Overview
Description
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.
Address
- Street4400 Island
- CityAustin
- SubdivisionIsland At Mount Bonnell Shores
- CountyTravis
- StateTX
- Zip78731
- MLS #9276221
Interior
- AppliancesBuilt-In Oven,Double Oven,Dishwasher,Gas Cooktop,Disposal,Refrigerator,Stainless Steel Appliance(s)
- Bathrooms Full4
- Bathrooms Half2
- Bathrooms Total Integer6
- Bedrooms Total5
- CoolingYes
- Fireplace FeaturesLiving Room,Outside
- Fireplaces Total2
- FlooringStone
- HeatingCentral,Natural Gas
- Interior FeaturesWet Bar,Breakfast Bar,Bookcases,Built-in Features,Crown Molding,Separate/Formal Dining Room,Double Vanity,Entrance Foyer,French Door(s)/Atrium Door(s),High Ceilings,Interior Steps,Kitchen Island,Multiple Living Areas,Multiple Dining Areas,Main Level Primary,Pantry,Stone Counters,Soaking Tub,Study,Walk-In Closet(s)
- Laundry FeaturesMain Level,Laundry Room
- LevelsTwo
- Living Area7,219
- Living Area SourcePublic Records
- Main Level Bedrooms1
Exterior
- Covered Spaces3
- Direction FacesEast
- Exterior FeaturesBoat Lift,Balcony,Boat Slip,Dock,Private Yard
- Garage Spaces3
- Lot FeaturesTrees Large Size,Waterfall
- Lot Size Acres2
- Lot Size Area2
- Parking FeaturesAttached,Garage
- RoofTile
- ViewHills,Lake,River
- ViewYes
- Water Body NameLake Austin
- Waterfront FeaturesCanal Front,Lake Front,Boat Ramp/Lift Access
Structure
- Construction MaterialsMasonry
- Foundation DetailsSlab
- Property ConditionResale
- Stories2
- Year Built1996
- Year Built SourcePublic Records
Utilities
- Distance To Water CommentsLess Than 1 Mile
- SewerPublic Sewer
- UtilitiesElectricity Available,Natural Gas Available,Underground Utilities
- Water SourcePublic
Financial
- Association Fee3,000
- Association Fee FrequencyAnnually
- Association Fee IncludesCommon Area Maintenance
- Association NameIsland at Mt. Bonnell
- AssociationYes
- Parcel Number01290705100000
- Tax Annual Amount114,304
- Tax Assessed Value5,585,378
- Tax BlockB
- Tax Legal DescriptionLOT 1-A BLK B ISLAND AT MT BONNELL SHORES THE AMENDED PLAT OF LOTS 1&2
- Tax Lot1-A
- Tax Year2026
Schools
- Elementary SchoolHighland Park
- Elementary School DistrictAustin ISD
- High SchoolMcCallum
- High School DistrictAustin ISD
- Middle Or Junior SchoolLamar (Austin ISD)
- Middle Or Junior School DistrictAustin ISD
Location
- Community FeaturesGated
- CountryUnited States
- County Or ParishTravis
- DirectionsBalcones to Mt Bonnell to Island at Mount Bonnell neighborhood gate. Home is on Island Avenue near the exit gate.
- Latitude30
- Longitude-98
- MLS Area Major1B
- Postal Code78731
- Street NameIsland
- Street Number4400
- Street Number Numeric4,400
- Street SuffixAvenue
- Subdivision NameIsland At Mount Bonnell Shores
- Unparsed Address4400 Island Ave
Listing Info
- Attribution Contact(512) 480-0848
- Back on Market DateSeptember 18, 2026
- Contract Status Change DateJuly 1, 2026
- Cumulative Days On Market82
- Days On Market82
- Documents AvailableSurvey
- List AORAustin Board of Realtors
- List Agent Direct Phone(512) 480-0844
- List Agent First NameEric
- List Agent Full NameEric Moreland
- List Agent Key13984619
- List Agent Last NameMoreland
- List Agent Middle NameW.
- List Agent MLS ID449345
- List Agent National Association ID785004345
- List Agent URLhttp://www.ericmoreland.com
- List Office Key982895
- List Office MLS ID017J
- List Office NameMoreland Properties
- List Office Phone(512) 480-0848
- List Office URLhttp://www.moreland.com
- List Price6,250,000
- Listing AgreementExclusive Right To Sell
- Listing Contract DateJuly 1, 2026
- Listing ID9276221
- Listing Key1176306353
- Listing ServiceFull Service
- Listing TermsCash,Conventional
- Major Change TimestampSeptember 28, 2026
- MLS StatusActive
- Modification TimestampSeptember 28, 2026
- Occupant TypeVacant
- On Market DateJuly 1, 2026
- Original Entry TimestampJuly 1, 2026
- Originating System Key235958746
- Originating System NameACTRIS
- Ownership TypeFee Simple
- Photos Change TimestampSeptember 3, 2026
- Photos Count40
- PossessionClosing & Funding,Close Of Escrow
- Price Change TimestampSeptember 28, 2026
- Showing Contact NameEric Moreland
- Showing Contact Phone(512) 480-0844
- Showing Contact TypeAgent
- Source System Key1176306353
- Special Listing ConditionsStandard
- Status Change TimestampSeptember 18, 2026
- Syndicate ToApartments.com,AustinHomeSearch.com,HAR.com,ListHub,Realtor.com
- Syndication RemarksSituated 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.
- Universal Property IDUS-48453-N-01290705100000-R-N
Features & Amenities
- Attached
- Balcony
- Boat Lift
- Boat Slip
- Bookcases
- Breakfast Bar
- Built-in Features
- Built-In Oven
- Central
- Crown Molding
- Dishwasher
- Disposal
- Dock
- Double Oven
- Double Vanity
- Entrance Foyer
- French Door(s)/Atrium Door(s)
- Garage
- Gas Cooktop
- Gated
- Has Waterfront
- High Ceilings
- Hills
- Interior Steps
- Kitchen Island
- Lake
- Laundry Room
- Main Level
- Main Level Primary
- Multiple Dining Areas
- Multiple Living Areas
- Natural Gas
- Pantry
- Private Yard
- Refrigerator
- River
- Separate/Formal Dining Room
- Soaking Tub
- Stainless Steel Appliance(s)
- Stone
- Stone Counters
- Study
- Trees Large Size
- Walk-In Closet(s)
- Waterfall
- Wet Bar
Mortgage Calculator
- Principal & interest
- Property tax
- Home insurance
- PMI
- HOA dues
Estimates only and not a loan offer. Taxes, insurance and rates vary — confirm with a lender.
Meet your agent
Eric Moreland
Listing Agent · Moreland Properties
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