Buttercup Beach is a family-friendly recreational area nestled on the shores of Holloway Reservoir in Columbiaville, Michigan. Spanning approximately 100 feet of soft golden sand, it offers a relaxed atmosphere with free admission and operates seasonally from Memorial Day weekend through Labor Day, daily from 8 AM to 8 PM[3][5]. The beach is part of the larger Holloway Reservoir Regional Park, which includes diverse recreational opportunities such as hiking trails, snowmobile areas, and waterfowl hunting zones[3]. Visitors appreciate its cleanliness, shaded picnic areas, and amenities like volleyball courts, making it ideal for day trips and casual gatherings[1][5].