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.