Phuket Pattaya Koh Samui Krabi Chiang Mai Koh Lanta Hua Hin Chiang Rai Bangkok Filter by Type Attractions Nature & Parks Adventure Thai Culture Beach Nightlife Family Holidays Fashion & Shopping Arts & culture Food & Wine Family Day Trips Filter by Type Free things to do Sightseeing The Best Things To See And Do In Koh Samui Famous for its more hedonistic formation and appearance, Hin Ta and Hin Yay, also known as Grandfather and Grandmother Rocks are one of those famous places that everyone who visits the island should see. Hin Ta Hin Yay - Grandfather and Grandmother Rocks Find things to See & Do in Pattaya Phuket Chiang Mai Koh Samui Krabi Koh Phangan Koh Chang Koh Lanta Hua Hin Chiang Rai