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Underground Fitness

Also listed as UF Dublin, Underground Fitness Dublin

Functional Fitness Box

Unit 4, Ashgrove Industrial Estate, Kill Avenue, Dún Laoghaire, Dublin, Ireland

Weekly Pass
20 EUR
Monthly
175 EUR
Book on Mindbody
Dún Laoghaire
Screenshot of the Underground Fitness website
Underground Fitness website

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

Strength & ConditioningHYROXKickboxingYogaOpen GymSaunaIce BathShowersFree Parking

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.

  1. 1.Official site
  2. 2.Official site
  3. 3.Social
  4. 4.
    Underground Fitness Dublin

    mindbodyonline.com

    Booking portal
  5. 5.Official site
  6. 6.Google Maps

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