Swimming conditions at Amari Koh Samui

Multiple recent reviews from 2025–2026 paint a consistently negative picture of swimming conditions at Amari Koh Samui's beach. Reviewers report shallow water that extends far offshore, particularly at low tide when it becomes only waist-deep even far out. Seaweed is a persistent problem in the water, and the beach substrate is pebbly rather than sandy. One reviewer from Australia described the water as "murky" and "mossy," making the beach "not swimmable at all." Another noted that swimming "is essentially not enjoyable." The shallow depth and seaweed presence are mentioned independently by multiple reviewers, suggesting these are reliable observations rather than isolated incidents. No positive claims about swimming safety or quality appear in the evidence, and no reviewers report good waves, safe currents, or comfortable water temperatures. The uniformity of negative sentiment across geographically diverse reviewers and a recent temporal clustering (all claims from May 2025 onwards) indicates a consistent, current problem rather than an anomaly.