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6259 S Key Biscayne Ct, Gilbert, AZ 85298
6259 S Key Biscayne Ct, Gilbert, AZ 85298
6259 S Key Biscayne Ct, Gilbert, AZ 85298
6259 S Key Biscayne Ct, Gilbert, AZ 85298
6259 S Key Biscayne Ct, Gilbert, AZ 85298
6259 S Key Biscayne Ct, Gilbert, AZ 85298
6259 S Key Biscayne Ct, Gilbert, AZ 85298

6259 S Key Biscayne Ct Gilbert, AZ 85298

$4,350,000

ACTIVE
Beds
5
Baths
6
Sqft
5,324
Acres
0.71
Year
2026
Days on Site
1 Hour
Property Type
Residential
Sub Type
Single Family Residence
Per Square Foot
$817
Date Listed
Sep 27, 2026

Description of 6259 S Key Biscayne Ct, Gilbert, AZ 85298

Listing details for 6259 S Key Biscayne Ct, Gilbert, AZ 85298 : High-end custom home w/ full casita, situated on just under 3/4 of an acre in the exclusive gated community of HHB Heights in Gilbert. The exterior features a striking brick facade, expansive windows, 12'6'' tall entry door, five-car garage w/ polyaspartic floor, paver driveway, & low-maintenance artificial turf. Inside, 9.5''x87'' wood flooring & 24''x48'' porcelain tile complement custom stained rift-cut white oak cabinetry & thoughtfully designed built-ins throughout. Solid core white oak doors coincide w/ all cabinetry. The kitchen features a 156'' marble waterfall island w/ white oak base, marble backsplash, built in shelving, and paneled Sub-Zero, Wolf, and Cove appliances (dual dishwashers at island). The hidden pantry door leads to a walk-in pantry with built in shelving, snack drawers, sink, Scotsman ice maker, paneled Monogram wine fridge & freezer. The dining features a reeded T&G LED tray ceiling, built in buffet nook w/ quartzite backsplash, paneled wine & beverage fridge, & integrated LED lighting at the reeded glass upper cabinet doors, and shelving. Great room features a 12' tall multi slider, LED tray ceiling, & 6' linear masonry fireplace w/ custom built-ins, floating marble hearth, and tile accent wall. Primary suite w/ T&G LED tray ceiling, dual custom marble sinks & apron, stone composite tub, & dual walk-in shower w/ floating marble benches. Additional laundry at master closet with LED lit shoe shelves and bag storage. Bonus room w/ 10' tall multi slider, & LED lit tray ceiling for potential office/game room. Split floor plan w/ en suite baths at all bedrooms. Walk-in closets w/ full custom built-ins at all bedrooms with hampers & drawers. Private backyard, great for entertaining with 1,136 sq ft covered patio w/ 24x48 porcelain pavers, 6' masonry fireplace, built in BBQ w/ beverage fridge, 250+ ficus column trees, heated pool, baja, perimeter overflow spa, 5 LED pool lights, & 3 LED bubblers, water feature wall, and in-floor cleaning system. Fully permitted 1 bed casita w/ living room, full kitchen, laundry, bath, & walk-in closet. Tile roof with upgraded synthetic underlayment and standing seam metal accents. Metal fascia and soffits. Synthetic stucco and brick veneer accents above all windows and at exterior fireplace to tie in brick facade on the front of the home. Garage is fully insulated with steel backed insulated garage doors with insulated glass and prewired for mini split. Dual Navien tankless gas water heater. Upgraded 10" of spray foam above living areas for R38 and 5.5" of spray foam at exterior walls for R21.
Listing Updated : 10-01-2026 at 2:46 PM MST
Listing Provided By : Matthew E Juris, 602-573-7414, Realty ONE Group
Source :

ARMLS, MLS#: 7085901

All information should be verified by the recipient and none is guaranteed as accurate by ARMLS.

For more information on this listing contact us at 480-233-6433

Property History

DateEventPrice
9/27/2026
Listed for sale
$4,250,000
$798/sqft
Source:ARMLS #7085901
Home Worth Check

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For more information on this listing contact us at 480-233-6433