The 20th annual Maine Celtic Celebration, July 17-19, 2026, on the Belfast, Maine waterfront at Belfast Commons and Steamboat Landing. The three-day midcoast festival features live Celtic and traditional music, dance performances, workshops, demonstrations, food and craft vendors, a beer tent, storytelling, open seisiúns, a Celtic Nations Exhibit, Scottish heavy athletics, a Celtic Dog Show, the signature Cheese Roll Championship, and Saturday-night fireworks over Penobscot Bay.