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4400 Island Ave, Austin, TX 78731

Austin
Local realty services provided by:CENTURY 21 North East
Listed by: eric moreland
Office: moreland properties
MLS#:9276221
Source:ACTRIS
4400 Island Ave,Austin, TX 78731
$6,500,000
  • 5 Beds
  • 6 Baths
  • 8,526 sq. ft.
  • Single family
  • Active

Price summary

  • Price:$6,500,000
  • Price per sq. ft.:$762.37
  • Monthly HOA dues:$250

About this home

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...

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Home facts

  • Year built:1996
  • Subdivision & Development:Island At Mount Bonnell Shores
  • Listing ID #:9276221
  • Updated:August 01, 2026 at 03:07 PM

Rooms and interior

  • Bedrooms:5
  • Total bathrooms:6
  • Full bathrooms:4
  • Half bathrooms:2
  • Flooring:Stone
  • Kitchen Description:Built-In Oven(s), Dishwasher, Disposal, Double Oven, Gas Cooktop, Refrigerator, Stainless Steel Appliance(s)
  • Living area:8,526 sq. ft.

Heating and cooling

  • Cooling:Central
  • Heating:Central, Natural Gas
  • Central air:Yes

Structure and exterior

  • Roof:Tile
  • Year built:1996
  • Building area:8,526 sq. ft.
  • Lot area:1.6 Acres
  • Lot Features:Trees-Large (Over 40 Ft)
  • Construction Materials:Masonry All Sides
  • Exterior Features:Balcony, Private Yard
  • Foundation Description:Slab

Schools

  • High school:McCallum
  • Elementary school:Highland Park

Utilities

  • Water:Public
  • Sewer:Public Sewer

Finances and disclosures

  • Price:$6,500,000
  • Price per sq. ft.:$762.37
  • Tax amount:$114,304 (2026)

Features and amenities

  • Appliances:Built-In Oven(s), Dishwasher, Disposal, Double Oven, Gas Cooktop, Refrigerator, Stainless Steel Appliance(s)
  • Amenities:Bookcases, Pantry

Parking

  • Total parking spaces:6
  • Parking description:Attached, Garage
  • Garage:Yes
  • Garage spaces:3
Copyright 2026 UnLock MLS . All rights reserved. Listings courtesy of UnLock MLS as distributed by MLS GRID <Last Updated August 1, 2026. UnLock MLS provides content displayed here (“provided content”) on an “as is” basis and makes no representations or warranties regarding the provided content, including, but not limited to those of non-infringement, timeliness, accuracy, or completeness. Individuals and companies using information presented are responsible for verification and validation of information they utilize and present to their customers and clients. UnLock MLS will not be liable for any damage or loss resulting from use of the provided content or the products available through Portals, IDX, VOW, and/or Syndication. Recipients of this information shall not resell, redistribute, reproduce, modify, or otherwise copy any portion thereof without the expressed written consent of UnLock MLS. ACTRIS Member Broker: Lisa Shaw

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