logo
Properties
Explore our listings
Buy
Listings for sale
Rent
Listings for rent
Explore
Neighborhoods, buildings & trends
Neighborhoods
Check neighborhoods information
Buildings
Check buildings information
Pre-Construction
New developments on sale
Market Trends
Monthly market data & analysis
Resources
Blog, tools & guides
Blog
Articles & guides
Tax Calculator
Compare tax savings
Property Tax Calculator
Estimate your annual tax
Sell Your Home
Get a free home valuation
Contact
Tell us about your needs
Language
Change website language
English
Русский
Español
中文(简体)
Sign In
Sign in or register

445 Grand Bay Dr # 1001, Key Biscayne FL 33149

Condo/Co-op For Sale
$9,900,000

BTC: 154.68750000

ETH: 5,670.10309278

-$600K (2026/04/14)
231 days
Waterfront
5 bds
5 ba
4,810 sqft

Overview

Spectacular High-Floor Residence. Experience elevated coastal living in this stunning 5 beds, 4.5 baths residence, ideally positioned on a high floor of the exclusive Grand Bay. This expansive unit also features a dedicated media room, inviting family room & a separate exercise room, offering the perfect balance of luxury, comfort, and functionality. Enjoy breathtaking, unobstructed views of the Atlantic Ocean & Biscayne Bay from multiple private balconies. The home is exquisitely finished with custom built-in millwork, elegant marble flooring & designer lighting throughout, creating an atmosphere of timeless sophistication. Perfect for entertaining or serene relaxation, the thoughtfully designed layout blends indoor & outdoor living seamlessly. 3 additional parking space SOLD seperately

Location

Florida • Key Biscayne • 33149 • Condo/Co-op • For Sale • Waterfront

Details

Type:
Residential
Parking:
1 Space / Assigned / Valet
Year Built:
1996
Lot:
No Data
Heating:
Electric
Price/sqft:
$2,058
Cooling:
Electric
HOA:
$7,046

Valuation

Our model vs. what's actually selling nearby.
Estimate
$16,500,000
$7.5M – $18.3M
Confidence Low
List vs. estimate
$6.6M below estimate
List $9,900,000 · -40.0%
Our model says this listing is priced below recent comparable activity. Expect competition.
Price per sq ft
$2,058
+120.7% vs. city median $932
Based on
5 MLS comparables
+ 30 public-records sales within 0.5 mi
Median actual sale: $1.3M
Median of recent comparable listings. Sold comps use closing price, active listings use list price.

Highlights

Annual tax
$87,982
2024
HOA
$7,046/mo
View
Direct Ocean, Other View
Waterfront
Ocean Front
Garage
1 car garage
Pets
Restrictions Or Possible Restrictions
All facts and features

  • Flooring

    • Carpet

    • Marble

    Heating

    • Electric

    Cooling

    • Electric

    Appliances

    • Dishwasher

    • Dryer

    • Electric Water Heater

    • Microwave

    • Washer

    Other interior features

    • Built-in Features

    • Entrance Foyer

    • Other

    • Pantry

    • Roman Tub

    • Split Bedroom

    Bedrooms and bathrooms

    • Bedrooms: 5

    • Bathrooms: 1

    • Full bathrooms: 5

  • Parking

    • 1 Space

    • Assigned

    • Valet

    Property

    • Exterior Features: Open Balcony

    Other Property Information

    • Parcel Number: 24-52-05-049-0130

  • Type and style

    • Property Type: Residential

    • Property Sub Type: Condominium

  • Other financial information

    • HOA: $7,046

    • HOA Frequency: Monthly

    • Annual tax amount: $87,982

  • Source details

    • MLS ID: A11896664

    Other facts

    • Construction Materials: Concrete Block Construction

    • Patio And Porch Features: Open Balcony

    • Architectural Style: High Rise

    • Waterfront: Yes

    • Garage Spaces: 1

    • Garage: Yes

    • Living Area: 4810

    • 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.

More like this

For Sale
$8,500,000
House
6 bds · 6 ba · 4,190 sqft
TROPICAL ISLE HOMES SUB 4, Key Biscayne
238 Buttonwood Dr, Key Biscayne FL 33149
For Sale
$10,500,000
House
7 bds · 5 ba · 5,000 sqft
OCEANA KEY BISCAYNE CONDO,Oceana Key Biscayne, Key Biscayne
105 Reef Ln, Key Biscayne FL 33149
For Sale
$6,950,000
House
5 bds · 5 ba · 5,421 sqft
BISCAYNE KEY ESTATES, Key Biscayne
685 Harbor Ln, Key Biscayne FL 33149
-$200K
For Sale
$11,600,000
House
5 bds · 5 ba · 3,509 sqft
CAPE FLA SUB SEC 2, Key Biscayne
221 Knollwood Dr, Key Biscayne FL 33149
For Sale
$11,300,000
House
6 bds · 6 ba · 5,216 sqft
Biscayne Key Estates, Key Biscayne
610 Harbor Cir, Key Biscayne FL 33149
For Sale
$7,590,000
House
6 bds · 4 ba · 4,043 sqft
BISCAYNE KEY ESTATES, Key Biscayne
741 Harbor Dr, Key Biscayne FL 33149
-$500K
For Sale
$11,495,000
Condo/Co-op
4 bds · 5 ba · 3,787 sqft
OCEANA KEY BISCAYNE CONDO, Key Biscayne
350 Ocean Dr # 701N, Key Biscayne FL 33149
For Sale
$11,500,000
House
7 bds · 5 ba · 5,008 sqft
OCEANA KEY BISCAYNE CONDO, Key Biscayne
111 Reef Ln, Key Biscayne FL 33149

Market around this address

Live counts in the same area.
View all
This zip
33149
161
median $2.6M
Active
Same city
Key Biscayne
160
median $2.6M
Active
Same type
Condo/Co-op
96
median $1.3M
Active
Similar price
$6.9M – $12.9M
16
median $9.5M
Active

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: BHHS EWM Realty