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Your Trusted Partner for Fitness & Wellness Solutions
Since our founding in 2015, Yanagida Fitness has dedicated itself to transforming lives through personalized fitness solutions and nutritional guidance. Our team of certified professionals, including NASM-certified trainers and nutrition coaches, combines evidence-based methodologies with community-driven support to help members achieve sustainable health outcomes. We specialize in adaptive training programs tailored to all fitness levels, from beginners to advanced athletes, while fostering a welcoming environment where clients consistently report measurable improvements in body composition, energy levels, and overall well-being.

Our client-centric philosophy emphasizes individualized attention through free consultations, customized workout plans, and ongoing progress assessments. With over 8 years of collective experience in strength training, metabolic conditioning, and chronic disease prevention, we maintain rigorous professional standards through continuous education in exercise physiology and sports nutrition. Our facility prioritizes transparency in program design and pricing, ensuring members receive maximum value for their investment in health.
Services
Personal Training Nutrition Coaching Community Fitness Strength Conditioning Metabolic Testing
Highlights and features
  • Certified personal trainers with 2000+ combined hours of continuing education
  • Customized programs for diabetes prevention and metabolic health improvement
  • Free initial consultation and fitness assessment
  • Progressive training modifications for all physical limitations
  • Proven track record with 80% client retention over 5 years
Associations and certifications
  • National Academy of Sports Medicine
  • National Personal Training Institute
  • Kettlebell Training Specialist
What people say
Down 20+ lbs Improved health results Positive environment Expert coaches Active community
Services
Personal Training
Customized one-on-one training programs developed by NASM-certified professionals. Sessions focus on strength development, mobility improvement, and metabolic conditioning. Trainers utilize movement assessments to create safe, progressive workout plans tailored to individual goals like weight loss, injury recovery, or athletic performance enhancement.
Nutrition Coaching
Evidence-based nutritional guidance from certified specialists. Programs emphasize whole-food diets, portion control, and meal timing strategies. Coaches develop personalized plans addressing specific needs like diabetes prevention, gut health, and body composition goals while educating clients on sustainable eating habits.
Community Fitness
Structured small-group sessions combining functional movements and metabolic conditioning. Programs foster accountability through team challenges and peer support while maintaining individualized modifications. Classes accommodate varying fitness levels with scalable exercises ensuring safe participation for all members.
Strength Conditioning
Specialized programs targeting muscular development and functional capacity. Using periodized programming, trainers implement progressive overload techniques to improve strength metrics. Focus areas include posture correction, joint stability, and athletic power development through resistance training methodologies.
Metabolic Testing
Comprehensive evaluations measuring body composition, resting metabolic rate, and cardiovascular capacity. These assessments establish baseline metrics for program design and track progress through periodic re-evaluations. Data-driven insights help optimize training intensity and nutritional requirements for individual clients.
People
Justin Yanagida
Founder
Overcame childhood obesity and medical challenges through fitness, achieved NASM-certified trainer status, and established community-focused gym in 2015. Holds multiple specialty certifications in corrective exercise and performance enhancement.
Allyn Kalaiwaa
General Manager
Former elementary school P.E. teacher with NASM certifications in personal training and nutrition coaching. Specializes in senior fitness and women's health programs. Transitioned from education to full-time fitness leadership role in 2017.
Alana Seabury
Assistant Manager
Transitioned from track & field athlete to certified accountability coach. Focuses on community engagement and member retention strategies. Holds NASM corrective exercise specialist certification with emphasis on injury prevention techniques.
Hilary Kaikala
Head Coach
Progressed from beginner to head coaching role through continuous education in movement mechanics. Specializes in client motivation and progressive program design. Maintains active participation in professional development workshops for training methodologies.
Carol Kurisu
Senior Coach
Retired educator turned master trainer with 8 years of coaching experience. Specializes in age-defying fitness programs for mature populations. Provides mentorship to new coaches while maintaining active client caseload and morning class instruction.
Questions
What services does Yanagida Fitness offer?
We provide personalized fitness training, nutrition coaching, metabolic assessments, and community support programs for all fitness levels.
How long are personal training sessions?
Sessions range from 45-60 minutes with flexible scheduling options available for working professionals.
Do you offer beginner-friendly programs?
Yes, our trainers specialize in creating modified workouts for new exercisers with medical restrictions or physical limitations.
What makes your nutrition coaching unique?
We combine sports nutrition science with practical meal planning for sustainable dietary changes, not restrictive diets.
Can I try a free workout first?
We offer two complimentary sessions to experience our facility, meet trainers, and get a conditioning assessment.
Are there long-term membership commitments?
We provide month-to-month plans with flexible package options to accommodate changing fitness goals and schedules.
Reviews (7)
Lisa Garcia
Oct 03, 2021 Report
Positive:Quality
So happy I gave this place a try. I love that they have different types of workouts with different tools, ie slam balls, kettlebells etc. I've always wanted to use these but to insecure to do so. The coaches are so motivating and uplifting.
Shelley Cruz
Jul 22, 2021 Report
I am so impressed with the excellent customer service from all the staff at Yanagida Fitness! First of all, they greet you by name every time you arrive, truly treat you like family! I have a hip injury and each trainer has given me modification exercises if there are exercises that will aggravate my injury (without me checking with them or reminding them of my injury). They obviously check who is signed up for the class and prepare this ahead of time which I very much appreciate. They encourage and motivate you and accommodate every level of fitness. I've been going for several weeks and am feeling
Tilna Heam
Feb 14, 2021 Report
LOVE the people. Friendly community. Coaches are all awesome and motivating. Very well programmed. I highly recommend Yanagida Fitness. BIG DUMPS UP
Wendy Nathan
Feb 05, 2021 Report
Positive:Communication,Professionalism,Quality
One of the best things about Yanagida Fitness is that the coaches are all very encouraging and there is absolutely no judgment. They make it easy to stay motivated!
Kaitlynn F.
Mar 08, 2020 Report
If you want to change your life and how you connect with your body and health then you need to come to this gym. I found this gym just by surfing the net and I immediately knew that my husband and I needed to come to this gym. After a complementary consultation and a two-week trial I knew we would be monthly members. What I love about this gym is not only the amazing coaches but also the community and family atmosphere. I also love that it is a private gym and I never feel pressured or embarrassed about my work out performance because everybody is on their own journey and we're all there supporting
Laura K.
Mar 08, 2020 Report
Well if there's anyone on this island that can get your okole off da couch and into some fitness, it's Justin Yanagida! His infectious enthusiasm for YOUR health is irresistible! After moving to Wailuku from Kihei I was not liking the local gyms and my husband had a co-worker who found Yanagida Fitness. I went to one group workout, loved it, signed up for two free weeks and have been there ever since.

Justin has a team of coaches who guide you through a 45 min workout that is never boring and always feels good. You are invited to go at your own pace. My favorite coach is Shannon
Victoria B.
Jun 22, 2019 Report
Justin taught me so much about fitness because of him my entire perspective on food & fitness has changed. I'm a food addict and I know why I am and I know when I'm abusing it my self awareness around food exists now when in the past it did not. The two years I had the sheer pleasure of training with Justin was unforgettable totally rewarding. I was in the best shape of my life! Unfortunately I moved off island and because Justin is so top notch I wouldn't consider just any trainer it took me over a year to get back with the right trainer and no he isn't Justin but I&apos