For sale
$6,250,000
4400 Island Ave
Austin, TX 78731
- 5 beds
- 6 baths
- 7,219 sq ft
- 1.6 acres
Listing courtesy of Moreland Properties · (512) 480-0848 · MLS# 9276221 · Status: Active
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.
Description provided by the listing brokerage.
Facts
- Property type
- Residential · Single Family Residence
- Year built
- 1996
- Lot size
- 1.6 acres
- Living area
- 7,219 sq ft
- Price per sq ft
- $866
- Bathrooms
- 4 full, 2 half
- Garage
- 3 spaces
- HOA
- $3,000 (annually)
- Annual taxes
- $114,304
- County
- Travis
- Neighborhood
- Island At Mount Bonnell Shores
- School district
- Austin ISD
- Schools
- Highland Park · Lamar (Austin ISD) · McCallum
Features
- Roof
- Tile
- View
- Hill Country, Lake, River
- Sewer
- Public Sewer
- Levels
- Two
- Cooling
- Central Air
- Fencing
- None
- Heating
- Central, Natural Gas
- Flooring
- Stone
- Utilities
- Electricity Available, Natural Gas Available, Underground Utilities
- Appliances
- Built-In Oven(s), Dishwasher, Disposal, Gas Cooktop, Double Oven, Refrigerator, Stainless Steel Appliance(s)
- Lot
- Trees-Large (Over 40 Ft), Waterfall
- Water
- Public
- Pool
- None
- Horse amenities
- None
- Windows
- Window Treatments
- Parking
- Attached, Garage
- Exterior
- Balcony, Boat Lift, Boat Slip, Boat Dock - Private, Private Yard
- 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, Pantry, Primary Bedroom on Main, Soaking Tub, Study/Home Office, Walk-In Closet(s), Wet Bar
- Community
- Gated
- Fireplace
- Living Room, Outside
- Foundation
- Slab
- Waterfront
- Canal Front, Lake Front
- Energy efficiency
- None
- Accessibility
- None
- Construction
- Masonry – All Sides
- Patio & porch
- Covered, Patio
Location
Listings courtesy of Unlock MLS as distributed by MLS GRID.
Based on information submitted to the MLS GRID as of November 15, 2026 at 4:09 PM CT. 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, and its use may be subject to an end user license agreement prescribed by the applicable MLS. Some IDX listings have been excluded from this website. Any use or search of this website other than by a consumer looking to purchase or lease real estate is prohibited. Terms of use