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Who We Are

At X Marks the Fitness Spot we offer the best of all worlds, free weights, Nautilus, and much more. We also feature a separate aerobics studio, and many treadmills, ellipticals, step climbers and Schwinn exercise bikes for our spin classes or your warm up.

Acton's biggest fitness facility is also Acton's best equipped gym. If you were familiar with this space before you won't believe all the new changes and features.

X Marks the Fitness Spot is solely owned and operated by Kevin Harris. Kevin's goal was to give the Acton/Milton/Rockwood area a professional and clean gym environment. The reviews from veterans and newcomers alike have been great.

You can't beat the atmosphere at X Marks the Fitness Spot, it's big enough to be in the 'Big Gym' class but yet it's not TOO big that it loses the personal attention. It's perfect for you.

Whether your goal is to lose weight, tone up, build muscle, burn fat, or just plain look great, X Marks the Fitness Spot has a new body waiting for you and we are just minutes away!


CLICK HERE to view X Marks Gallery


Click here for Class Shedule

Sign up for classes at the front desk, call or e-mail to book your spot.
Sign up for electronic class updates!

If less than 3 people sign up there will be NO CLASS!



We have memberships for everyone! Click here to learn more.


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24 Hour Access, 7 Days a Week