Lake Travis vs. Lake LBJ: Which Is Right for You?

Same River System, Opposite Water-Level Philosophy

Lake Travis and Lake LBJ both sit within LCRA's Highland Lakes chain on the Colorado River, but they serve fundamentally different purposes in that system. Lake Travis is the chain's primary flood-control and water-supply reservoir, with a historic range running from roughly 614 feet to 710 feet above sea level — a swing of nearly 100 feet that has genuinely happened within a single owner's lifetime. Lake LBJ, by contrast, is a "pass-through" lake managed to stay near-constant at 825 feet, with LCRA passing incoming water through rather than storing it the way Travis does. A buyer choosing between these two lakes is really choosing between accepting dramatic water-level variability or largely avoiding it.

Size and Character

Lake Travis covers roughly 18,930 acres at full pool with about 270 miles of shoreline, making it nearly three times the size of Lake LBJ's 6,534 acres and 60 miles of shoreline. Travis's scale supports a genuine party-cove culture, a low-density striped bass fishery, and enough open water to feel expansive even on a busy weekend; LBJ's smaller, more intimate footprint produces a quieter, more consistently residential feel, with the lake's stable level letting docks and waterfront infrastructure be built with confidence about where the water will actually sit.

Dock Access: Predictable vs. Variable

This is the most practical, day-to-day difference between the two lakes. On Lake LBJ, a dock built at the water's edge stays functional nearly year-round because the lake simply does not move much — LCRA's occasional maintenance drawdowns aside. On Lake Travis, the same dock can be stranded well above the waterline during an extended drought, or need to be rebuilt entirely to reach water that has receded dozens of feet. Both lakes require verifying submerged land ownership and LCRA dock permitting before building, but Travis buyers face a genuinely more complex, water-level-dependent version of that process.

Property Tax: Different Counties, Different Math

Lake Travis sits primarily in Travis County, where Lakeway's stacked effective rate runs roughly 2.3% to 2.5% once city, ISD, county, and any MUD layers are combined — among the higher rates covered anywhere on this site. Lake LBJ sits across Burnet and Llano counties, where Llano County's effective rate runs closer to 0.75% and Burnet County closer to 1.04%. A buyer prioritizing the lowest carrying cost between these two otherwise-similar Highland Lakes should take this gap seriously; it is larger than the price difference between comparable homes on each lake would suggest on its own.

Proximity to Austin

Lake Travis sits close enough to downtown Austin that a genuine daily commute is realistic from several of its communities, particularly Lakeway — a real advantage for buyers who need the city's job market, healthcare, and cultural scene close at hand. Lake LBJ sits roughly an hour further west, trading that commute convenience for a more rural, more Hill-Country-oriented lifestyle built around Marble Falls, Kingsland, and Horseshoe Bay rather than Austin's metro sprawl.

Fishing: Different Lakes, Different Strengths

Lake LBJ is widely regarded as home to some of the best crappie fishing in the entire Highland Lakes chain, along with a genuine spring white bass run up the Llano River — a fishery built around its stable, consistent water conditions. Lake Travis offers broader species diversity, including a real if low-density striped bass fishery near Mansfield Dam and Guadalupe bass in its Hill Country tributaries, but its largemouth bass in particular tend to run smaller than on some other Texas reservoirs. An angler prioritizing crappie specifically should lean toward LBJ; a buyer wanting variety across several species, including a shot at a trophy striper, gets more of that on Travis.

Real Estate Market and Water Quality Considerations

Both lakes carry their own water-quality management issues worth understanding before buying. Lake LBJ has dealt with zebra mussels and periodic hydrilla growth that has occasionally prompted temporary lake closures for treatment — a genuine, if manageable, ongoing consideration for waterfront owners there. Lake Travis's water-quality concerns tend to center more on the aftermath of major flood events, when debris and bacteria levels can temporarily make the water unsafe, as happened after the July 2025 flood. Neither issue should be a dealbreaker on its own, but both are worth asking a local agent about directly rather than assuming either lake is entirely free of water-quality management concerns.

Which Buyer Fits Which Lake

Choose Lake Travis if you want scale, a genuine Austin commute option, and are willing to accept real water-level swings and a higher property tax bill in exchange for that proximity and prestige. Choose Lake LBJ if predictable, stable water at your dock matters more to you than Austin access, and you want meaningfully lower property tax in a smaller, quieter Hill Country lake community. Both are legitimate, well-regarded Highland Lakes choices — the honest question is whether you value Travis's scale and city access more than LBJ's water-level stability and lower cost, since you genuinely cannot have both on the same lake.