Mass Underground

Mass Underground Contact information, map and directions, contact form, opening hours, services, ratings, photos, videos and announcements from Mass Underground, Gym/Physical Fitness Center, 24 Cambridge Street, Boston, MA.

New year, new goals? Kick off 2024 with a free, private tour and take advantage of our same day complimentary workout to...
01/01/2024

New year, new goals? Kick off 2024 with a free, private tour and take advantage of our same day complimentary workout to see if our space is a good fit for YOU and YOUR goals🤝

Wanting to get back into a routine? Book a tour with us to check out the space and stay for a complimentary workout!
09/20/2023

Wanting to get back into a routine? Book a tour with us to check out the space and stay for a complimentary workout!

City of champs, come on down and workout like one! Big shout out to for the amazing artwork
12/06/2022

City of champs, come on down and workout like one! Big shout out to for the amazing artwork

Our mascot Cito really taking the two minute breaks between sets to heart today. But we get it, it’s almost the weekend ...
06/10/2022

Our mascot Cito really taking the two minute breaks between sets to heart today. But we get it, it’s almost the weekend

seventy something calls for outdoor workouts and breaking in some new equipment 😎
06/06/2022

seventy something calls for outdoor workouts and breaking in some new equipment 😎

“Going to work and clocking in and out doesn’t just happen at the office”- Mr. CanovaAbout five years ago when training ...
02/25/2022

“Going to work and clocking in and out doesn’t just happen at the office”- Mr. Canova

About five years ago when training became paramount to my mental and physical health, I finally knew what my father meant. Having a space where you feel motivated to start or finish your day on your own terms is a powerful thing- and Mass Underground strives to be exactly that. This isn’t my gym, it’s our gym.

New year, new amenities: 🔥☕️💪🏼
01/11/2022

New year, new amenities: 🔥☕️💪🏼

2 0 2 2 G I V E A W A Y🎉⁠⁠Who's setting new goals and looking for a place to check them off?! Kick off the new year wit...
12/27/2021

2 0 2 2 G I V E A W A Y🎉⁠
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Who's setting new goals and looking for a place to check them off?! Kick off the new year with a chance to win a one month, FREE membership for you and your workout partner!⁠
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TO ENTER:⁠
(1) Like this post⁠
(2) Tag your workout partner in the comments⁠
(3) Make sure you're both following .underground⁠
**Share to your story for an extra entry!⁠
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Winning pair will each receive one FREE month long membership to kick off your New Year fitness goals!⁠
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**valid for new members only⁠
**this giveaway is in no way sponsored or endorsed by Instagram. Winner will be announced Friday 12/31 at 3PM on our story⁠ and via DM⁠
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Mid week motivation brought to you buy a Wild Card win⁠ 🙌🏻⁠⁠⁠⁠
10/06/2021

Mid week motivation brought to you buy a Wild Card win⁠ 🙌🏻⁠
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Mass never looked so good🔥⁠⁠⁠⁠••🎨⁠ 📸
09/30/2021

Mass never looked so good🔥⁠⁠
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🎨⁠
📸

this all started with a mission to create a space where people feel motivated and encouraged to discover the best possib...
09/29/2021

this all started with a mission to create a space where people feel motivated and encouraged to discover the best possible versions of themselves- both physically and mentally⁠⁠
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Not a fan of missing a Monday either? Check out the link in our bio to make an appointment to come see the space and get...
09/28/2021

Not a fan of missing a Monday either? Check out the link in our bio to make an appointment to come see the space and get in your first workout- on the house.⁠
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Address

24 Cambridge Street
Boston, MA
02129

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