Welcome to Lamai Fitness Retreat 15 Years Of Proven Results

We pride ourselves on being the longest serving fitness facility on Koh Samui with returning clients every year looking for the next level in fitness – non stop care with professional qualified coaches that will personalize you program and mentor you throughout your stay. Situated on the tropical island of Koh Samui known as one of the most beautiful islands in Thailand. Created and managed to have a place to achieve goals, make friends and change lifestyles. Take a break from the stress of a job, bad lifestyle or just a run of bad luck. All levels, nationality’s, and ages welcome.

Its as easy as sending us your information and we set up your personal goals

lets us know your dates and whatsap +66 080 558 6461 

 Our specialized training and personal programming has proven a great success. We are not just a boot camp with classes. Our coaches have worked on the Biggest Loser Asia TV reality show, The Challenger Muay Thai and with professionals around the world, we can transform, drop weight, rebuild confidence and boost fitness levels. On arrival you will meet Billy & his team to ensure your results will be 100 % guranteed.

Retreat’s & PDF Below – Click Here For Booking !

(catering for all budgets and experience – personal focus guaranteed )


 The most popular program with access to all classes, We will advise which classes to get the best results. Classes on the weekly schedule include Weight Training, Conditioning, Functional Fitness, Track Work with our Run Club, Hiking & Trail Running, Yoga, Beach Sessions, Cross Fit, Muay Thai and Mobility. Also thrown into the mix are Specialized classes such as Nutrition, Mental Awareness, Fit Test, Met Con Cal Killer, Yoga Fit, To The Bar, Self Defense, Swimming, Cycling and a lot of extra surprises along the way ! 10.30 am classes will change monthly.




This Body Transformation program ensures clean eating, detox and planned exercise daily it will shed those kilos and push your body to an incredible change. You wont be alone. Hard work and dedication with the right mind set and support will get you want you want. A mentor who will be assigned to work with you, overseeing your training and nutrition progress, accessing goals, taking weekly stats and monitored to help your learn about your body. First week will include a Detox Flush, following on with clean calorie counting meals. A full schedule to include all planned fitness classes, 2x weekly Private Session’s with Coach Billy, Airport Transfers, Nutritional Consultation, 3 Healthy Meals a day.

This amazing and proven program gets results and is fully loaded with classes all day!

Coach Billy has coached on The Biggest Loser Asia TV Show, the program is all set in place ! Nai his student losing 64 kg and coming 2nd place overall.




 Originating from Thai martial arts, this is an intense total body workout. You’ll learn basic Thai boxing techniques, such as blocks: kicks and punches, Mornings Muay Thai and a great cardio blast. During the day there are unlimited fitness classes ( see under Complete Fitness ) to choose from to build your strength and mobility. with all the fun going home learning one of the worlds favourite martial arts.





Swimming, Biking and Running three great principals to learn. Turn it around and head for one of the biggest achievements of all time a triathlon or focus on a individual event. A very addictive sport and a complete lifestyle change that will keep you focused for years. There is also online coaching before an event to get you started and aftercare. Triathlon is an amazing sport that brings three discipline together ; doing them all together is a challenge and maybe something your looking for ?


Lamai Fitness and Koh Fit unite to bring Koh Samui the Ultimate in High Performance Training sessions. If you consider yourself fit and can run 5km in under 29 mins this is the program for you.. Fast training & lots of work, burning fat, gaining muscles and increasing cardio every day. If you are one to jump in at the deep end this is for you. Kick start your morning with a strong cardio session followed by yoga/stretch and cross training. Afternoon strength sessions or Muay Thai with evening circuit classes Monday to Friday. Working and training with our professional coaches leaving you sweating and wanting more. Push yourself to your limits and join us on morning hikes, beach workouts, running clubs and swimming. This package has been put together in a great way, allowing you to train and socialize with a group of like minded goal setting friends from around the world. Samui Fitness Friends always stay in touch and return year after year.


Working with the world foreknown Training Peaks Coach Billy has become an affiliated coach now expanding his knowledge online ensuring his clients and athletes get peak performance all year round. Beginners wanting to start a 10 k run or first triathlon will benefit off the slow build up in fitness and performance over time with planned daily schedules. Choose an event and let Billy plan your weekly program all via Training Peaks and What-sap communication.. Mobility, Endurance, Strength Training, Weight Loss, Triathlon, Swimming, Biking, Running, Nutrition, Rehabilitation and Injury’s, Discovery Plans, Goal Event Setting, all giving you accountability to be the best you can.


Fitness Retreats on Koh Samui are very popular, mainly because you have time to train but can also enjoy your holiday with lots of time for recovery on the beach. We guarantee results, help you to change habits, build lean muscle, strip any excess fat and increase strength, teach mobility, power & flexibility whilst having fun, learning and growing – our programs will tailor around the individual.

Lamai Fitness has proven results to be one of Thailand’s most successful Retreats. Still keeping our personal touch and putting your training always directly with the owners and creators of Koh Samui’s first, original and best retreat !