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About
Mass Underground, LLC is a members-only gym in Charlestown where adults can train their mental and physical abilities in a community-focused space. The facility was created with a simple, gritty approach, built around connection and community. It is designed for people who want to challenge themselves, stay motivated, and work toward becoming the best version of themselves. Mass Underground also operates a "Bodybuilding Club" created by Monica Canova's management.
Organisers
Frequently Asked Questions
Mass Underground is a members only facility and currently does not offer day passes. Book a tour to view the facility and enjoy a complimentary trial workout.
We encourage you to challenge, motivate, and better your mental and physical abilities. You will train surrounded by a community that supports and inspires you to be your greatest possible version.
Our mission is to provide a space where you are motivated and encouraged to discover the best possible versions of yourself, both mentally and physically. Our vision is to create a sense of community, a tribe, where you can transform, inspire, and connect with likeminded individuals.