Mackinac Island Halloween 2025. So if you haven’t decided on your costume or snagged your ferry ticket online yet, you still have time to make. Get ready for an enchanting experience at the mackinac island lilac festival 2025, where the island blooms with vibrant lilac flowers, filling the air with their sweet fragrance.

Within these halls you will encounter horrors of the past… artist’s conceptions of monsters from mackinac’s history. Mackinac island is mainly a may through october destination.