Spirit Halloween, LLC is an American seasonal retailer of Halloween decorations, costumes, props and accessories. It is the largest Halloween retailer in the country. Spirit Halloween was founded in 1983 and is headquartered in Egg Harbor, New Jersey. In 1999, the store had 60 seasonal locations and was acquired by Spencer Gifts. Today, the pop-up retailer has more than a thousand locations across the U.S. and Canada.