4400 Island Avenue
Austin, TX 78731
5
Bed
6
Bath
8,626Sqft
1.60Acres(Lot)
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
Property Details
Map
Map
What's Nearby
Nearby Areas
Features
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Bedroom Information
Total beds: 5Bathroom Information
Total Baths: 6 Full Baths: 4 Half Baths: 2Roofing Information
TileFlooring Information
Stone -
Interior Features
WetBar, BreakfastBar, Bookcases, BuiltInFeatures, CrownMolding, SeparateFormalDiningRoom, DoubleVanity, EntranceFoyer, FrenchDoorsAtriumDoors, HighCeilings, InteriorSteps, KitchenIsland, MultipleLivingAreas, MultipleDiningAreas, MainLevelPrimary, Pantry, StoneCounters, SoakingTub, Study, WalkInClosetsRoof: TileAppliances: BuiltInOven, DoubleOven, Dishwasher, GasCooktop, Disposal, Refrigerator, StainlessSteelAppliancesLaundry Features: MainLevel, LaundryRoom -
Heating & Cooling
Heating: Central, NaturalGas Has Cooling: Yes Water front: 1
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Building Information
Year Built: 1996Construction Materials: MasonryStories: 2Pool Features: NonePrivate Pool: NoWater front Features: CanalFront,LakeFront,BoatRampLiftAccessView: Hills, Lake, RiverAssociation Fee Frequency: Annually -
Exterior Features
Exterior Features: BoatLift, Balcony, BoatSlip, Dock, PrivateYard
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Lot Information
Main Square Feet: 1.601 Lot Size Acres: 1.601 Lot Description: TreesLargeSize,WaterfallProperty Information
Subdivision: Island At Mount Bonnell Shores Source Property Type: Residential Property SubType: Single Family Residence Direction Faces: East Levels: Two Property Age: 30
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Listing Price Information
Listing Price: $6500000Cash, Conventional
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Tax Information
Parcel Number: 01290705100000 Tax Lot: 1-A Tax Block: B Tax Year: 2026 Annual Tax: $114303.92 Tax Legal Desc: LOT 1-A BLK B ISLAND AT MT BONNELL SHORES THE AMENDED PLAT OF LOTS 1&2
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Virtual Tour
Parking Information
Attached, GarageGarage Information
Garage Space: 3Homeowners Association Information
Has Association: YesIncluded Fees: CommonAreaMaintenanceHOA: $3,000.00Community Features: Gated
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School Information
Elementary School: Highland Park Junior High School: Lamar (Austin ISD) Senior High School: McCallum -
Utility Information
ElectricityAvailable, NaturalGasAvailable, UndergroundUtilities -
Location Information
Direction: Balcones to Mt Bonnell to Island at Mount Bonnell neighborhood gate. Home is on Island Avenue near the exit gate. WaterSource: Public
How much is this property worth?
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Nearby Home Value
| Address | Estimate | Bed | Bath | Sq. Ft | Lot Size |
|---|---|---|---|---|---|
| 4927 Strass Drive, Austin, TX, 78731 | $799,900 | 3 | 2 | 1,776 | 1,776 SqFt |
| 2621 W 49th Street, Austin, TX, 78731 | $1,075,000 | 3 | 2 | 2,090 | 2,090 SqFt |
| 2800 W 50th Street, Austin, TX, 78731 | $615,000 | 4 | 2 | 1,615 | 1,615 SqFt |
| 4103 Ridgelea Drive, Austin, TX, 78731 | $2,350,000 | 4 | 4 | 2,786 | 2,786 SqFt |
| 4506 Chiappero Trail, Austin, TX, 78731 | $2,250,000 | 5 | 5 | 3,052 | 3,052 SqFt |
| 4508 Chiappero Trail, Austin, TX, 78731 | $1,075,000 | 3 | 3 | 1,880 | 1,880 SqFt |
| 2811 W Fresco Drive, Austin, TX, 78731 | $1,075,000 | 4 | 3 | 2,109 | 2,109 SqFt |
| 4907 W Market Drive, Austin, TX, 78731 | $740,000 | 3 | 1 | 1,278 | 1,278 SqFt |
| 4504 Chiappero Trail, Austin, TX, 78731 | $2,200,000 | 4 | 4 | 2,938 | 2,938 SqFt |
| 4509 Finley Drive, Austin, TX, 78731 | $2,199,000 | 4 | 3 | 3,137 | 3,137 SqFt |
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ByOwner last updated this listing 07/03/2026 @ 06:38
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