My name is Justen O’Neill, and I’m proud to serve as a health and fitness coach at Unique Fitness right here in Holbrook. My passion lies in helping individuals unlock their full potential—not just physically, but mentally and emotionally as well. I believe that true wellness is built on a foundation of small, consistent habits, and my mission is to guide people through the process of creating sustainable, long-term change in their lives.
In today’s fast-paced world, it’s easy to lose sight of personal health goals. Between work, family, and other obligations, fitness often falls to the bottom of the priority list. That’s where I come in. I work closely with clients to develop realistic, personalized plans that are not only effective but also sustainable. My approach is rooted in structure, support, and accountability—three pillars that help my clients build momentum and stay on track.
Whether someone is just starting their fitness journey or looking to take their training to the next level, I’m here to meet them where they are. I emphasize progress over perfection, focusing on daily actions that add up to powerful results over time. From tailored workouts and nutritional guidance to mindset coaching and motivation, I offer a comprehensive strategy to help individuals make lasting improvements in all areas of health and wellness.
But my work goes beyond sets, reps, and macros. For me, it’s about building relationships and creating a supportive community where people feel encouraged, challenged, and inspired. There’s nothing more rewarding than seeing someone gain confidence, improve their energy levels, and truly take ownership of their life again. That transformation isn’t just physical—it’s life-changing.
At Unique Fitness, we pride ourselves on being more than just a gym. We’re a team of dedicated professionals committed to empowering our members with the tools, education, and encouragement they need to thrive—not just during their workouts, but in every area of their lives. And as someone who’s been on my own personal fitness journey, I understand the ups and downs that come with change. That empathy allows me to connect with people on a deeper level and guide them with both compassion and clarity.
If you’re ready to break old patterns, build healthier habits, and start becoming the best version of yourself, I’d love to be part of your journey. Let’s work together to create a stronger, healthier future—one day, one decision, and one workout at a time.
About Justen
Q: Please tell us a little bit about your family.
My wife and I are expecting our first child, a baby boy!
Q: Please tell us about your current, past, or future career. What do you love most about what you do?
It’s an industry that’s always evolving and pushing me to do better while helping others.
Q: What advice would you give to people?
The little things matter more than you think.
Q: Where do you see yourself in 5 to 10 years?
Revolutionizing health and fitness by expanding Unique and our personal training services across all of Long Island. To build a healthy community one day at a time.
Justen & Our Community
Q: What are a couple of your favorite restaurants in our community?
Dark Horse Coffee and Kitchen
Q: How long have you lived or worked in our community?
I have worked in the Holbrook Community for the past five years.
Q: Who is the most interesting person you’ve met here in our community?
Billy Richard’s
Q: What current or former local business makes you the most nostalgic about our community?
Unique Fitness
Q: What is your favorite thing or something unique about our community?
The sense of support. Whether its small businesses helping each other or people showing up for local events, there’s a strong community vibe here that makes you feel like you’re part of something bigger.
Q: If you could choose anyone that is alive today and not a relative; with whom would you love to have lunch? Why? And where locally would y’all meet for this lunch?
I’d love to have lunch with Jordan Peterson. His mindset and drive are unmatched, and I think the conversation would be life changing. We’d meet at Dark Horse Coffee and Kitchen—laid-back, great food, and a place where real talk can happen.
For Fun
Q: What is one of your favorite movies? TV shows?
Remember the Titans” – the message, leadership, and unity always hit home.
Q: (Even for friends or family), what is something interesting that most people don’t know about you?
I’m a pretty solid writer—I’ve kept journals for years and love using writing as a way to reflect and grow.
Q: What would you rate a 10 out of 10?
The feeling you get after helping someone make a real breakthrough in their health or mindset. Nothing beats watching someone realize their own strength.
Q: Who inspires you to be better?
My dad.
Q: Finally, what 3 words or phrases come to mind when you think of the word HOME?
Family. Growth. Peace.