Contact GMAC / Practice Pool Info

For questions regarding GMAC swimming sessions and general questions, contact GMAC President:
Marie Ventrone at 

For technical assistance with the ActiveNetwork meet and swimming registration account, contact: 

GMAC email address:  

GMAC mailing address:
Great Mills Aquatic Club, Inc


GMAC practice pool
21110 Great Mills Rd.
Great Mills, MD 20653 (301) 866-6560