Here are some suggestions for hotels nearest to the venue. Please feel free to stay where ever you like. The area has many available options on Airbnb as well.
Hotel
Best Western Plus Blanco Luxury Inn & Suites
2218 U.S. 281 Blanco, TX 78606 (830) 833-5697
Hotel
Hampton Inn Bulverde Texas Hill Country
499 Singing Oaks Spring Branch, TX 78070 (830) 438-5007