4400 Island Ave
ActiveAustin, TX 78731
Moreland Properties · MLS# 9276221 · Active
$6,500,000
$762/sqft
Beds
5
Baths
6
Sq Ft
8,526
Acres
1.601
Built
1996
Type
Single Family
About This Home
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.
Interior
- Features
- 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, Pantry, Primary Bedroom on Main, Soaking Tub, Study/Home Office, Walk-In Closet(s), Wet Bar
- Appliances
- Built-In Oven(s), Dishwasher, Disposal, Gas Cooktop, Double Oven, Refrigerator, Stainless Steel Appliance(s)
- Flooring
- Stone
- Cooling
- Central Air
- Heating
- Central, Natural Gas
- Fireplaces
- 2
- Levels
- Two
Exterior & Lot
- Exterior
- Balcony, Boat Lift, Boat Slip, Boat Dock - Private, Private Yard
- Lot
- Trees-Large (Over 40 Ft), Waterfall
- Parking
- Attached, Garage
- Garage spaces
- 3
- Covered spaces
- 3
- View
- Hill Country, Lake, River
- Waterfront
- Yes
- Condition
- Resale
Community & Schools
- Community
- Gated
- Elementary
- Highland Park
- Middle
- Lamar (Austin ISD)
- High school
- McCallum
- District
- Austin ISD
- HOA
- Yes
- HOA fee
- 3000
- HOA billing
- Annually
Location
4400 Island Ave · Austin, TX 78731
Keep Looking
More homes like this.
Active$7,500,000
Undisclosed address · Austin
Austin, TX 78746
Greenwood Residential · MLS# 7396978 · Active
Active$6,100,000
12501 Fitzhugh RD
Austin, TX 78736
2 bd · 1 ba · 1,175 sqft
Stanberry REALTORS · MLS# 4538930 · Active
Active$6,495,000
1012 Gaston Ave
Austin, TX 78703
5 bd · 5 ba · 4,647 sqft
Kuper Sotheby's Int'l Realty · MLS# 5892460 · Active

Listings courtesy of Unlock MLS as distributed by MLS GRID.
Based on information submitted to the MLS GRID as of July 26, 2026 at 11:25 AM CDT (date and time MLS GRID Data was obtained). All data is obtained from various sources and may not have been verified by broker or MLS GRID. Supplied Open House Information is subject to change without notice. All information should be independently reviewed and verified for accuracy. Properties may or may not be listed by the office/agent presenting the information.
IDX information is provided exclusively for consumers’ personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. The data is deemed reliable but is not guaranteed by MLS GRID. Properties displayed may be listed or sold by various participants in the MLS. Any use or search of data on this website, other than by a consumer looking to purchase real estate, is prohibited. DMCA notice.
$6,500,000
4400 Island Ave