The event will include more than 100 display tables.
Participants will be selling anything from household items to handmade crafts and goods.
There will also be live music, face painting and festival foods.
Those interested in selling at the event are asked to register online at www.downtownsudbury.com or by phoning 705-674-5115. There is a registration fee of $25 plus HST. Extra tables cost $10 plus HST.