512-694-5661 RenataDovzak@gmail.com

4400 Island Ave, Austin, TX 78731 (MLS # 9276221)

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PRICE $6,500,000 dsIDX morgage calculator
BEDS 5
BATHS 5
HOME SIZE 8,626 sqft
LOT SIZE 1.60 ac

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.

LAST UPDATED 7/1/2026 TRACT Island At Mount Bonnell Shores
YEAR BUILT 1996 COMMUNITY Island At Mount Bonnell Shores
GARAGE SPACES 3.0 COUNTY Travis
STATUS Active PROPERTY TYPE(S) Single Family

SCHOOLS
Elementary School Highland Park
Jr. High School Lamar (Austin ISD)
High School McCallum


ADDITIONAL DETAILS
AIR Central Air
AIR CONDITIONING Yes
APPLIANCES Dishwasher, Disposal, Double Oven, Gas Cooktop, Oven, Refrigerator, Stainless Steel Appliance(s)
AREA 1B
CONSTRUCTION Stone
EXTERIOR Balcony, Boat Slip, Dock, Private Yard
FIREPLACE Yes
GARAGE Attached Garage, Yes
HEAT Central, Natural Gas
HOA DUES 3000|Annually
INTERIOR Bookcases, Breakfast Bar, Built-in Features, Crown Molding, Double Vanity, Entrance Foyer, Kitchen Island, Master Downstairs, Pantry, Soaking Tub, Stone Counters, Walk-In Closet(s), Wet Bar
LOT 1.601 acre(s)
LOT DESCRIPTION Waterfall, Waterfront
PARKING Attached, Garage
POOL DESCRIPTION None
SEWER Public Sewer
STORIES 2
SUBDIVISION Island At Mount Bonnell Shores
TAXES 114303.92
UTILITIES Electricity Available, Natural Gas Available, Underground Utilities
VIEW Yes
VIEW DESCRIPTION Lake, River
WATER Public
WATER ACCESS Lake Austin
WATERFRONT Yes
WATERFRONT DESCRIPTION Canal Front, Lake Front
MORTGAGE CALCULATOR
   

TOTAL MONTHLY PAYMENT

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Property listed by Eric Moreland, Moreland Properties
Based on information from the Austin Board of REALTORS ® (alternatively, from ACTRIS) for the period through 7/1/26 5:59 PM PDT. Neither the Board nor ACTRIS guarantees or is in any way responsible for its accuracy. All data is provided “AS IS” and with all faults. Data maintained by the Board or ACTRIS may not reflect all real estate activity in the market.

Information being provided is for consumers’ personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing.

This IDX solution is (c) Diverse Solutions 2026.