A new level of fitness

The Gym That Gives You Real Results

Join our friendly fitness community with gyms in Brighton, Newhaven and Tunbridge Wells. You bring your goals, we bring passion and determination. You'll find a wide range of equipment and classes to get stronger, fitter and more confident. We've created the ultimate fitness playground so you can learn about strength, fitness and combat at your own pace. Find out why we won "Best Independent Gym on the South Coast" by having a live chat, booking a tour or signing up today…

Book a tour Join Underground Gym

Classes

It's more fun together, so sign up for our wide range of classes. Focus on your own goals whilst making friends or trying a new sport... whatever you choose, you'll find great instruction and a friendly community ...

See our timetable to get inspired.

View Underground Gym classes
People spinning on cycles
Two people - a Black man in late 20s early 30s and an East Asian woman of a similar age - standing. The man is wearing a dark blue t-shirt with a yellow 'Underground Gym' logo and the woman is wearing a pale pink hoodie with a yellow 'Underground Gym' logo on

Underground Gym Shop

Buy the latest Underground Gym apparel and get it delivered to your door.

Shop now
Woman doing exercise at home

Underground Online - Online Fitness Classes

Whatever your goal, you can train smarter with our top Personal Trainers and Coaches – all from your living room. With Underground Online you will never be without a workout again.

Find out more
Man fistbumping person in on floor with him

1 Free Personal Training session When You Join

Take your first step on the road to fitness and be part of the family with a FREE personal training session. This session is 100% about you, so get ready to find your strengths and stretch your goals.

Find out more

What our customers have to say

  • Sami Maggs

    Sami Maggs

    2 months ago

    Amazing place, super nice staff friendly memebers an overall 10/10 experience and atmosphere
  • Johana Riquier

    Johana Riquier

    a year ago

    Equipment is good. Sometimes it gets very crowd though, with everything that comes with too much people
  • Alice Coates

    Alice Coates

    2 years ago

    Excellent gym. Great range of quality equipment. Helpful staff.
  • Michael Brady

    Michael Brady

    a year ago

    Decent gym , decent people and great price
  • Bill Wright

    Bill Wright

    11 months ago

    Great gym great staff love this gym
  • Emma Payne

    Emma Payne

    2 months ago

    ❤❤❤❤ excellent gym, great staff. Can't wait to get back there soon
  • goodusername0

    goodusername0

    a year ago

    Best gym I've been to. Always updating equipment and never overly busy. Friendly staff and other members also friendly, all different ages and not intimidating at all.
Book a tour Join