- Weekly Pass
- 20 EUR
- Monthly
- 175 EUR

The Verdict on Underground Fitness
Train here for semi-private strength sessions with your own station plus HYROX workouts and cold plunge recovery. Standard visits require booking ahead through Mindbody or the member app.
Best for: Semi-private training, HYROX prep, Recovery facilities
Equipment & Climate
Individual workout stations each equipped with a gym rack, barbell, bench, weights, and cable machine. Includes a separate private open gym studio.
Schedule & Drop-In Rules
Over 70 class times per week operating 364 days a year, including bank holidays.
Pricing Notes
Mindbody reports a single drop-in session for €20.00 and Combat Cardio for €17.50. A Google summary also notes a €35 HYROX Experience class and a 10-class pack for €175. The official site offers a 1-week trial for €20 and regular monthly membership at €175 with zero contract.
Coaching
Classes are capped at 15 participants per session and coached by personal trainers.
Good to Know
- Member Cap
- Total gym membership is capped at 250 members to avoid overcrowding.[1]
- Station Setup
- Each participant trains at an individual station with their own dedicated rack, barbell, bench, and cable machine.[1]
- Recovery Centre
- On-site recovery space features a sauna, ice baths, and cold barrels.[1]
- Annual Schedule
- Classes operate 364 days per year, including all Irish bank holidays.[1]
Visitor Guide
Overview
Underground Fitness is a large group personal training facility located in Ashgrove Industrial Estate along Kill Avenue in Dún Laoghaire, South Dublin. The gym focuses on semi-private strength and conditioning, HYROX conditioning sessions, yoga, and kickboxing. Overall gym membership is capped at 250 to ensure training stations never get overcrowded.
Training & Facility
The gym sets up its 50-minute strength sessions so that every participant receives an individual workstation. Each spot is outfitted with a personal squat rack, barbell, bench, weight plates, and cable station, keeping group classes capped at 15 members. In addition to the main training floor, members have access to a separate open gym studio for independent sessions. The facility also includes The Plunge, an on-site recovery zone equipped with a sauna, cold immersion barrels, ice baths, and showers.
Booking & Visits
Underground Fitness runs more than 70 workout slots weekly across 364 days a year. Newcomers can register for a one-week trial pass for €20 through the gym website or reserve drop-in spots via Mindbody. Free on-site parking is available directly outside the unit.
Verified Sources
6 sources checked on 2026-11-11. Prices come from the gym's own pages.
Verified Sources
6 sources checked on 2026-11-11. Prices come from the gym's own pages.
- 1.Official site
- 2.Official site
- 3.Underground Fitness Ireland (@undergroundfitnessirl)Social
instagram.com
- 4.Underground Fitness DublinBooking portal
mindbodyonline.com
- 5.Mummy-Baby - Dublin - Underground FitnessOfficial site
underground.ie
- 6.Google AI OverviewGoogle Maps
google.com

