Koh Tao CrossFit
Welcome to Koh Tao CrossFit (famously known as 'The Box Koh Tao'), one of Thailand's longest-standing CrossFit affiliates with over 12 years of history. Situated on the beautiful tropical island of Koh Tao, our facility provides an incredible, open-air training environment designed for athletes of all levels—from absolute beginners to competitive fitness enthusiasts. Our programming is back-to-basics, prioritizing strength, conditioning, and solid functional movement. As the island's official HYROX gym, we offer a dynamic range of classes including high-intensity functional fitness, Olympic weightlifting, and specialized endurance tracks. Whether you are living on the island or just visiting for a tropical holiday, you will instantly feel part of our welcoming, tight-knit global fitness community.
Official HYROX Partner
We are Koh Tao's only certified HYROX partner gym, featuring authentic sleds, running tracks, and race simulations.
Spacious Open-Air Box
Train in a highly ventilated, expansive jungle-view facility with top-tier equipment.
Global Athletic Community
Join an energetic international community of expats, travelers, and local fitness lovers.
Coach Marcus
Head Coach & Founder
Marcus has over 15 years of experience in the fitness industry and has spent the last decade building the athletic community on Koh Tao. He is dedicated to high standards of movement quality and progressive functional training.
Coach Sarah
Lead CrossFit & HYROX Instructor
Sarah specializes in high-intensity cardiovascular endurance and HYROX-specific race prep. She loves helping holidaymakers and seasoned competitors break through their performance plateaus.
David, 34 yrs
"Absolutely brilliant spot for training! Koh Tao CrossFit is dedicated to building a community of athletes. The programming is incredibly solid, the coaching is highly professional, and the training atmosphere is unmatched."
Elena, 29 yrs
"An iconic gym with friendly and highly knowledgeable coaches. They offer varied and fun CrossFit workouts every single day. The gym provides plenty of space and top-tier equipment in an amazing open-air tropical setting."
The Main Box Training Floor
A spacious, open-air functional training area equipped with custom-built steel pull-up rigs, high-grade rubber gym flooring, and optimal air circulation.
Olympic Weightlifting & Strength Zone
Equipped with professional-grade barbells, extensive bumper plate sets, squat racks, and solid lifting platforms.
HYROX & Cardio Deck
Features specialized HYROX sleds, heavy-duty turf tracks, Concept2 Rowers, Skiergs, and high-performance Air Bikes.
HYROX Race Preparation
A performance-focused class simulating real HYROX race conditions, targeting functional fitness and high-capacity running endurance.
KTC Fitness / Strength & Conditioning
A back-to-basics strength and conditioning program focused on foundational movement patterns, functional power, and metabolic conditioning.
Beginner On-Ramp Program
A structured introduction to the foundational movements of CrossFit, Olympic lifting, and functional gymnastics under close coach supervision.
CrossFit WOD
Entraînement du jour - séance intense et variée
HYROX Prep Class
Préparation aux compétitions HYROX
KTC Strength & Conditioning
Specialized class
Olympic Weightlifting
Specialized class
Open Gym Session
Accès libre à l'espace d'entraînement
Strengths
- Iconic Island Setting - Enjoy a unique, highly motivating open-air training experience surrounded by Koh Tao's beautiful tropical landscapes.
- Official HYROX Box - Equipped with authentic HYROX gear, sleds, and turf, offering top-tier race preparation.
- Exceptional Coaching - Led by veteran certified CrossFit coaches with over 12 years of experience managing athletes of all backgrounds.
Watch points
- Tropical Heat & Humidity - The open-air design means it can get exceptionally hot and humid during midday training sessions.
- No Air Conditioning - The gym features an authentic, open-air functional design without indoor AC, emphasizing natural ventilation and back-to-basics training.
CrossFit WOD
Our signature Workout of the Day. It combines varied functional movements, high-intensity cardio, and weightlifting. Every session is fully scalable under the guidance of our expert coaches.
Objective: Overall Functional Fitness, Power & Agility
HYROX Prep Class
A high-end endurance conditioning class featuring real HYROX race simulations. Focuses on heavy sled pushes, sled pulls, wall balls, running blocks, rowers, and skiergs.
Objective: Endurance, Cardiovascular Capacity & Stamina
KTC Strength & Conditioning
A structured, back-to-basics workout focusing on building a rock-solid physical foundation. Great for building pure strength, muscle definition, and athletic conditioning.
Objective: Strength, Power & Hypertrophy
Open Gym Session
Utilize the entire open-air facility to work on your own programming, accessory work, lifting, or mobility drills during designated off-peak hours.
Objective: Self-Guided Training & Technique
Monday
Tuesday
Wednesday
Thursday
Friday
Saturday
Located in the serene southern region of Koh Tao at Chalok Baan Kao, our gym sits within a lively local neighborhood. It blends peaceful beach views with quick access to incredible dining, cozy cafes, and local shops.
Public transport
Easily accessible via local taxi boats or taxi pick-ups. Scooter rentals are the most popular and efficient way to reach the gym.
Parking
Free dedicated scooter and car parking directly in front of the facility.
Landmarks
Approach
We believe in a back-to-basics training model that blends high mechanical consistency with progressive intensity. Our philosophy centers on functional movement that translates directly to real-world performance.
Methodology
We focus heavily on structural stability, athletic capacity, and community motivation. Our coaches work closely with every member to scale exercises properly, ensuring high-quality movements.
Progression
We evaluate movement capability step-by-step. Athletes progress from simple bodyweight control to heavy strength training and high-intensity metabolic conditioning safely.
Single Drop-In Pass
- Access to 1 Coach-Led Class or Open Gym
- Full access to open-air facility and changing areas
- Great for travelers visiting the island
1-Week Unlimited
- Unlimited access to all scheduled CrossFit & HYROX classes
- Full open gym usage
- Includes priority booking
1-Month Unlimited Pass
- Full unlimited monthly access to all programs
- Access to official HYROX simulations
- Discounts on pro shop merchandise
First visit
Please arrive at least 15 minutes before your scheduled class. Introduce yourself at the front desk, complete our quick health safety waiver, and meet your coach who will run through the structure of the day.
Required equipment
Comfortable, breathable gym clothes, flat athletic training shoes, a personal towel, and a reusable water bottle. High-grip training gloves are optional.
What a typical session looks like
A standard 60-minute class begins with a comprehensive dynamic warm-up (10 mins), followed by a focused skill or strength phase (20 mins), the main conditioning workout (WOD/HYROX - 25 mins), and a cooling down/stretching phase (5 mins).
Strength & Weightlifting
HYROX & Cardio
Community Team WOD & Socials
A massive, fun team-based workout followed by beachside social gatherings and community dinners.
Official HYROX Simulations
Full-distance HYROX physical challenges to test your aerobic capacity, pacing, and movement transitions.
Marcus Thompson
Marcus has lived and breathed athletic coaching for over 15 years. Since establishing our Koh Tao facility, he has coached thousands of athletes, successfully designing functional systems that combine high efficiency and injury prevention.
Sarah Jenkins
Sarah brings an incredible amount of energy to the training floor. Specializing in cardio conditioning, she is the master behind our HYROX and endurance-focused tracks, helping athletes train smart and hit new physical benchmarks.
Think Koh Tao
Our official local accommodation partner. Offering beautiful rooms and vacation packages located right next to the gym.
CrossFit Inc.
Official worldwide affiliate status ensuring standard-setting functional programming and community structure.
HYROX Thailand
Certified affiliation providing official race preparation and event-specific fitness programming.
Drop-In: 500 THB | 1-Week Pass: 2,000 THB | 1-Month Pass: 4,500 THB | Complete packages combining accommodation at Think Koh Tao & unlimited classes are available on request.