About This Home

This 4-bedroom, 6-bathroom condo at 445 Grand Bay Drive #Ph-2A in Key Biscayne, FL is listed for $12,990,000 ($1,755 per sqft). Built in 1996, the home offers 7,400 sqft of living space on a N/A lot.

Key Features

  • Built in 1996
  • Waterfront

Property Details

5 full, 1 half
#Ph-2A
1996

Amenities

WaterfrontViewA/C
Listing 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.

Monthly Cost Estimate

$69,473/mo

20% down · 6.5% · 30 years

Principal$9,395
Interest$56,290
Insurance$3,789

Estimates only. Actual payments may vary.

Location

445 Grand Bay Drive #Ph-2A

Key Biscayne, FL 33149

GRAND BAY RESIDENCES COND

Features & Amenities

Interior Features

BidetBuilt-in FeaturesBedroom on Main LevelBreakfast AreaBathtubCloset CabinetryDual SinksEntrance FoyerLiving/Dining RoomPantrySeparate ShowerWalk-In Closet(s)

Exterior Features

Balcony

Property Details

Flooring

MarbleTile - Ceramic

Construction

CBS (Concrete Block Structure) Block

Views

Ocean

Parking

CoveredValet

Heating

Electric (Heating)

Cooling

Electric

Appliances

Built-In OvenDryerDishwasherElectric RangeElectric Water HeaterDisposalIce MakerMicrowaveRefrigeratorWine CoolerWasher

Questions & Answers

This 4-bedroom, 6-bathroom condo at 445 Grand Bay Drive is listed at $12,990,000 ($1,755/sqft). The estimated monthly payment is $69,474 based on 20% down, a 30-year loan at 6.5% interest, estimated insurance.

Key features include: Built in 1996, Waterfront. Interior Features: Bidet, Built-in Features, Bedroom on Main Level. Exterior Features: Balcony.

This property is listed by Brigitte Nachtigall.

BN

Brigitte Nachtigall

License 0542022

Agent at One Sothebys International Realty

Listed by One Sothebys International Realty · Broker phone: (305) 666-0562 · View on Broker Site · Broker website

MLS# A12113410· Source: Miami REALTORS®· 4 days on PropertySimple

Copyright © 2026 Miami REALTORS®. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified.

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

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