Suggest an update Name* Categories* State* Locality* ZIP* Street address* Phone* Website* Company description* Visit the hotel Mystic Valley Inn, which is in the state South Dakota (SD), city Custer. Our hotel can be found at 25085 Spring Pl, Custer, SD 57730-8358. Great deals on best and cheap hotels. Your comments* (not for publishing) * — Required information Mystic Valley Inn/25085 Spring Pl - Custer - South Dakota (SD) ← View details 25085 Spring Pl, Custer, SD 57730-8358, Custer, South Dakota (SD) Not available