Underground Strength Gym
1 Trafalgar Pl, Marsfield NSW 2122, Australia
5.0 ★ (122 reviews)
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About Underground Strength Gym
Underground Strength Gym in Marsfield is a coaching-led strength studio that takes a refreshingly personal approach to getting people strong, capable and confident in the weights room. Tucked inside the Maash Squash Centre and a short drive from Macquarie Centre, it specialises in small-group strength training that is genuinely coached rather than just supervised, so every session combines real technical guidance with a relaxed, encouraging atmosphere. The gym has built a loyal following among adults who want to build strength and age well, including people new to lifting and those returning to exercise on physio advice.
Members repeatedly highlight how knowledgeable and supportive the coaches are, taking time to understand each individual and letting everyone progress at their own pace without pressure or judgement. The community spirit is a defining feature, turning what can feel intimidating elsewhere into something approachable and even enjoyable. With progressive, technique-focused programming and optional nutrition support, Underground Strength Gym suits anyone in the Marsfield and wider Macquarie area who wants structured, sustainable results and a friendly team in their corner.
Classes & Programs
Small-group strength trainingPersonal trainingStrength coachingNutrition coaching
Facilities & Amenities
Squat racks Free weights Inside Maash Squash Centre 5 minutes from Macquarie Centre
Who It's For
Adults 30+BeginnersReturning to exerciseRehab/physio referralsStrength buildingHealthy ageing
Membership & Pricing
Group coaching From $85 per week
Personal training From $169 per week, varies by frequency
No lock-in Love it or leave it in the first 7 days; cancel anytime with 28 days notice after that
* Prices from the studio's website and may change — confirm before joining.
Location
Frequently Asked Questions
Is it good for beginners? +
Yes. Coaching is hands-on rather than supervised, everyone moves at their own pace, and the gym is popular with people new to lifting and those returning on physio advice.
Is there a lock-in contract? +
No. There is a love-it-or-leave-it first 7 days, and after that you can cancel anytime with 28 days notice.
Is it group or one-on-one? +
Both. Small-group coached strength sessions of 5 to 12 people, plus one-on-one personal training.
How much does it cost? +
Group coaching starts at $85 per week and personal training from $169 per week, depending on frequency.
Where is the gym located? +
At 1 Trafalgar Pl, Marsfield, inside the Maash Squash Centre, about five minutes from Macquarie Centre.
Pricing Information
Contact for pricing
Contact for pricing
Estimated starting price
• Pricing varies by plan and commitment
• Casual day passes often available
• Ask about free trials and student rates
Gym Information
Location Type
N/A
Style
strength training, powerlifting
Google Rating
5.0 ★
Location
NSW
What to Know
- Arrive 10–15 min early on your first visit
- Bring a towel, water bottle and clean shoes
- Check timetables and book classes ahead
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Underground Strength Gym is one of NSW's fitness studios, offering professional training services for all fitness levels. Located in 1 Trafalgar Pl, Marsfield NSW 2122, Australia, this studio provides high-quality training and fitness services for both beginners and experienced athletes.
As part of the Sydney fitness community, Underground Strength Gym contributes to the local fitness scene. Whether you're looking for personal training, group classes, or specialist coaching, this studio offers a professional and welcoming environment for your next workout.