People shopping at a model train show.

Hagerstown Roundhouse Museum – While not a true train club, volunteers at the HRM, if they wish, will be fully exposed to the model railroading experience and can participate in building and operating the layouts.

Antietam Station- Hold sale 3 times a year
http://www.antietamstation.com

Waynesboro Model Railroad Club
https://www.waynesboromrrc.com/

Bunker Hill Train Club – Hold sale 2 times a year.
http://www.bunkerhilltrainclub.org/

Cumberland Valley Model Railroad Club – Sale every February
http://www.cvmrrc.com/

Winchester Model Railroad Club – Hold sale 2 times a year.
http://www.wmrrc.org/web/

Maryland West Virginia Model Railroad Association- Spring show
https://www.facebook.com/Maryland-West-Virginia-Model-Railroad-Association-494529287401153/

The Great Scale Model Train Show – Largest show in the Mid-Atlantic region
Three shows a year.
http://gsmts.com/

Railserve.com – Index of model train show
http://www.railserve.com/events/train_shows.html