| Beds | 5 |
|---|---|
| Baths | 6 |
| Sqft | 7,219 |
| Acres | 1.60 |
| Property Type | Home |
| Heating | Central, Natural Gas |
| Parking | Attached, Garage |
| Year Built | 1996 |
| Stories | 2 |
| Cooling | Central Air |
| Days on Market | 73 |
| Garages | 3.00 |
About 4400 Island Ave
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.
Location
| Legal Description | LOT 1-A BLK B ISLAND AT MT BONNELL SHORES THE AMENDED PLAT OF LOTS 1&2 |
|---|---|
| Address | 4400 Island Ave |
| County | Travis |
| City | Austin |
| Zip Code | 78731 |
| Subdivision | Island At Mount Bonnell Shores |
| School District | Austin ISD |
| MLS Area | 1B |
Size and Restrictions
| Acres | 1.60 |
|---|---|
| Lot Description | Trees Large Size, Waterfall |
| Horses Allowed | No |
| $/Acre | $4,059,963 |
Improvements
| Parking | Attached, Garage |
|---|---|
| Garage Spaces | 3.00 |
| Fence | None |
| Exterior Features | Boat Lift, Balcony, Boat Slip, Dock, Private Yard |
Features
| View | Hills, Lake, River |
|---|---|
| Water Access | Canal Front, Lake Front, Boat Ramp/Lift Access |
| Waterfront | Lake Austin |
Utilities
| Water | Public |
|---|---|
| Utilities | Electricity Available, Natural Gas Available, Underground Utilities |
Amenities
| Area Amenities | Gated |
|---|
Beds and Baths
| Bedrooms | 5 |
|---|---|
| Main Level Beds | 1 |
| Bathrooms | 4 full / 2 half |
| Primary on Main | Yes |
Other Rooms
| Kitchen Appliances | Built-In Oven, Double Oven, Dishwasher, Gas Cooktop, Disposal, Refrigerator, Stainless Steel Appliance(s) |
|---|---|
| Laundry Facilities | Main Level, Laundry Room |
Heating and Cooling
| Heating | Central, Natural Gas |
|---|---|
| Air Conditioning | Central Air |
| Fireplaces | Living Room, Outside |
Interior Features
| Flooring | Stone |
|---|---|
| Features | Wet 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) |
| Disability | None |
Building Information
| Square Feet | 7,219 |
|---|---|
| Year Built | 1996 |
| # of Stories | 2 |
| Building Faces | East |
| Construction | Masonry |
| Foundation | Slab |
| Roof | Tile |
Property Features
| Exterior Features | Boat Lift, Balcony, Boat Slip, Dock, Private Yard |
|---|
Garage and Parking
| Garage | Yes - 3 Spaces |
|---|---|
| Parking | Attached, Garage |
Financial
| $/Sq Ft | $900 |
|---|---|
| $/Acre | $4,059,963 |
| Special Conditions | DevelopmentRestriction,DeedRestrictions,BuildingRestrictions |
| Documents Available | Survey |
| Disclosures | None |
Property Taxes
| Appraisal District | Travis |
|---|---|
| Estimated Taxes | $100,000 |
| Tax ID | 01290705100000 |
| Tax Year | 2026 |
Homeowner Association
| Has HOA | Yes |
|---|---|
| HOA Name | Island at Mt. Bonnell |
| HOA Fee | $3,000 - Annually |
Listing Details
| Office | Moreland Properties |
|---|---|
| Contact Info | (512) 480-0848 |
