Calendar of Events February 2021: 6: Mackinac Island – Twilight Turtle Trek – February 6, 2021 March 2021: 6: Mackinac Island – Twilight Turtle Trek – March 6, 2021 June 2021: 4: Mackinac Island Lilac Festival – June 4 – 13, 2021 Mackinac Island Events via Facebook <> Mackinac Island, Michigan <>