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$6,500,000
12 Days On Site

4400 Island Ave
Austin, TX 78731

For Sale|Single Family Residence|Active
5
Beds
6
Total Baths
4
Full Baths
2
Partial Baths
8,626
SqFt
$754
/SqFt
1996
Built
Subdivision:
Island At Mount Bonnell Shores
County:
Travis

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512.710.6957
4400 Island Ave4400 Island Ave4400 Island Ave4400 Island Ave
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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.

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Listing Snapshot
Price 
$6,500,000
Days On Site 
12 Days
Bedrooms 
5
Inside Area (SqFt) 
8,626 sqft
Total Baths 
6
Full Baths 
4
Partial Baths 
2
Lot Size 
1.601 Acres
Year Built 
1996
MLS® Number 
9276221
Status 
Active
Property Tax 
$114,303.92
HOA/Condo/Coop Fees 
$250 monthly
Sq Ft Source 
Public Records
Friends & Family
Recent Activity
2 weeks agoListing first seen on site
2 weeks agoListing updated with changes from the MLS®
General Features
Acres 
1.601
Attached Garage 
Yes
Direction Faces 
East
Disclosures 
None
Foundation 
Slab
Garage 
Yes
Garage Spaces 
3
Levels 
Two
Parking 
AttachedGarage
Parking Spaces 
6
Property Sub Type 
Single Family Residence
Security 
Smoke Detector(s)
Sewer 
Public Sewer
Special Circumstances 
Standard
Utilities 
Electricity AvailableNatural Gas AvailableUnderground Utilities
Water Source 
Public
Interior Features
Appliances 
OvenDishwasherDisposalGas CooktopDouble OvenRefrigeratorStainless Steel Appliance(s)
Cooling 
Central Air
Fireplace 
Yes
Fireplace Features 
Living RoomOutside
Fireplaces 
2
Flooring 
Stone
Heating 
CentralNatural Gas
Interior 
BookcasesBreakfast BarBuilt-in FeaturesStone CountersCrown MoldingDouble VanityEntrance FoyerKitchen IslandPantrySoaking TubWalk-In Closet(s)Wet BarMaster Downstairs
Laundry Features 
Laundry RoomMain Level
Main Level Bedrooms 
1
Window Features 
Window Treatments
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Exterior Features
Construction Details 
Stone
Exterior 
DockBalconyBoat SlipPrivate Yard
Fencing 
None
Lot Features 
WaterfallWaterfront
Other Structures 
None
Patio And Porch 
CoveredPatio
Pool Features 
None
Roof 
Tile
Spa Features 
None
View 
LakeRiver
Waterfront 
Yes
Waterfront Features 
Canal FrontLake Front
Waterview 
LakeRiver
Windows/Doors 
Window Treatments
Community Features
Association Dues 
3000
Community Features 
Gated
Financing Terms Available 
CashConventional
HOA Fee Frequency 
Annually
Horse Allowed 
Yes
Horse Property 
None
MLS Area 
1B
School District 
Austin ISD
Schools
School District
Austin ISD
Elementary School
Highland Park
Middle School
Lamar (Austin ISD)
High School
McCallum
Listing courtesy of Moreland Properties [email protected]


All information provided is deemed reliable but is not guaranteed and should be independently verified. Listings courtesy of ACTRIS as distributed by MLS GRID. The Austin Board of REALTORS®, ACTRIS and their affiliates provide the MLS and all content therein "AS IS" and without any warranty, express or implied.
Last checked - 2026-07-14 05:16 AM CDT

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Neighborhood & Commute
Source: Walkscore
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