YMCA of Yarmouth The YMCA will be offering 6 archery sessions throughout the summer. Click here for more information on what dates are offered, and how the process works. For ages 12 and up. Open to youth and adults. SUMMER PROGRAM BROCHURE is now available. Click here to check out what’s in store! Summer swim lessons are almost here. Registration for YMCA members will start on June 15th. Registration for non-members will be June 19th. Click on this link for a copy of our summer brochure.