LOOK BETTER. FEEL BETTER. ACHIEVE YOUR GOALS.
Newhaven
EXPLORE Newhaven IN 3D: TAKE THE TOUR
Launched in 2017, Underground Gym Newhaven was our second stronghold, and the community has only gotten stronger! Explore diverse fitness classes, expansive functional and combat areas, and top-of-the-line gear. Discover it all with a virtual tour and see how Underground Gym Newhaven can help you reach your goals.
Why not check it out in person - book a tour. Our dedicated team is eager to show you around. See first-hand how our members achieve their fitness goals.
OUR MEMBERSHIP GIVES YOU MORE
Newhaven
pushing the limits together
Dive into the heart of our Newhaven Underground Gym community and see what our happy members have to say about us.
Classes STRONGER TOGETHER
Our classes are about more than just breaking a sweat—they’re about building a community. Whether you're pushing your limits in HYROX or having fun in Spin, you’ll find support, laughter, and maybe a little friendly competition.
With flexible class times that fit your schedule, it’s easy to stay motivated and inspired.


Personal trainers
Guides to your fitness goals
At Underground Gym, our trainers are your partners in progress. Passionate and expert, they provide the guidance and motivation you need to achieve your goals. Whether mastering a skill or getting that extra push, our specialists are here to support you every step of the way.
View TrainersJoin the underground
Step into the top-rated realm of Underground Gym, where we’re all about real gains, real guidance, and real grit. Our lineup spans from strength building to a vibrant fitness community. Become a member and start seeing the results that only the Underground can deliver.