Hong Kong gyms aren’t famous for space or serenity. ONYX Admiralty changes that with a 20,000-square-foot flagship spread across three levels on Queen’s Road East. This new concept from GO24 Fitness blends high-performance training with boutique-style classes like reformer Pilates and Hyrox functional training, and recovery zones that look more like a spa than a sweaty locker room.

We signed up for a trial to see if ONYX’s mix of reformer Pilates and tech-powered recovery lives up to the buzz. Spoiler: it’s not just about sweating but also about how you recover, reset, and rethink what a gym can be.

First Impressions: Gold Doors and Hyrox Turf

The entrance sets the tone: black panels trimmed in gold, more boutique hotel than gym. Inside, the scale hits you — three floors of open space, clean lines, and lighting that feels curated rather than clinical.

Cardio machines line up upstairs against floor-to-ceiling windows with city views. Downstairs in the basement, rows of dumbbells and cable stations sit under mirrored walls etched with reminders like “If there is no struggle, there is no progress,” setting the mode for what you’re training for.

Then there’s the Hyrox zone: black and red turf lanes marked for sled pushes, wall balls stacked neatly against polished wood panels. It’s a nod to the global fitness race trend and a clear sign that ONYX isn’t here for typical workouts. Every corner feels deliberate, from Olympic lifting platforms to recovery spaces glowing softly behind frosted glass.

The Reformer Pilates Sweat

Pilates sounds serene until you’re strapped into a reformer carriage, wondering why your abs feel like they’re on fire. The studio at ONYX is tucked away from the main floor — a minimalist space with glossy frames and padded platforms that look deceptively gentle.

The class by Joanne, the Polestar Pilates instructor, starts slow: breathing drills and gentle stretches to wake up your core. Then the tempo shifts. Leg presses against spring-loaded resistance, footwork that demands precision, and arm pulls that make you question your upper-body strength. Squats and lunges on a moving carriage are as intense as they sound. Add planks and spinal mobility drills, and you’ve got a workout that hits everything — upper body, lower body, and core — without a single dumbbell in sight.

Resistance here isn’t about plates; it’s about springs. Adjusting them changes the challenge, so beginners can keep it light while regular gym-goers can dial up the burn. And burn you will. Even as someone who trains regularly, we were sweating hard halfway through. Pilates works muscles you didn’t know existed, especially the deep stabilizers that weightlifting often ignores.

The instructor was calm but commanding, with clear cues and quick corrections if you’re way off. There was no music — it was never about the vibes because syncing breath with movement is the key. Beginners will love the accessibility and posture benefits, while experienced lifters will discover a new level of functional strength. It’s humbling, sweaty, and strangely addictive.

Recovery Rituals: Watching the Brave Ones

If Pilates was humbling, the recovery zone was pure theater. We didn’t try contrast therapy, but the infrared sauna gave off a warm, amber glow, its pale wood panels and soft LED strips creating a calm, spa-like corner. Across the frosted glass, the cold plunge pool sat like a minimalist stone basin, water still and deceptively serene until someone decided to take the plunge.

Watching people psych themselves up was half the entertainment. Some paced, others muttered affirmations, and then came the inevitable gasp when icy water hit skin. It’s dramatic, but there’s science behind it: alternating heat and cold boosts circulation, reduces inflammation, and sharpens mental clarity. Judging by the expressions, the mental clarity part kicks in fast.

Next to this area was the Hyperice Recovery area that was quieter, almost meditative if the cold plunge pool was not in use. Normatec compression boots hummed softly as they squeezed away soreness. Slip into these after a lower-body grind, and it feels like a deep-tissue massage without the awkward small talk. Compression therapy helps flush lactic acid and speeds recovery so you can hit your next session without hobbling.

Verdict & Tips

So, is ONYX Admiralty worth a visit? If you’re looking for more than a treadmill-and-dumbbell routine, yes. This is a full ecosystem for training, recovery, and performance. Beginners will appreciate the structured classes and supportive environment, while experienced lifters and Hyrox athletes will find plenty to challenge them — from sled pushes to reformer lunges.

Tips for first-timers:

• Arrive early — Familiarize yourself with the reformer setup; it makes the first few minutes less intimidating.
• Hydrate before and after — Pilates and recovery sessions can be surprisingly dehydrating.
• Wear grip socks — They’re often required for reformer classes and help with stability.
• Listen closely to instructions — Pilates moves aren’t always intuitive. If you lose track, don’t hesitate to ask for help; it’s better than guessing and risking poor form.
• Adjust resistance wisely — Springs change everything. Start light and focus on control rather than chasing heavy resistance. Like weightlifting, effectiveness beats ego.
• Bring a towel — You’ll sweat more than you think.
• Expect soreness — Micro-tears mean progress. Recovery options like Normatec boots help, so use them. And don’t quit because of the discomfort — it eases with consistency as your body adapts.
• Don’t skip the fun stuff — Even if you’re not plunging into icy water, watching friends brave the cold plunge is entertainment in itself.

ONYX feels like a rethink of Hong Kong gym culture: train hard, recover smart, and do it all in a space that feels designed, not improvised.

Check out the payment plans here. For more information about ONYX Admiralty or GO24 Fitness, visit their website, follow them on Instagram and Facebook.

Location: ONYX by GO24 Fitness, Basement, Shop A G/F &1/F, Tung Hey Building, 14/16 & 20 Queen’s Road East, Wan Chai