313 Lagoon Loop is located in Horseshoe Bay, Texas, in Llano County. Llano County sits at the geographic center of Texas and the heart of the Highland Lakes region, known as the Deer Capital of Texas for its exceptional whitetail deer hunting. The city of Llano on the banks of the Llano River anchors a county that blends working ranch land, granite geology, and river recreation.

The Llano River flows through the county, offering exceptional fishing and kayaking over its granite-bottomed course. The Central Mineral Region, a unique geological formation of Precambrian granite and gneiss, creates the distinctive pink and gray granite landscape visible throughout the county. Enchanted Rock State Natural Area sits on the Llano-Gillespie county line.

Horseshoe Bay had an estimated population of 4,534 as of 2023. The 78657 zip code has a median household income of $93,699, a median home value of $470,100, and a median age of 59.8. The average household size is 2.24 people.

Hunting leases, ranching, granite quarrying, river tourism, and retirement living define the Llano County economy. The county attracts buyers seeking hunting ranches, river properties, and large acreage tracts at competitive prices relative to neighboring Gillespie and Burnet counties.