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Hat Thung Wua Laen Beach
The best reason to linger in Chumphon rather than rushing straight to Koh Tao. A 3-km stretch of wide white sand 20 km north of town with a small strip of guesthouses, beachfront seafood restaurants, and dive shops behind the sand. The beach faces east over the Gulf with beautiful sunrise views and calm, swimmable water from November to May. PADI dive operators here run day trips to Chumphon Pinnacle and the national park islands. The vibe is quiet, unhurried, and as close to off-the-beaten-path as you'll find on a Gulf coast beach with facilities.