
Property photos —
MIAMI REALTORS® MLS445 Grand Bay Drive PH-2A, Key Biscayne, FL 33149
- Beds
- 4
- Baths
- 6
- Sqft
- 7,400
- Home type
- Condominium
- Year built
- 1996
- Lot size
- —
- Price / sqft
- $1,755
- HOA
- $9,343/mo
- Community
- GRAND BAY RESIDENCES COND
Property description
Experience oceanfront living at its finest in this extraordinary floor-through penthouse at Grand Bay Residences, one of Key Biscayne’s most prestigious luxury addresses. Encompassing an impressive 7,400 square feet under A/C, this exceptional residence offers breathtaking panoramic views of the Atlantic Ocean, Biscayne Bay, and the Miami skyline. Two magnificent, oversized terraces facing east and west create an unparalleled indoor-outdoor living experience, where spectacular sunrises over the ocean and unforgettable sunsets over the bay become part of everyday life. Beautifully upgraded and designed for both grand entertaining and comfortable living, the residence features expansive living areas, an elegant formal dining room, gourmet kitchen, and private home theater. The magnificent primary suite is a true private sanctuary, featuring a generous walk-in closet and two separate, beautifully appointed bathrooms, offering the ultimate in comfort, privacy, and luxury. Three additional spacious bedrooms, each with its own en-suite bathroom, provide exceptional comfort and privacy. Residents enjoy an extraordinary resort-style lifestyle with direct beach and ocean access, concierge and valet services, a state-of-the-art fitness center, a spectacular swimming pool, and the impeccable service of Grand Bay’s dedicated professional staff. A rare opportunity to own a truly remarkable penthouse where space, sophistication and breathtaking views capture the best of this island.
Listing activity
- Days on market
- 0
- Listed
- Nov 2, 2026
- MLS listing updated
- 11 hours ago
- Feed last checked
- 8 minutes ago
Listed by Brigitte Nachtigall · One Sotheby's International Realty
Map
Map location is based on MLS-supplied coordinates. Verify the location before relying on it.
Facts & features
Interior
Bedrooms & bathrooms
- Bedrooms
- 4
- Bathrooms
- 6
- Bathrooms (decimal)
- 5.5
- Full bathrooms
- 5
- Half bathrooms
- 1
Rooms & features
- Rooms
- 2
- Interior features
- Built-in Features, Closet Cabinetry, Entrance Foyer, Pantry, Walk-In Closet(s)
- Flooring
- Ceramic Tile, Marble
- Appliances
- Electric Water Heater, Dishwasher, Disposal, Dryer, Electric Range, Ice Maker, Microwave, Oven, Refrigerator, Washer
- Furnished
- Unfurnished
- Window features
- Blinds
Heating & cooling
- Heating
- Electric
- Cooling
- Electric
Property
Parking
- Garage spaces
- 0
- Carport spaces
- 0
- Covered spaces
- 0
- Parking features
- Covered, Valet
- Attached garage
- No
Exterior
- Stories
- 14
- Building area
- 7,400 sqft
- Exterior features
- Balcony
- View
- Ocean, Direct Ocean, Bay
- Waterfront
- Ocean Access, Deeded Beach Access, Ocean
- Waterfront property
- Yes
Lot
- Road frontage
- East of US-1
Construction
Type & style
- Home type
- Condominium
- Year built
- 1996
- New construction
- No
Materials
- Construction
- CBS
- Property condition
- Resale
- Faces
- East
Utilities & green energy
Utilities
- Utilities
- Cable Available
Community & HOA
Community
- Subdivision
- GRAND BAY RESIDENCES COND
- MLS area
- 2520
- Security
- Elevator Secure, Fire Alarm, Fire Sprinkler System, Secured Garage/Parking, Security System, Smoke Detector(s)
- Pets allowed
- Yes
- 55+ community
- Yes
Association
- Has association
- Yes
- Association fee
- $9,343 monthly
- Estimated monthly dues
- $9,343
- Amenities
- Maintenance, Pool, Bike Storage, Community Room, Fitness Center, Management, Trash Chute
- Services included
- Pool Service, Common Areas, Maintenance Grounds, Maintenance Structure, Security, Sewer, Trash, Water
Lease details
Not reported by the listing source.
Location
Area details
- City
- Key Biscayne
- County
- Miami-Dade
- ZIP code
- 33149
Manufactured home details
Not reported by the listing source.
Financial & listing details
Listing
- MLS number
- A12113410
- Possession
- Negotiable
- Original list price
- $12,990,000
- Parcel number
- 2452050491300
- Annual property tax
- $56,046
- Tax year
- 2025
- Tax legal description
- GRAND BAY RESIDENCES CONDO UNIT PH-2A UNDIV 1.6846% INT IN COMMON ELEMENTS OFF REC 17374-0773 OR 17923-1515 1297 1
Additional MLS details
Reported by the listing source
- Association Amenities
- Maintenance, Pool, Bike Storage, Community Room, Fitness Center, Management, Trash Chute
- Association Fee Frequency
- Monthly
- Association Fee Includes
- Pool Service, Common Areas, Maintenance Grounds, Maintenance Structure, Security, Sewer, Trash, Water
- Association
- Yes
- Bathrooms Total Decimal
- 5.5
- Bathrooms Total Integer
- 6
- Building Area Total
- 7400
- Construction Materials
- CBS
- County Or Parish
- Miami-Dade
- Days On Market
- 0
- Direction Faces
- East
- Elementary School
- Key Biscayne K-8
- High School
- Coral Gables
- List Price
- 12990000
- Listing Contract Date
- 2026-11-02
- Living Area
- 7400
- MLSArea Major
- 2520
- Middle Or Junior School
- Ponce De Leon
- Mls Status
- Active
- On Market Date
- 2026-11-01
- Photos Count
- 54
- Postal Code
- 33149
- Property Sub Type
- Condominium
- Property Type
- Residential
- Road Frontage Type
- East of US-1
- Rooms Total
- 2
- Security Features
- Elevator Secure, Fire Alarm, Fire Sprinkler System, Secured Garage/Parking, Security System, Smoke Detector(s)
- Senior Community
- Yes
- Standard Status
- Active
- State Or Province
- FL
- Status Change Timestamp
- 2026-11-02T05:00:00Z
- Stories Total
- 14
- Subdivision Name
- GRAND BAY RESIDENCES COND
- Waterfront Features
- Ocean Access, Deeded Beach Access, Ocean
- Tax Annual Amount
- 56046
- Bathrooms Full
- 5
- Bedrooms Total
- 4
- Bathrooms Half
- 1
- General Property Information: Senior Community
- Yes
- Financial Information: Estimated Monthly Assoc Recurring Fee
- 9343
Market value
Price history
| Date | Event | Price |
|---|---|---|
| Nov 2, 2026 | ListedMIAMI REALTORS® MLS | $12,990,000$1,755/sqft |
Public tax history
| Year | Property taxes | Assessment |
|---|---|---|
| 2025 | $56,046 | — |
Payment calculator
- Principal & interest
- $67,402
- Property taxes
- $4,671
- Insurance
- $6,495
- Association dues
- $9,343
Live national rate context is displayed below through Mortgage News Daily’s official widget. The calculator rate remains a separate assumption until licensed machine-readable access is connected. This is not a loan offer.
Neighborhood
Area
GRAND BAY RESIDENCES CONDKey Biscayne · Miami-Dade County · 33149
Climate risk
—No licensed climate-risk source is connected.
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