4400 Island Ave, Austin, TX 78731
- Beds
- 5
- Baths
- 6
- Sqft
- 8,626
- Garage
- Yes
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Overview
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.
Location
Full feature list
Basic info
- Property type
- House
- Number of stories
- 2
- Number of bedrooms
- 5
- Number of bathrooms
- 6
- Square feet
- 8,626
- Lot size (acres)
- 1.60
- Year built
- 1996
Interior features
- Fireplaces
- 2
- Laundry
- Main Level, Laundry Room
Exterior features
- Water view
- Yes
- Waterfront
- Boat Ramp Lift Access, Canal Front, Lake Front
- Area amenities
- Gated Community
- Dock
- Yes
Garage and parking
- Garage parking spaces
- 3
Utilities
- Heating
- Natural Gas, Central
- Cooling
- Central Air
- Sewer
- Public Sewer
- Water
- Public Water
Estimated monthly costs
- HOA Fees
- $250
Taxes
- Tax Annual Amount (2026)
- $114,303.92
Public schools
Disclaimer: Certain information displayed on this listing has been derived from parties other than Final Offer, LLC. Information provided and their sources have been deemed reliable, but accuracy of information is not guaranteed and therefore should be independently verified.
Sourced from: Unlock MLS (Austin Board of Realtors) MLS®#: 9276221 Last checked: …

Based on information submitted to the MLS GRID as of . 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.