445 Grand Bay Drive # 2A, Key Biscayne FL 33149

Penthouse For Sale

$12,990,000

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1 days

Waterfront

For Sale

Penthouse

4 bds •

5 ba •

7,400 sqft

Overview

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.

Location

Florida • Key Biscayne • 33149 • Penthouse • For Sale • Waterfront

Details

Type:

Residential

Parking:

1 Space / Covered / Valet / No Rv/Boats

Year Built:

1996

Lot:

No Data

Heating:

Electric

Price/sqft:

$1,755

Cooling:

Electric

HOA:

No Data

Type:

Residential

Parking:

1 Space / Covered / Valet / No Rv/Boats

Year Built:

1996

Lot:

No Data

Heating:

Electric

Price/sqft:

$1,755

Cooling:

Electric

HOA:

No Data

Private inquiry

Talk to the advisor on this listing.

Floor plans, HOA docs, off-market comparables, scheduling a private showing — one message, direct to the local specialist.

Valuation

Recent sales nearby

30 public-records sales within 0.5 mi

Median actual sale: $1.2M

Not enough MLS comparables for a model estimate on this property. Public-records data shown instead.

Highlights

Annual tax

$56,046

2025

View

Bay, Ocean View

Waterfront

Ocean Access, Ocean Front

All facts and features

Flooring

• Ceramic Floor

• Marble

Heating

• Electric

Cooling

• Electric

Appliances

• Dishwasher

• Disposal

• Dryer

• Electric Range

• Electric Water Heater

• Ice Maker

• Microwave

• Refrigerator

• Wall Oven

• Washer

Other interior features

• Built-in Features

• Closet Cabinetry

• Fire Sprinklers

• Entrance Foyer

• Pantry

• Walk-In Closet(s)

• Family Room

• Media Room

Bedrooms and bathrooms

• Bedrooms: 4

• Bathrooms: 1

• Full bathrooms: 5
Parking

• 1 Space

• Covered

• Valet

• No Rv/Boats

Property

• Exterior Features: East Of Us1 / Open Balcony

Other Property Information

• Parcel Number: 24-52-05-049-1300
Type and style

• Property Type: Residential

• Property Sub Type: Condominium
Other financial information

• HOA Frequency: Monthly

• Annual tax amount: $56,046
Source details

• MLS ID: A12113410

Other facts

• Construction Materials: CBS Construction

• Patio And Porch Features: Open Balcony

• Window Features: Blinds

• Direction Faces: East

• Architectural Style: High Rise

• Waterfront: Yes

• Living Area: 7400

• Subdivision Name: GRAND BAY RESIDENCES COND

Private inquiry

Talk to the advisor on this listing.

Floor plans, HOA docs, off-market comparables, scheduling a private showing — one message, direct to the local specialist.

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Market around this address

Live counts in the same area.

The multiple listing information is provided by the Miami Association of REALTORS® from a copyrighted compilation of listings. The compilation of listings and each individual listing are ©2026-present Miami Association of REALTORS®. All Rights Reserved. The information provided is for consumers' personal, noncommercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. All properties are subject to prior sale or withdrawal. All information provided is deemed reliable but is not guaranteed accurate, and should be independently verified. Listing courtesy of: One Sotheby's International Realty

445 Grand Bay Drive # 2A, Key Biscayne FL 33149

Overview

Location

Details

Valuation

Highlights

Interior details

Property details

Construction details

HOA and Financial Details

Other

More like this

Market around this address