The Mackinac Island Lilac Festival is the largest and most historic festival on Mackinac Island. It’s 10 days celebrating the lilacs and their uniqueness and history to Mackinac Island. Join us for the Lilac Queen coronation, official poster reveal, 10K Run/Walk, lilac walking tours, lilac planting seminars, bounce houses, Michigan Cornhole tournament, live music, the Grand Parade, and more!