Austin, TX 78734 (Travis County)
About this property
Premier Lake Travis Waterfront Estate | 3+ Acres | 400+ Ft Main Basin Shoreline Positioned on over three private acres with more than 400 feet of shoreline along Lake Travis’ main sailing basin, this gated estate represents a rare combination of scale, usable waterfront, and long-term value—an increasingly scarce offering on the lake. Expansive windows frame panoramic lake and Hill Country views, filling the home with natural light. Open-concept living and dining spaces extend seamlessly to covered terraces, creating a true indoor-outdoor lifestyle designed for both everyday living and elevated entertaining. Soaring ceilings, a stone fireplace, and refined finishes anchor the main living areas. The chef’s kitchen is equipped with Thermador appliances, custom cabinetry, and a large central island, opening directly to the living spaces and outdoor areas. Two main-level primary suites offer private retreats with lake views and spa-inspired baths. An elevator connects to a lower level featuring guest quarters with private entry, a fitness space, and a five-car garage—ideal for extended stays or multi-generational living. The grounds offer a true Lake Travis compound experience, with mature Live Oaks, rolling lawns, resort-style pool and spa, sand volleyball court, multiple firepits, and a private boat dock with deep-water access. Located in Travis Landing, residents also enjoy access to a 35+ acre waterfront park with private boat ramp. A rare opportunity to own a premier waterfront estate combining privacy, scale, and lifestyle in one of Lake Travis’ most desirable settings.
Property details
Location
About the Area
15210 Rainbow One St is located in Austin, Texas, in Travis County. Travis County is home to Austin, the capital of Texas and one of the fastest-growing major cities in the United States. Beyond the urban core, Travis County still contains significant ranch and acreage properties in its western reaches, where the Hill Country meets the city and land values reflect both agricultural heritage and proximity to one of America's most dynamic economies.
The Colorado River flows through Travis County, impounded into Lake Travis and Lake Austin, key recreation anchors for the region. The Balcones Escarpment marks the transition from the limestone Hill Country in the west to the Blackland Prairie in the east. Barton Creek and its tributaries carve spring-fed swimming holes and nature preserves within the urban fabric.
Austin had an estimated population of 967,862 as of 2023. The 78734 zip code has a median household income of $129,116, a median home value of $626,100, and a median age of 50.8. The average household size is 2.24 people.
Austin's economy is anchored by the University of Texas, state government, and a massive technology sector that has attracted Apple, Tesla, Oracle, Dell, and hundreds of startups. Travis County acreage properties command premium prices reflecting proximity to the Austin job market, major airports, and world-class amenities.
Demographic data sourced from the U.S. Census Bureau, American Community Survey 5-Year Estimates (2023).
Listing information © 2026 Unlock MLS (ACTRIS). All data provided AS IS. Information is deemed reliable but not guaranteed. Listing courtesy of Compass RE Texas, LLC.