Portarlington Mussel Festival 2025 Dates. The 17th annual portarlington mussel festival is on saturday 11th january 2025. Preparations for the 16th annual portarlington mussel festival has begun!
Register or buy tickets, price. The portarlington mussel festival will be held on the second saturday in january from 9:30am to 5:00pm in the picturesque village of portarlington.