$18,900,000
445 Grand Bay Drive PH-1A
Key Biscayne, FL 33149
Explore the area: Key Biscayne homes for sale · Miami Dade County real estate
Price Check
How this price compares
- List price
- $18,900,000
- Price per sq ft
- $2,241
- Vs. nearby sales
- 127.7% above
- Days on market
- 221
This 5-bedroom condo in Grand Bay Residences Cond is listed at $18,900,000, or $2,241 per square foot. It has been on the market for 221 days. The 4 most recent condo sales in the closings shown below sold at a median of $984 per square foot, so the asking price is 127.7% above what comparable homes here actually sold for.
Estimated monthly payment
$99,328 /mo
Principal and interest only, based on $3,780,000 down (20%), a 6.875% 30-year fixed rate. Property taxes, homeowners insurance, and the $9,923/mo HOA are not included.
Customize this estimateListing Snapshot
- Price
- $18,900,000
- Days on Site
- 221 Days
- Bedrooms
- 5
- Total Baths
- 6
- Full Baths
- 5
- Partial Baths
- 1
- Living Area
- 8,435 sqft
- Total Sq Ft
- 11,260 sqft
- Year Built
- 1997
- Property Type
- Condo
- MLS #
- A11954185
- Property Tax
- $54,141 (2025)
- HOA Fees
- $9,923 / Monthly
- Subdivision
- GRAND BAY RESIDENCES COND
- Development
- GRAND BAY
- County
- Miami Dade
- Status
- Active
- Special Conditions
- Listed As Is
About This Property
High above the turquoise waters of Key Biscayne rises a penthouse that simply cannot be replicated. Once featured in Architectural Digest, this legendary corner residence at Grand Bay is a statement of scale, design, and presence. From sunrise over the Atlantic to glittering sunsets across Biscayne Bay and the Miami skyline, the views are cinematic in every direction, offering endless blue water, golden light, and exceptional privacy. Spanning an extraordinary 8,435 square feet under air and 2,825 square feet of terraces, totaling 11,260 square feet as per the developer’s floor plan, the residence is defined by soaring 12-foot ceilings and grand proportions throughout. A dramatic foyer leads to a spectacular Grand Room designed for both intimate living and large-scale entertaining. The formal dining room is separate and elegant, while the completely remodeled kitchen and family room provide comfort and functionality. The fully renovated private library and custom bar enhance the home’s entertaining appeal. The primary suite is serene and expansive. All the bathrooms have just been completely remodeled, offering a fresh spa-inspired experience finished to today’s highest standards. Four (4) additional en-suite bedrooms ensure comfort and privacy. The terraces offer expansive outdoor living in the sky, perfect for sunrise mornings and sunset evenings overlooking the water and skyline. This is not simply a penthouse. It is a landmark residence, rare and impossible to duplicate.
General Features
- Property Type
- Condo
- Status
- Active
- Year Built
- 1997
- Property Condition
- Resale
- Number of Stories
- 14
- Levels
- One
- Garage Spaces
- 0
- Parking
- Covered / Garage / Garage Door Opener / Valet
- Direction Faces
- East
- Living Sq Ft
- 8,435
- Total Sq Ft
- 11,260
Interior Features
- Appliances
- Dryer / Dishwasher / Electric Range / Electric Water Heater / Disposal / Ice Maker / Microwave / Oven / Refrigerator / Washer
- Cooling
- Electric
- Heating
- Electric
- Flooring
- Carpet / Marble / Wood
- Interior Features
- Wet Bar / Bidet / Built In Features / Breakfast Area / Bathtub / Closet Cabinetry / Dining Area / Separate Formal Dining Room / Dual Sinks / Entrance Foyer / Eat In Kitchen / High Ceilings / Main Level Primary / Pantry / Soaking Tub / Separate Shower / Walk In Closets
- Windows
- Blinds / Drapes / Rods
- Furnished
- Unfurnished
Exterior Features
- Construction
- Block
- Exterior Features
- Balcony / Outdoor Living Area
- Pool Features
- Association
- Patio & Porch
- Open / Balcony
- Waterfront
- Yes
- Waterfront Features
- Beach Access / Deeded Access / Ocean Access / Ocean Front
- View
- Bay / Ocean
Community & HOA
- HOA Fee
- $9,923 / Monthly
- HOA Includes
- Common Areas / Cable Tv / Maintenance Grounds / Sewer / Security / Water
- Association Amenities
- Bike Storage / Clubhouse / Fitness Center / Management / Pool
- Security
- Elevator Secured / Fire Alarm / Secured Garage Parking / Smoke Detectors / Security Guard
- Utilities
- Cable Available
- Pets Allowed
- Pet Restrictions / Yes
- 55+ Community
- Yes
- Financing Terms
- Cash / Conventional
- Restrictions
- No Rv / No Truck / No Trailer Parking / Ok To Lease
- MLS Area
- 2520
Schools
- Elementary School
- Key Biscayne K-8
- Middle School
- Ponce De Leon
- High School
- Coral Gables
About the Community
Grand Bay Residences Cond is an age-restricted 55+ community in Key Biscayne, Miami-Dade County, Florida, governed under the Housing for Older Persons Act (HOPA). Homes are priced from $9,900,000 to $18,900,000. At least one resident per home must be 55 or older. Pure Equity lists homes in Grand Bay Residences Cond and represents buyers. Commission is negotiable, and what we are paid is agreed with you in writing before you commit to anything.
- Homes for Sale
- 2
- Median List Price
- $11,425,000
- Median $/Sq Ft
- $1,728
- Avg Days on Market
- 115
Frequently Asked Questions
- How do I schedule a tour of 445 Grand Bay Drive PH-1A, Key Biscayne, FL 33149?
- Use the Tour button on this listing to request a showing of 445 Grand Bay Drive PH-1A, Key Biscayne, FL 33149. Pick a day and time and choose an in-person or video-chat tour, and a Pure Equity agent will confirm your visit, often the same day.
- Is 445 Grand Bay Drive PH-1A, Key Biscayne, FL 33149 still available?
- 445 Grand Bay Drive PH-1A, Key Biscayne, FL 33149 is currently listed as Active, and has been on the market 221 days. Status updates directly from the MLS as homes go under contract, so ask us to confirm availability before you plan a visit.
- How much is the monthly payment for 445 Grand Bay Drive PH-1A, Key Biscayne, FL 33149?
- With 20% down ($3,780,000) on the $18,900,000 list price and a 30-year fixed loan at an illustrative 6.875% rate, the estimated principal & interest for 445 Grand Bay Drive PH-1A, Key Biscayne, FL 33149 is about $99,328/mo, before property taxes, insurance, and HOA dues. Use the payment estimate on this page to adjust the down payment and rate.
- How do I get pre-approved to buy 445 Grand Bay Drive PH-1A, Key Biscayne, FL 33149?
- Getting pre-approved shows sellers you're a serious buyer and clarifies your true budget before you offer on 445 Grand Bay Drive PH-1A, Key Biscayne, FL 33149. Contact Pure Equity and we'll connect you with a trusted local lender to review your financing options, no obligation.
- Does 445 Grand Bay Drive PH-1A, Key Biscayne, FL 33149 have an HOA fee?
- Yes: 445 Grand Bay Drive PH-1A, Key Biscayne, FL 33149 carries an HOA fee of about $9,923 monthly. HOA dues usually cover community amenities and shared maintenance; ask us for the current budget, rules, and exactly what's included.
- What schools serve 445 Grand Bay Drive PH-1A, Key Biscayne, FL 33149?
- 445 Grand Bay Drive PH-1A, Key Biscayne, FL 33149 is zoned for Key Biscayne K-8 (elementary), Ponce De Leon (middle), Coral Gables (high). School assignments and boundaries can change year to year, so confirm current zoning with the local school district before you buy.
- Can I negotiate the price of 445 Grand Bay Drive PH-1A, Key Biscayne, FL 33149?
- Often, yes. The right offer on 445 Grand Bay Drive PH-1A, Key Biscayne, FL 33149 depends on how it's priced against comparable condo sales in Key Biscayne, how long it's been listed, and how motivated the seller is. Pure Equity will run the comps and help you craft a competitive, well-supported offer.
Listing courtesy of One Sotheby's International Realty
Listing information is provided by BeachesMLS, Inc.and is deemed reliable but not guaranteed accurate by the MLS or Pure Equity. Information is for consumers’ personal, non-commercial use and may not be used for any purpose other than to identify prospective properties. © 2026 BeachesMLS, Inc. Last updated June 23, 2026.
$18,900,000
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Listed by Brigitte Nachtigall, One Sotheby's International Realty
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Recent Sales
Recently sold homes in Grand Bay Residences Cond
These are the last 4 recorded closings in Grand Bay Residences Cond, with the price each home actually sold for rather than what it was listed at. They closed at a median of $1,036 per square foot. The most recent closed on February 6, 2026. Closed sales are what an appraiser and a buyer's agent will look at, so they are the starting point for pricing a home here.
Sold$2,730,000
Sold · February 6, 2026
445 Grand Bay Drive 802
2 bed · 3 bath · 2,950 sqft · $925/sqft
$419,000 under the asking price
Sold$2,662,500
Sold · September 12, 2025
445 Grand Bay Drive 601
3 bed · 2.5 bath · 2,570 sqft · $1,036/sqft
$127,500 under the asking price
Sold$2,750,000
Sold · August 15, 2025
445 Grand Bay Drive 602
3 bed · 3 bath · 2,950 sqft · $932/sqft
$230,000 under the asking price
Sold$4,500,000
Sold · July 11, 2025
445 Grand Bay Drive 1210
3 bed · 4 bath · 2,950 sqft · $1,525/sqft
$350,000 under the asking price
See every recorded sale in Grand Bay Residences Cond or find out what your Grand Bay Residences Cond home is worth.
