GRAND BAY TOWER CONDO

430 Grand Bay Dr # 307, Key Biscayne FL 33149

3 beds · 4 baths · 2,840 ft²

For Sale · Active Listing

$3,400,000

Est. Payment $18,096/mo

MLS Sheet Video

3

Bedrooms

4

Bathrooms

2,840

Sq. Ft.

1999

Year Built

1

Garage

12

Stories

57

Days on Market

Description

Step off your private elevator into your own foyer and feel instantly at home. This updated, light-filled 3BR + maid's quarters / 4BA offers a wonderfully functional layout - open living and dining area, family room, and a partially open kitchen with snack counter, all flowing to a spacious garden terrace with peaceful green views. Three full ensuite bedrooms. The primary suite is bright and spacious with its own private balcony. Impact windows throughout. Move-in ready. Boutique building. Enjoy Grand Bay's five-star amenities: beach service, pool, fitness center, concierge, valet, tennis and padel courts, and more - all steps from the Ritz-Carlton! Island living at its finest.

Facts

MLS#
A11989375
Subdivision
GRAND BAY TOWER CONDO
Property Type
Residential
Property Sub Type
Condominium
Year Built
1999
Lot Size
0 sqft
Sq. Ft.
2,840 ft²
Sq. Mt.
264 m²
Price per sq. ft.
$1,197/ft²
Price per sq. mt.
$12,879/m²
Stories
12
Garage
1 spaces
Pool
Days on Market
57 days
Listed
Mar 25, 2026
Last Updated
May 21, 2026
Price/Lot Sq.Ft.

Comparable homes

Same ZIP, similar price + bedrooms.

Market insights for Key Biscayne

Live MLS-derived activity. Forecast is a conservative rule-of-thumb estimate — not a guarantee.

Sellers market

May 2026

100/100
Buyers marketSellers market

45

Median days to sold

+4.5%

1-year price forecast (est.)

Price & tax history

From the live MIAMI MLS feed. Older history requires the ListingHistory resource (not yet enabled).

3/25/2026Listed for sale$3,400,000

History reflects fields present on the live MLS record. Full multi-year history requires the MIAMI ListingHistory resource (not yet enabled).

Location

430 Grand Bay Dr # 307, Key Biscayne FL 33149Directions

GreatSchools Summary Ratings

Public + private K-12 schools within 5 miles of this listing.

GreatSchoolsData provided by GreatSchools.org © 2026. All rights reserved.

Estimated Monthly Payment

$21,080/mo

Principal & Interest

$18,096

Property Tax

$2,833

Insurance

$150

HOA

$0

20% ($680,000)
7.00%
30 years
1.00% (FL avg ~1.0%)
$0/mo
$150/mo

Estimates only. Actual payment depends on credit, lender, insurance carrier, and FL/Miami-Dade specifics. Contact Rangely for a precise quote.

Rangely Adames

Rangely Adames

Sales Associate | Sunland Group

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The data relating to real estate for sale on this website comes in part from the Southeast Florida Multiple Listing Service. MLS Data is deemed reliable, but is not guaranteed accurate by MIAMI REALTORS®.

Accuracy of listing information is not guaranteed. Listing information is provided for personal consumer, non-commercial use, solely to identify potential properties for potential purchase. All other use is strictly prohibited and may be a violation of federal and state law.

Copyright Southeast Florida MLS a/k/a SEFMLS © 2026.

Updated 20 hours ago

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