Mass Underground, LLC

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.