For sale Condo

Listed Nov 2, 2026

$12,990,000 Est. $85,917/mo

445 Grand Bay Drive Unit Ph-2a

  • 4

    Beds

  • 6

    Baths

  • 7,400

    Sq ft

The story

  • Pool
  • Waterfront

Unit UNIT PH-2A at 445 Grand Bay Drive is a 4-bedroom, 6-bathroom condo in Key Biscayne, FL with 7,400 sq ft of living space, built in 1996. It is currently listed at $12,990,000. Highlights include a waterfront setting and a pool.

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.

Facts & features

Home type

Condo

Year built

1996

Floors

14

Price per sq ft

$1,755

Included features

  • Pool

    Yes

  • Cooling

    Electric

  • Heating

    Electric

  • Appliances

    Built In Oven, Dryer, Dishwasher, Electric Range, Electric Water Heater, Disposal, Ice Maker, Microwave, Refrigerator, Wine Cooler, Washer

  • Flooring

    Ceramic Tile, Marble

  • Lot Information

    Flood Zone

  • Exterior

    Balcony

Mortgage calculator

Estimated monthly payment

$85,917 /mo

7% rate · 30-yr fixed · 20% down

  • Principal & interest $69,138
  • Property tax $12,990
  • Insurance $3,789

Includes principal, interest, taxes & insurance.

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Listing Broker

One Sotheby's International Realty

Broker Name

One Sotheby's International Realty

Agent

Brigitte Nachtigall