Active · MLS# 9276221
4400 Island Ave
Austin, TX, 78731
$6,500,000
5 Beds · 6 Baths · 7,219 SF · $900/SF
Situated within The Island, one of Austin’s most coveted gated communities on Lake Austin, this exceptional waterfront estate offers a rare combination of privacy, acreage, and direct lake access. Set on 1.6 acres along a serene canal, the property includes a spacious main residence and a separate one-bedroom guest house, creating an ideal setting for both everyday living and hosting family and friends. Designed for effortless entertaining, the main home features an open floor plan that connects expansive living spaces with the outdoors. Large windows frame peaceful water views, while the covered patio with a fireplace provides a year-round gathering space overlooking the property’s lush surroundings. Five bedrooms, four full bathrooms, and two half bathrooms offer flexibility and comfort across the thoughtfully designed residence. Outdoor amenities elevate the Lake Austin lifestyle, with a private dock featuring two boat slips for easy access to boating, paddleboarding, and waterfront recreation. Combining the security and prestige of The Island with generous acreage, guest accommodations, and coveted waterfront access, this property presents a rare opportunity to experience one of Austin’s most desirable lakefront settings. Tax and assessed values are estimates for illustration purposes only. All figures should be independently verified.
Property Details
Property type
Single Family Residence
Living area
7,219 sq ft
Bedrooms
5
Bathrooms
4 full · 2 half
Year built
1996
Lot size
1.601 acres
Garage
3 spaces
Subdivision
Island At Mount Bonnell Shores
County
Travis
HOA
$3,000 Annually
Annual taxes
$114,304
Waterfront
Waterfront
Schools
Elementary
Highland Park
Middle
Lamar (Austin ISD)
High
McCallum
Features
Interior
Bookcases · Breakfast Bar · Built-in Features · Ceiling-High · Stone Counters · Crown Molding · Double Vanity · Entrance Foyer · Interior Steps · Kitchen Island · Multiple Dining Areas · Multiple Living Areas
Exterior
Balcony · Boat Lift · Boat Slip · Boat Dock - Private · Private Yard
Flooring
Stone
Heating
Central · Natural Gas
Cooling
Central Air
Views
Hill Country · Lake · River
Listing courtesy of Eric Moreland, Moreland Properties. Information is provided by Unlock MLS (Austin Board of Realtors) and is deemed reliable but not guaranteed. Adrian Salas is not the listing agent for this property unless otherwise stated.
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Listings courtesy of Unlock MLS (Austin Board of Realtors). Information deemed reliable but not guaranteed.
