Ko Hong, Phang Nga

Ko Hong stands out among Phang Nga Bay’s countless islands for its remarkable lagoon – a perfectly circular emerald pool enclosed by towering limestone cliffs. This natural amphitheater creates one of Thailand’s most distinctive swimming and snorkeling environments, where crystal-clear waters remain protected from ocean currents. The island’s name, meaning “room” in Thai, perfectly captures the feeling of entering a private aquatic chamber carved by nature itself over millions of years.

Kayaking through the narrow entrance into the lagoon reveals walls draped in prehistoric-looking vegetation and twisted mangrove roots. Schools of tropical fish dart beneath your paddle as you glide across the mirror-like surface, while the sound of gentle lapping water echoes off the limestone walls. Rock climbing enthusiasts can scale the dramatic cliff faces, discovering hidden caves and viewpoints overlooking the Andaman Sea. The surrounding coral reefs offer excellent snorkeling opportunities, where parrotfish and angelfish navigate between vibrant coral formations. Walking the small beaches reveals tiny hermit crabs scuttling across pure white sand mixed with fragments of ancient coral.

Tranquility defines the Ko Hong experience, especially during quieter morning hours when mist still clings to the clifftops. The enclosed lagoon creates an almost cathedral-like atmosphere where conversations naturally drop to whispers, and the outside world feels completely removed. Even when tour groups arrive, the island’s multiple secluded corners and hidden coves provide peaceful retreats for those seeking solitude among this remarkable geological wonder.

Early morning visits between 8:00-10:00 AM offer the best experience before crowds arrive from Phuket and Krabi. Most visitors reach Ko Hong via longtail boat or speedboat tours from Ao Phang Nga pier, though private boats can be arranged from nearby resorts. Pack reef-safe sunscreen, water shoes for rocky areas, and waterproof bags for electronics. The island operates daily until 4:30 PM, giving you plenty of time to explore both the famous lagoon and surrounding snorkeling spots that make this destination truly special.