Sale
$6,900,000
2 bd · 4 ba · 3,950 sqft
430 Grand Bay Dr # 801, Key Biscayne, FL 33149
162 days on market
Grand Bay
8 Days on Market
Condo for Sale
$3,950,000
4 bd · 5 ba · 3,250 sqft
445 Grand Bay Dr # 104, Key Biscayne, FL 33149
8 days on market
GRAND BAY RESIDENCES COND
72 Days on Market
Condo for Sale
$3,490,000
3 bd · 3 ba · 2,840 sqft
430 Grand Bay Dr # 708, Key Biscayne, FL 33149
72 days on market
GRAND BAY
Grand Bay Residences Condos for Rent
There are no Grand Bay Residences condos for rent available at the moment. Annual leases in the building turn over throughout the year — tell us your move-in date, size and budget, and we'll send Grand Bay Residences rentals as soon as they're listed.
Grand Bay Residences Pending Sales
- 445 Grand Bay Dr # 418, Key Biscayne, FL 33149 — $2,520,000 · 2 bd · 3 ba
Grand Bay Residences Sold Condos
- 430 Grand Bay Dr # 902, Key Biscayne, FL 33149 — $5,240,000 · 3 bd · 6 ba
- 445 Grand Bay Dr # 303, Key Biscayne, FL 33149 — $3,500,000 · 4 bd · 5 ba
- 445 Grand Bay Dr # 802, Key Biscayne, FL 33149 — $2,730,000 · 2 bd · 3 ba
Grand Bay Residences Rented Condos
- 445 Grand Bay Dr # 711, Key Biscayne, FL 33149 — $10,000 · 2 bd · 4 ba
- 445 Grand Bay Dr # 412, Key Biscayne, FL 33149 — $11,000 · 2 bd · 2 ba
- 445 Grand Bay Dr # 602, Key Biscayne, FL 33149 — $13,000 · 3 bd · 3 ba
- 445 Grand Bay Dr # 201, Key Biscayne, FL 33149 — $8,900 · 2 bd · 4 ba
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 | — | — | — | — | — | — | — |
Grand Bay Residences Location & Address
Address
445 Grand Bay Dr, Key Biscayne, FL 33149Key Biscayne · Key Biscayne · Miami-Dade County
Grand Bay Residences — Frequently Asked Questions
What do condos at Grand Bay Residences sell for?
Current asking prices run $3.5M–$19M across 4 listings. Closed sales over the past year had a median of $3.5M, or $1,006 per square foot. Exact value depends on floor, line, view and finish.
Are there condos for sale at Grand Bay Residences right now?
Yes — 4 residences are for sale, the least expensive at $3.5M. Mix: 1 two-bedroom, 1 three-bedroom and 2 four-bedroom-plus homes.
What does it cost to rent at Grand Bay Residences?
The median rent over the past twelve months was $11,000 a month across 4 leases. Two-bedrooms rented for about $10,000 and three-bedrooms rented for about $13,000. Minimum lease terms are set by the association — ask us for Grand Bay Residences’ current rental policy.
Are prices going up at Grand Bay Residences?
The median sale price is up 27% compared with the prior twelve months. Units that sold took a median 45 days to go under contract. 3 sales closed in the last year.
When was Grand Bay Residences built?
Grand Bay Residences was completed in 1999 and has 12 stories and 138 residences. The project credits architect Cohen Freedman Encinosa.
Where is Grand Bay Residences located?
Grand Bay Residences is at 445 Grand Bay Dr, Key Biscayne, FL 33149, in Key Biscayne.
Living at Grand Bay Residences: Summary
Grand Bay Residences is a condominium in Key Biscayne, Key Biscayne, FL 33149 (Miami-Dade County). At last update: 4 for sale and 3 sold in the past year. For a private showing, off-market availability or a valuation of your unit at Grand Bay Residences, call Matthew Gromadzki at +1 786-370-8570.