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.
Active
$6,500,000
4400 Island Ave, Austin, TX 78731
5beds
7,219sqft
Single Family Residence
Built in 1996
1.6 Acres Lot
$-- Zestimate®
$900/sqft
$250/mo HOA
What's special
Waterfront estateGenerous acreageGuest accommodationsSerene canalOpen floor planFive bedroomsYear-round gathering space
- 61 days
- 1,320
- 57
Zillow last checked:
Listing updated:
Listed by:
Eric Moreland (512) 480-0848,
Moreland Properties (512) 480-0848
Source: Unlock MLS,MLS#: 9276221
Facts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 5
- Bathrooms: 6
- Full bathrooms: 4
- 1/2 bathrooms: 2
- Main level bedrooms: 1
Heating
- Central, Natural Gas
Cooling
- Central Air
Appliances
- Included: Built-In Oven(s), Dishwasher, Disposal, Gas Cooktop, Double Oven, Refrigerator, Stainless Steel Appliance(s)
Features
- Bookcases, Breakfast Bar, Built-in Features, High Ceilings, Stone Counters, Crown Molding, Double Vanity, Entrance Foyer, French Doors, 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
- Flooring: Stone
- Windows: Window Treatments
- Number of fireplaces: 2
- Fireplace features: Living Room, Outside
Interior area
- Total interior livable area: 7,219 sqft
Property
Parking
- Total spaces: 3
- Parking features: Attached, Garage
- Attached garage spaces: 3
Accessibility
- Accessibility features: None
Features
- Levels: Two
- Stories: 2
- Patio & porch: Covered, Patio
- Exterior features: Balcony, Boat Lift, Boat Slip, Boat Dock - Private, Private Yard
- Pool features: None
- Spa features: None
- Fencing: None
- Has view: Yes
- View description: Hill Country, Lake, River
- Has water view: Yes
- Water view: Lake,River
- Waterfront features: Canal Front, Lake Front
- Body of water: Lake Austin
Lot
- Size: 1.6 Acres
- Features: Trees-Large (Over 40 Ft), Waterfall
Details
- Additional structures: None
- Parcel number: 01290705100000
- Special conditions: Standard
Construction
Type & style
- Home type: SingleFamily
- Property subtype: Single Family Residence
Materials
- Foundation: Slab
- Roof: Tile
Condition
- Resale
- New construction: No
- Year built: 1996
Utilities & green energy
- Sewer: Public Sewer
- Water: Public
- Utilities for property: Electricity Available, Natural Gas Available, Underground Utilities
Community & HOA
Community
- Features: Gated
- Subdivision: Island At Mount Bonnell Shores
HOA
- Has HOA: Yes
- Services included: Common Area Maintenance
- HOA fee: $3,000 annually
- HOA name: Island at Mt. Bonnell
Location
- Region: Austin
Financial & listing details
- Price per square foot: $900/sqft
- Tax assessed value: $5,585,378
- Annual tax amount: $114,303
- Date on market: 7/1/2026
- Listing terms: Cash,Conventional
- Electric utility on property: Yes
Estimated market value
Not available
Estimated sales range
Not available
Not available
Price history
| Date | Event | Price |
|---|---|---|
| 7/1/2026 | Listed for sale | $6,500,000+44.4%$900/sqft |
Source:  Unlock MLS #9276221 Report a problem | ||
| 12/26/2022 | Listing removed | -- |
Source: Zillow Rentals Report a problem | ||
| 12/5/2022 | Listed for rent | $10,000$1/sqft |
Source: Zillow Rental Manager Report a problem | ||
| 12/28/2020 | Sold | -- |
Source: Agent Provided Report a problem | ||
| 12/3/2020 | Pending sale | $4,500,000$623/sqft |
Source: Kuper Sotheby's International Realty #9389903 Report a problem | ||
| 8/15/2020 | Price change | $4,500,000-9.8%$623/sqft |
Source: Kuper Sotheby's International Realty #9389903 Report a problem | ||
| 3/25/2020 | Listed for sale | $4,990,000-0.1%$691/sqft |
Source: Kuper Sotheby's International Realty #9389903 Report a problem | ||
| 10/11/2019 | Listing removed | $4,995,000$692/sqft |
Source: Kuper Sotheby's Itl Rlty #6090359 Report a problem | ||
| 7/15/2019 | Pending sale | $4,995,000$692/sqft |
Source: Kuper Sotheby's International Realty #6090359 Report a problem | ||
| 6/12/2019 | Price change | $4,995,000-11.6%$692/sqft |
Source: Kuper Sotheby's International Realty #6090359 Report a problem | ||
| 10/18/2018 | Price change | $5,650,000-10.2%$783/sqft |
Source: Kuper Sotheby's International Realty #6090359 Report a problem | ||
| 8/31/2018 | Listed for sale | $6,295,000$872/sqft |
Source: Kuper Sotheby's International Realty #6090359 Report a problem | ||
Public tax history
| Year | Property taxes | Tax assessment |
|---|---|---|
| 2025 | $114,304 -4.6% | $5,585,378 -7.6% |
| 2024 | $119,755 +44.5% | $6,042,676 +32% |
| 2023 | $82,853 -17.5% | $4,579,397 -20.2% |
| 2022 | $100,487 | $5,735,795 +25.3% |
| 2021 | -- | $4,575,831 +22.6% |
| 2020 | $53,736 +3.1% | $3,733,400 -4.8% |
| 2019 | $52,140 +7.8% | $3,923,100 +9.6% |
| 2018 | $48,367 | $3,579,370 +0.1% |
| 2017 | $48,367 +3.6% | $3,575,921 +6.2% |
| 2016 | $46,691 | $3,367,430 +10% |
| 2015 | $46,691 | $3,061,300 +10% |
| 2014 | $46,691 | $2,783,000 +10% |
| 2013 | -- | $2,530,000 +10% |
| 2012 | -- | $2,300,000 |
| 2011 | -- | $2,300,000 -20.5% |
| 2010 | -- | $2,892,133 +10% |
| 2009 | -- | $2,629,212 +10% |
| 2008 | -- | $2,390,193 +10% |
| 2007 | -- | $2,172,903 +10% |
| 2006 | -- | $1,975,366 -5.4% |
| 2002 | $43,488 | $2,088,801 |
Find assessor info on the county website
Monthly payment
Est. payment
Payment breakdown
Explore the cost of this home by adjusting the details. Changes won't be saved.Climate risks
Neighborhood: Highland Park
Nearby schools
Schools provided by the listing agent
- Elementary: Highland Park
- Middle: Lamar (Austin ISD)
- High: McCallum
- District: Austin ISD
Source: Unlock MLS. This data may not be complete. We recommend contacting the local school district to confirm school assignments for this home.
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