Maine Fermentation Festival

an annual celebration of the flavor explosion and multi-cultural traditions of fermentation in Maine

Saturday, November 1, 2025

11-4

Castonguay Square – Downtown Waterville



Demonstrations

Sourdough, Dulse, Nuka Pickles, Douchi, and more…

Culture Swap

Bring a culture for the share table, take a new one home to experiment.

Ferment Judging

Get feedback from a panel of professionals

Vendors

Local businesses and farms – see a full list on our Vendors page.