The Maine Winery Guild sponsors its fourth annual Open Winery Day, Saturday, Sept. 19, to celebrate winemaking in Maine.

Maine wineries will have special offers in their tasting rooms, tours of their wineries and vineyards, food, music and more. A complete listing of events is available online at MaineWineTrail.com.

Midcoast wineries taking part in the event include:

Cellardoor Winery

Lincolnville

763-4478

mainewine.com

Savage Oakes Vineyard & Winery

Union

785-2828

savageoakes.com

Sweetgrass Farm Winery & Distillery

Union

785-3024

sweetgrasswinery.com

Winterport Winery/

Penobscot Bay Brewery

Winterport

223-4500

winterportwinery.com

Younity Winery & Vineyards

Unity

948-7777

younitywinery.com

Founded in 2008, the Guild currently represents 24 wineries in Maine and sponsors the Maine Wine Trail.