Booyah Index · Guide
Legend X Fitness is the top-rated fitness gym in Koh Samui on the Booyah Index, rated ★5 from 634 reviews and known for oceanfront cardio machines with sea views and well-maintained plate-loaded and cable machines with squat rack. Star Gym (★4.8 from 568 reviews) and Elite Gym and Fitness Exclusive (★4.7 from 626 reviews) round out the top three. This guide ranks all 6 fitness gyms in Koh Samui by Google rating weighted by review volume.
Updated July 2026 · ranked by rating × review volume · no paid placement
Regulars come for oceanfront cardio machines with sea views and well-maintained plate-loaded and cable machines with squat rack — it holds ★5 from 634 reviews.
Also known for: On-site protein shake bar with custom shakes
Regulars come for well-maintained modern equipment with plenty of cardio machine variety and friendly, knowledgeable staff who guide beginners on proper equipment use — it holds ★4.8 from 568 reviews.
Also known for: Spacious open layout with dedicated muay thai training space
Regulars come for comprehensive free weights and barbell selection and dedicated stretching, yoga, and mobility work room — it holds ★4.7 from 626 reviews.
Also known for: Equipment organized by body part sections
Regulars come for multi-day fitness retreats with structured workout programs (3-4 hours daily) and private Muay Thai training sessions for beginners — it holds ★4.6 from 542 reviews.
Also known for: On-site healthy cafe with varied meal options included in retreat packages
Regulars come for multi-week weight loss and fitness programs with personalized training and specialized group classes including HIIT, Tabata, Hyrox, Box Fit, breathwork, and sound healing — it holds ★4.9 from 308 reviews.
Also known for: All-inclusive retreat packages with onsite accommodations, three daily healthy meals, and daily massages
Regulars come for specialized HYROX training programming and equipment and professional CrossFit coaching with former Games athletes — it holds ★5 from 85 reviews.
Also known for: Comprehensive functional fitness setup including runners, ramps for handstand walks, and full strength training equipment
Ranked by a blend of Google rating and review volume · structured by Booyah to be AI-readable · browse all Koh Samui places →
Legend X Fitness is the top-rated fitness gym in Koh Samui, with ★5 from 634 reviews. It's known for oceanfront cardio machines with sea views, well-maintained plate-loaded and cable machines with squat rack, on-site protein shake bar with custom shakes.
1. Legend X Fitness (★5 from 634 reviews); 2. Star Gym (★4.8 from 568 reviews); 3. Elite Gym and Fitness Exclusive (★4.7 from 626 reviews).
Each place is scored by its Google rating weighted by review volume (so a ★4.8 with thousands of reviews outranks a ★5.0 with a handful), from the 6 fitness gyms in Koh Samui tracked in the Booyah Index. No paid placement.
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