Maenam Beach, Mae Nam: Address, Maenam Beach Reviews: /5. Mae Nam , Thailand. Mae Nam Beach is, from our prospective, the best beach on Koh Samui. 10 Apr To the north, we found Why Nam Beach (pictured above), a tiny cove with one set of bungalows, one vegetarian cafe, and a beach that would. Haad Wai Nam is a small rock fringed beach with idyllic white sand and beautiful clear green waters, great for swimming. There is one resort at present, who.