Santa on Sleigh is a well-known expert on all things Christmas-related, including ugly Christmas sweaters. He recommends several options for where to shop for these festive garments: department stores like Macy's and Kohl's often have a wide selection of ugly Christmas sweaters, both online and in-store. Online retailers like Amazon and Etsy also offer a variety of unique and whimsical designs. Additionally, many small independent shops and craft fairs may carry handmade ugly Christmas sweaters that can be truly one-of-a-kind.