Onyx Gymnastics
George's Heights, Building 15, Best Ave, Mosman, New South Wales, 2088
“Jump off the beam, flip off the bars, follow your dreams and reach for the stars.”
Why Choose Onyx Gymnastics?
Customers consistently praise Onyx's patient, passionate coaching team and warm, welcoming atmosphere where children thrive.
With programmes from toddlers through to adults, and a proven track record of building confidence and skills in diverse groups, including children with additional needs, Onyx is a well-regarded choice across both Mosman and North Sydney, backed by strong community feedback.
About Onyx Gymnastics
Onyx Gymnastics is a well-regarded club serving families on Sydney's Lower North Shore, with locations in Mosman and North Sydney. Affiliated with Gymnastics Australia, the club offers a full range of programmes: KinderGym for toddlers and preschoolers, recreational classes for school-age children and teenagers, acrobatic gymnastics, tumbling, competitive squads, and adult classes including handstands. Parents searching for gymnastics classes in Mosman or kids gymnastics on the Lower North Shore will find a warm, welcoming environment here.
The club has built a strong reputation, with close to five stars on Google. Reviews consistently praise the coaches, particularly Alex, as patient, knowledgeable, and passionate, with a talent for getting the best out of every child. Parents appreciate how the team manages children with ADHD and additional needs, channelling their energy into skill-building in a safe, fun atmosphere.
Children progress steadily on apparatus like the beam and bars, gaining confidence and coordination along the way. Onyx Gymnastics also runs popular birthday parties and school-holiday camps, both earning glowing feedback from families. A free trial class is available for those wanting to see if the club is the right fit.
From preschoolers learning the basics through to teenagers working toward competitive level, Onyx provides a supportive space where young gymnasts truly enjoy their sessions and parents feel genuinely welcome.
Location
What Customers Say on Google
“A parent with multiple children praised the safe, fun environment at Mosman where their kids developed strong foundations, noting the coaches' ability to work patiently with children who are 'not easy', evidence of the inclusive, supportive approach.”
“Holiday camps are a standout: one parent reported their daughter came home excited about new moves and friendships, feeling genuinely invigorated by the experience.”
“Coaches are consistently praised as patient, knowledgeable, and passionate; one parent highlighted their son's growth in both skill and confidence under the team's care.”
Source: Google Reviews
Frequently Asked Questions About Onyx Gymnastics
Yes, Onyx Gymnastics runs birthday parties that local families rave about. The coaches keep groups of young children, often up to 15 or more, entertained with games, obstacle courses, dancing, and gymnastic activities for typically an hour and a half.
Parents tell us the team is brilliant at holding attention and creating a fun, energetic atmosphere. The Mosman venue has a lovely decked outdoor area where adults can relax and watch, then gather for cake afterwards.
Booking is straightforward, and it's a popular choice for 4- to 6-year-olds on the Lower North Shore.
Onyx Gymnastics runs holiday camps during school breaks, and children consistently come home buzzing. The camps mix skill-building, learning new moves on beam and bars, with games, dancing, and plenty of outdoor play at the spectacular Middle Head location in Mosman.
Parents appreciate that their children make new friends and return feeling invigorated and more confident. The camps are a favourite with local families, and many children ask to go back term after term.
Absolutely. Onyx Gymnastics has a strong track record supporting children with ADHD and high energy levels.
Parents tell us the coaches are skilled at channelling that 'endless energy' into focused skill work, helping children develop confidence, perseverance, and self-regulation. Families report that gymnastics at Onyx has taught their children persistence and given them a sport they're genuinely excited to attend every week, a real win for kids who can find other activities harder to stick with.
Yes, Onyx Gymnastics offers a free trial class, so your child can experience a session before committing to a term. It's a no-pressure way to see whether the coaching style, the venue, and the class atmosphere are the right fit.
Many families on the Lower North Shore start with a trial and stay for years, moving from preschool classes right through to recreational or competitive programmes as their children grow.
The coaching team at Onyx Gymnastics, especially coach Alex, is consistently praised as patient, knowledgeable, and genuinely passionate. Parents tell us the coaches have a gift for getting the best out of every child, whether it's a nervous 4-year-old in the Saturday Shooting Stars class or a teenager working towards competitive level.
The club is affiliated with Gymnastics Australia, and families appreciate that their children both learn skills and build confidence, strength, and a real love for the sport in a supportive, caring environment.
Contact Details
- Phone
- +61 451 126 612
- Address
- George's Heights, Building 15, Best Ave, Mosman, New South Wales, 2088
How Onyx Gymnastics Compares
in Sydney
More reviews than 54% of gymnastics clubs in Sydney
Inclusive Programs — 1 of 11 in Sydney
Trial Class — 1 of 28 in Sydney
Opening Hours
- Monday
- 9:30am-7pm
- Tuesday
- 3:30-7pm
- Wednesday
- 9:30am-6:30pm
- Thursday
- 4-7pm
- Friday
- 9am-5:30pm
- Saturday
- 9am-4pm
- Sunday
- Closed
Business Details
- Service Areas
- Mosman (Building 15, Best Avenue)
- North Sydney (Shore School, 15 Hunter Crescent)
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Community Comments
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