Gyms & Fitness in Koh Samui
10 listings · Rated and reviewed
At Koh Samui gyms, a day pass costs ฿250–฿400 and a month ฿1,699–฿2,600; a week at a fitness retreat starts at ฿8,500 (checked September 2026). Compare prices at 7 gyms and retreats

Legend X Fitness
9.9/10(738 reviews)Bang Rak
Prices: ฿300 a day, ฿1,699 a month
Legend X Fitness is a 24-hour beachfront gym in Bang Rak with modern equipment, showers, and sea views. Reviewers praise the friendly staff, clean space, air...

Star Gym
9.4/10(701 reviews)Chaweng
Prices: ฿250 a day, ฿1,800 a month
Star Gym is a Chaweng gym with modern, well-kept equipment, open-air ventilation, friendly staff, towels and lockers, and Muay Thai training. It’s open daily...

Elite Gym and Fitness Exclusive
9.3/10(678 reviews)Chaweng
Prices: ฿350 a day, ฿2,600 a month
A Chaweng gym, sports complex, and yoga studio with daily 6:30 AM–10 PM hours, strong air conditioning, and lots of equipment. Reviewers praise the friendly...

Legacy Muscle Universe
9.7/10(638 reviews)Choeng Mon
Prices: ฿400 a day, ฿2,600 a month
Legacy Muscle Universe is a bodybuilding-focused gym, fitness center, spa, sports club, sports complex, and yoga studio in Choeng Mon. It’s open daily from 6...

Koh Fit
9.0/10(602 reviews)Lamai
Prices: From ฿16,133 a week
Koh Fit is a Lamai fitness center and Muay Thai gym aimed at people booking a training stay or serious workout schedule. It opens daily from 6:30 AM, with...

FITKOH
9.6/10(439 reviews)Bang Po
Prices: From ฿8,500 a week
FITKOH is a Bang Po fitness camp with Muay Thai, gym training, yoga, recovery, and body transformation programs. It’s open Monday to Saturday, wheelchair...

Success Gym
8.6/10(349 reviews)Chaweng
Large Chaweng gym with weights, cardio, squat racks, stretching space, boxing area, sauna, towels, and free water. Open daily 6 AM–9 PM. Reviewers say day...

Lamai Fitness Retreat
9.6/10(321 reviews)Lamai
Prices: From ฿17,000 a week
Lamai Fitness Retreat in Lamai is a gym, Muay Thai boxing gym, yoga retreat center, and weight-loss program all in one. It suits solo travelers and anyone...

Ultra Bodies Gym
8.8/10(307 reviews)Lamai
Compact Lamai gym with air conditioning, machines, free weights, showers, and free street parking. Open daily 7 AM–9 PM, but it gets crowded at peak times and...

Outdoor Gym
9.4/10(242 reviews)Lamai
Outdoor Gym in Lamai is a no-frills outdoor gym with a strong local following, beachfront atmosphere, and a donation-based setup. It suits people who care more...
How much does a gym cost on Koh Samui?
Walk-in prices at 4 gyms, cheapest monthly membership first. Tap a gym for its full price list, classes and personal training.
| Gym | Day | Week | 10 visits | Month | 3 months | Year | Residents, month |
|---|---|---|---|---|---|---|---|
| Legend X FitnessBang Rak | ฿300 | ฿800 | – | ฿1,699 | ฿4,500 | ฿9,990 | – |
| Star GymChaweng | ฿250 | ฿1,200 | ฿1,400 | ฿1,800 | ฿4,500 | ฿13,200 | ฿1,500 |
| Elite Gym and Fitness ExclusiveChaweng | ฿350 | ฿1,500 | ฿1,900 | ฿2,600 | ฿6,000 | ฿15,800 | ฿2,000 |
| Legacy Muscle UniverseChoeng Mon | ฿400 | ฿1,800 | ฿2,200 | ฿2,600 | – | – | – |
What does a fitness retreat cost on Koh Samui?
Retreats sell training programmes by the week, often with meals and a room. Each programme's shortest stay; longer stays and what's included are on each retreat's page.
| Programme | Shortest stay | Without room | With room |
|---|---|---|---|
| FITKOHMuay Thai Standard | 1 week | ฿8,500 | – |
| Fitness Standard | 1 week | ฿12,500 | – |
| Muay Thai Premium | 1 week | ฿13,500 | – |
| Weight Loss Standard | 1 week | ฿14,000 | – |
| Fitness Premium | 1 week | ฿17,500 | – |
| Weight Loss Premium | 1 week | ฿19,600 | – |
| Koh FitTotal Fitness Retreat | 1 week | ฿16,133 | ฿22,365 |
| Muay Thai & Strength & Conditioning Retreat in Koh Samui | 1 week | – | ฿22,150 |
| Weight Loss Retreat | 2 weeks | ฿42,423 | ฿54,443 |
| VIP Transformation | 4 weeks | ฿112,359 | ฿141,960 |
| Lamai Fitness RetreatMuay Thai & Hyrox | 1 week | – | ฿17,000 |
| Complete Fitness Retreat | 1 week | – | ฿17,000 |
| Weight Loss Transformation | 1 week | – | ฿26,000 |
| VIP Body Transformation | 1 week | – | ฿35,200 |
| VIP Over 50s | 1 week | – | ฿46,500 |
"With room" only where the website says the price includes accommodation. Some retreats add VAT and a service charge on top.
From each gym's own website, checked September 2026. Prices change, so confirm before you pay.