Freeport & Nassau County, Long Island, NY
BUILT FOR LIFE.
Discipline. Development. Durability.
Building stronger bodies, resilient minds, and healthier lives.
D3 Built for Life offers personal training in Freeport, NY — purposeful personal, partner, and small-group coaching designed to help you build strength, improve endurance, move better, and develop habits that support you for life.
"You Got This. We Got This."
Why D3 Exists
Built around people, not just programs
Many people want to improve their health and fitness, but access to quality coaching is not always affordable or available.
D3 Built for Life was created to help bridge that gap.
D3 provides purposeful personal, partner, and small group training designed to help people build stronger bodies, resilient minds, and healthier lives.
Discipline. Development. Durability.
Fitness is bigger than appearance. It is about developing the strength to perform, the endurance to continue, and the durability to sustain a healthy life.
D3 is my initials, and Discipline, Development, Durability. My name is my promise.Coach Deveen
Purposeful Training
Every session has a reason.
Individual Attention
Coaching that sees you.
Long Term Health
Built to last for decades.
Accessible
Community, not a price tag.
Meet Coach Deveen
Two decades of leadership and coaching
D3 Built for Life was founded by Coach Deveen, a retired U.S. Marine veteran and experienced coach with more than two decades of experience in physical training, instruction, leadership, coaching, and personal development. After leaving the Marine Corps, that experience went straight back into the community, training members of this community for over five years, before D3 ever became a business.
This was not a career plan. It was a commitment to people who wanted to get stronger and did not have easy access to real coaching. D3 Built for Life exists to keep that same commitment, now with the structure to grow it.
Read the D3 Story
Retired U.S. Marine Veteran
"At 49, I'm stronger, better conditioned, and performing at a higher level than I thought possible."R. Sin
Train for Life
Discipline. Development. Durability.
The goal is not simply to train harder. The goal is to train smarter, recover properly, remain consistent, and build a body capable of supporting life.
Strength
The ability to produce force and perform. Real, functional power that carries into everyday life.
Endurance
The ability to sustain effort. Develop the stamina to keep going, in training and beyond.
Longevity
The ability to continue performing and living well over time. Train smart for decades to come.
Training Options
Train with purpose
Three ways to train with D3. Every option is coached, structured, and built around your goals.
Personal Training
Individual coaching with focused attention on your training needs and goals.
Partner Training
Train with someone you know while receiving structured coaching and accountability.
Small Group Training
Train with a small group while maintaining a focused coaching environment. Maximum group size: 4 participants.
Pilot Pricing
Founding member rates
A limited 12 week introductory opportunity for founding D3 clients. Start at pilot pricing, keep a Founding Locked Rate. No long-term contract. Train on your terms.
Pilot Pricing
First 12 weeks, per month.
| Plan | Sessions | Solo | Pair of 2 | Group of 3 | Group of 4 |
|---|---|---|---|---|---|
| Foundation | 8 sessions a month | $149solo rate | $268$134 each | $357$119 each | $448$112 each |
| MomentumMost Popular | 12 sessions a month | $219solo rate | $394$197 each | $525$175 each | $656$164 each |
| Consistency | 16 sessions a month | $279solo rate | $502$251 each | $669$223 each | $836$209 each |
Group prices are the total per month. The amount in ( ) is what each person pays.
A group is one signup. The group price and the Founding Locked Rate stand or fall together as one signup. If a member leaves the group, the remaining members move to the smaller group price the following month.
Founding clients who stay continuously active keep the Founding Locked Rate. Continuously active means no gap of more than 30 days between payments or sessions.
Additional sessions are $25 per person, per session. Maximum group size is 4.
Cancellation policy: 12 hours notice.
Founding pilot enrollment closes December 31, 2026. Start by December 31 and your first 12 weeks run at pilot pricing. After your 12 weeks, your Founding Locked Rate holds for as long as you stay continuously active, with no gap over 30 days.
After the 12 week pilot, founding clients who stay continuously active keep a Founding Locked Rate. See Training for details →
Train Together
Free Community Workouts
Sunday Crew and Friday Circuits, free and open to everyone. The best no-pressure way to experience the D3 approach. Just show up ready to work.
Train Anywhere
The Free D3 App
Train with D3 anywhere — booking, workouts, daily habits, and the Longevity Challenge. Free.
D3 Built for Life in Your Pocket
Instant access on any phone, tablet, or browser. Includes the 20-Minute Longevity Circuit, Friday Under Construction team timer, Daily Promise streak, routine check-ins, and direct booking with Coach Deveen.
Book Your Session
Reserve your spot now
Ready to train? Book your session and we'll confirm your time. New here? Complete your intake first so your first session is built around you.
The D3 Board
Short form D3 messages, practical guidance, motivation, and community engagement organized around mindset, discipline, training, recovery, nutrition, longevity, character, and community.
Visit the D3 BoardD3 Knowledge Center
Evidence informed education on fitness, health, recovery, nutrition, and longevity. Starting with: Cardio vs. Strength Training and why combining them wins.
Explore the Knowledge CenterThe D3 Mission
We exist to build people who are stronger for life in body, mind, and grit.
Discipline isn't seasonal. Development doesn't pause. Durability is the goal.
Build the body. Develop the mindset. Live Built for Life.
Book Your Session