Long Island Basketball Training

TRAIN WITH
PURPOSE.

Elite development for all levels — led by former D1 point guard and international athlete Artemios Gavalas.

Built From ExperienceDesigned for Real Growth.

“Mesa was built to give players access to the level of training, mindset, and mentorship that shaped my career. Everything I learned from some of the best programs and coaches in the world, I now bring directly to every athlete I work with. My goal is simple, pass that on to the next generation.”

Artemios Gavalas — Founder, Mesa Basketball Training

Artemios Gavalas coaching a player
★★★★★5.0 on Google

WHAT FAMILIES ARE SAYING

BA
★★★★★
My son and daughter both train with Artemios and I can't say enough good things about the experience. He's an outstanding trainer who offers both one-on-one and group sessions, and every workout is organized, challenging, and fun. What really stands out is how well he connects with each player. He understands that every child learns differently and takes the time to coach them in a way that helps them succeed. No matter their skill level, every player leaves each session better than when they arrived. He's not just teaching basketball skills—he's helping kids become smarter, more confident, and more well-rounded players. His passion for the game and genuine investment in each athlete's development really show. If you're looking for a trainer who truly cares about helping young players improve and reach their potential, I highly recommend him. My son and daughter have both grown tremendously because of his training, and we're grateful to have found him!

Billy Antonopoulos

The Approach

A DIFFERENT STANDARD OF TRAINING

We Teach the Game — Not Just Drills

Players develop basketball IQ, decision-making, and real game awareness so skills translate under pressure.

Real Development. Real Results.

No gimmicks. No wasted reps. Every session is designed for measurable improvement in skill, confidence, and performance.

Built Beyond Basketball

We train discipline, focus, and resilience, because great players are built mentally as much as physically.

Basketball training in action

EVERY REP. EVERY SESSION. EVERY PLAYER.

The Name

ΜΕΣΑ is the Greek word for “in.” In basketball, it is the call you hear the moment a shot finds the net. It represents precision. Confidence. Execution. A word that has followed Artemios his entire life and now defines how players train.

Basketball coaching session

Proven Experience. Trusted Development.

WHY ΜΕΣΑ

5+

Years Training Athletes

Age 4–Pro

Athletes Trained

D1 + Pro

Playing Pedigree

Who We Train

  • Beginner
    Building fundamentals, coordination, and a love for the game
  • Intermediate
    Developing skills, basketball IQ, and competitive instincts
  • Advanced
    Elevating performance, game speed, and court vision
  • College & Pro
    Year-round development for competitive athletes at the highest levels

What Players Gain

  • Elite ball handling & scoring ability
  • Improved shooting mechanics
  • Game-speed decision making
  • Confidence under pressure
  • Stronger mindset & discipline
  • Athletes trained have gone on to compete from high school to the pro level

Service Area

Serving athletes across Long Island — Manhasset, Garden City, Hempstead, Long Beach, Huntington, Brookville, Southampton, Mineola, Westbury and surrounding areas in Nassau County and Suffolk County, NY.

SERIOUS ABOUT GETTING BETTER?

From first-time players to seasoned athletes, Mesa has a program built for every level. Browse available sessions and lock in your booking today.

View Programs & Book Now