Grand Bay Residences 445 Grand Bay Dr, Key Biscayne, FL 33149

From $2,520,000 to $18,900,000

Grand Bay Residences
  • Units

    137

  • Stories

    14

  • Developer

    GB/JT Hotel

  • Year Built

    1996

  • Neighborhoods

    Key Biscayne, Miami

  • City

    Key Biscayne

  • Average Price/sqft (sale)

    $1,910/sqft

  • Average Price/sqft (rent)

    $5/sqft

  • Active listings for Sale

    3

  • Active listings for Rent

    2

Description

Located on 12 acres of lush and tropical landscaped grounds, Grand Bay Residences was designed by Cohen Friedman Encinosa & Associates in 1996. Part of the Ritz-Carlton Hotel group, this 14-story building offers 137 2-to-5-bedroom residences that range from 1,720 to 3,480 sq ft. Units feature high ceilings, private-entry foyers, and large terraces. Enjoy resort-style amenities in one of the most luxurious buildings in Key Biscayne.

Amenities

  • Pool
  • Fitness center
  • Spa and jacuzzi
  • Tennis courts
  • Direct beach access
  • Social room
  • Concierge
  • Valet parking
  • 24-hour security

Building Data for Grand Bay Residences

For sale

Number of units For sale

3

% of units For sale

2.19%

Average $/sqft (Asking)

$1,910/sqft

Average $/sqft (Closed)

$925/sqft

Price range

From $2,520,000 to $18,900,000

Number of Sale over the last 6 months

1

Number of Sale over the last 12 months

3

For rent

Number of units For rent

2

% of units For rent

1.46%

Average $/sqft (Asking)

$5/sqft

Average $/sqft (Closed)

$5/sqft

Price range

From $8,900 to $22,000

Number of Rent over the last 6 months

2

Number of Rent over the last 12 months

4

Neighborhood

Available Condos for Sale and Rent at Grand Bay Residences

For sale
For rent
Available
Unit# List price Beds Baths Sqft $/sqft Maint$ DOM Type
1001 $9,900,000 5.0 5.0 4,810 447 $2,058/sqft $7,046/Monthly 272 Days Sale
PH-1A $18,900,000 5.0 5.0 8,435 784 $2,241/sqft 150 Days Sale
310 $10,000/month 3.0 4.0 2,950 274 $3/sqft Furnished 117 Days Rental
- $22,000/month 3.0 4.0 3,480 323 $6/sqft Furnished 8 Days Rental
418 $2,520,000 2.0 2.0 1,760 164 $1,432/sqft $2,225/Monthly 4 Days Sale
Pending
Unit# List price Beds Baths Sqft $/sqft Maint$ Last Mod. Type
303 $3,850,000 4.0 4.0 3,480 323 $1,106/sqft $4,336/Monthly 09/01/2026 Sale
Closed deals
Unit# Close Date Close Price List price Close $/sqft Beds Baths Sqft Type
1102 2025-05-01 $12,500/month $13,000/month $4/sqft 2.0 4.0 2,950 274 Rental
412 2025-03-11 $10,500/month $12,000/month $6/sqft 2.0 2.0 1,760 164 Rental
1210 2025-07-11 $4,500,000 $4,850,000 $1,525/sqft 3.0 4.0 2,950 274 Sale
602 2025-08-15 $2,750,000 $2,980,000 $932/sqft 3.0 3.0 2,950 274 Sale
802 2026-02-06 $2,730,000 $3,149,000 $925/sqft 2.0 3.0 2,950 274 Sale
601 2025-09-12 $2,662,500 $2,790,000 $1,036/sqft 3.0 2.0 2,570 239 Sale
602 2026-01-01 $13,000/month $13,500/month $4/sqft 3.0 3.0 2,950 274 Rental
201 2025-11-12 $8,900/month $8,900/month $4/sqft 2.0 3.0 2,490 231 Rental
412 2026-05-18 $11,000/month $12,000/month $6/sqft 2.0 2.0 1,760 164 Rental
711 2026-06-29 $10,000/month $10,000/month $4/sqft 2.0 3.0 2,570 239 Rental

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