BALLENISLES COUNTRY CLUB,Grand Key Estates
305 Grand Key Terrace, Palm Beach Gardens FL 33418
4 beds · 5.5 baths · 6,013 ft²
$4,999,995
Est. Payment $26,612/mo
4
Bedrooms
5.5
Bathrooms
6,013
Sq. Ft.
2005
Year Built
6
Garage
1
Stories
29
Days on Market
Description
This Beautiful ''one of a kind'' Casto Custom Built Estate Home is situated on over a 1/2 acre with spectacular views of the Championship Caliber ''East'' Course, Hole 2. 305 Grand Key Terrace is 1 of 12 custom estate homes in Grand Key, a gated community within BallenIsles CC. This single-story open floor plan home is an entertainer's dream! The Large living area has stunning views of the expansive outdoor living space, golf, pool and lush landscaping. The Master Suite has his and her bathrooms and closets, a morning bar, exercise studio, and sitting area. In addition, there are 3 large ensuite bedrooms with walk-in closets, 2 half baths, an Office/Library, Wine Closet, and Bar. The Gourmet Kitchen offers a Thermador 6 burner gas range, Thermador double oven, Sub-zero refrigerator Sub-zero freezer, 2 Sub-zero beverage drawers, 2 Miele dishwashers, prep island, large breakfast bar, pantry, and desk. The kitchen opens to a large breakfast/dining area and family room. This light and bright space flows naturally out to the 700+sqft tropical outdoor lanai with tongue & groove cedar ceiling, summer kitchen with grill, pizza oven, beverage fridge, ice maker and dining and living spaces, a heated salt system pool, spa, fountain, sun deck, summer kitchen with grill, pizza oven, beverage fridge, ice maker and dining and living space. Oversized 4car attached garage and 2car detached garage complete this beautiful estate home. The 2car detached garage can be converted to a guest house. Full house generator. Grand Key Estates is located on an exclusive street, close to the magnificent Grand Clubhouse and East Golf Course. BallenIsles offers its members 1st class amenities including 3 Championship golf courses, State of the Art Tennis facilities with 20 Har-Tru Clay Courts, State of the Art Fitness Center, A Spa and Salon, Pools and 6 Dining options.
Facts
- MLS#
- R10772063
- Subdivision
- BALLENISLES COUNTRY CLUB,Grand Key Estates
- Property Type
- Residential
- Property Sub Type
- Single Family Residence
- Year Built
- 2005
- Lot Size
- 23,958 ft²
- Sq. Ft.
- 6,013 ft²
- Sq. Mt.
- 559 m²
- Price per sq. ft.
- $832/ft²
- Price per sq. mt.
- $8,945/m²
- Stories
- 1
- Garage
- 6 spaces
- Pool
- Private
- Days on Market
- 29 days
- Listed
- Jan 24, 2022
- Last Updated
- Jul 3, 2026
- Price/Lot Sq.Ft.
- $209/ft²
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Market insights for Palm Beach Gardens
Live MLS-derived activity. Forecast is a conservative rule-of-thumb estimate — not a guarantee.
Sellers market
September 2026
38
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).
| 7/3/2026 | Sold | $4,999,995 |
| 1/24/2022 | Listed for sale | $4,999,995 |
History reflects fields present on the live MLS record. Full multi-year history requires the MIAMI ListingHistory resource (not yet enabled).
Location
Estimated Monthly Payment
$30,929/mo
Principal & Interest
$26,612
Property Tax
$4,167
Insurance
$150
HOA
$0
Estimates only. Actual payment depends on credit, lender, insurance carrier, and FL/Miami-Dade specifics. Contact Rangely for a precise quote.
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 within 24 hours
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